Ethnic Inequality in Guatemalan Women's Use of Modern Reproductive Health Care

Article excerpt

CONTEXT: Guatemala has some of the poorest reproductive health indices and largest disparities in health in Latin America, particularly between indigenous and Iadina women. To reduce these disparities, it is necessary to under stand how indigenous women's disadvantages in linguistic, socioeconomic or residential characteristics relate to their underutilization of reproductive health services.

METHODS: Logistic regression analyses of a nationally representative sample of women aged 15-49 from the 2008-2009 National Survey of Maternal and Infant Health were used to estimate ethnic disparities in women's use of institutional prenatal care and delivery, and in met demand for modern contraceptives. Using predicted probabilities, we estimated the extent to which these disparities were attributable to a language barrier among indigenous women and to their disadvantage in selected socioeconomic and residential characteristics.

RESULTS: The ethnic difference in use of institutional prenatal care was small; however, institutional delivery was far less common among indigenous women than among Iadina women (36% vs. 73%), as was met need for modern contraceptives (49% vs. 72%). Not speaking Spanish accounted for the largest portion of these ethnic differentials. Indigenous women's poor education and rural residence made up smaller portions of the ethnic differential in modern contraceptive use than did their economic disadvantage.

CONCLUSION: The large proportion of indigenous women who use institutional prenatal care suggests that further integrating the three services may increase their use of institutional delivery and modern contraceptives. Adding speakers of local Mayan languages to the staff of health facilities could also help increase use.

International Perspectives on Sexual and Reproductive Health, 2012,38(2)99-108, doi:10.1363/3809912

Guatemala lags behind most Latin American countries that have undergone demographic and epidemiological transitions in fertility and maternal and child mortality) Guatemala also has one of the highest levels of health inequality in Latin America: (2) Studies have consistently shown that indigenous women use reproductive health care services less frequently than "Iadinas," Spanish-speaking women of mixed Spanish and indigenous heritage. (3-6)

Although some suggest that indigenous women's socioeconomic and residential disadvantages are the most important factors in their underutilization of modern health care services, (3) others maintain that neither of these factors fully explains the ethnic disparity in women's use of pregnancy-related services (4) or contraceptives. (5), (6)According to qualitative research, indigenous people in Guatemala face discrimination at health care facilities that are staffed by predominantly ladino personnel; they distrust and avoid modern health care services; and they prefer traditional alternatives to institutional prenatal care and delivery. (7)

In this study, we used nationally representative data from Guatemala's most recent reproductive health survey, conducted in 2008-2009, to estimate the magnitude of ethnic inequality in the use of institutional prenatal care and delivery services, and in met demand for modern contraceptives among Guatemalan women. We also estimated the extent to which this inequality was attributable to: a language barrier; differences in education level, in household wealth or in residential characteristics; and unknown factors (residuals).

Reproductive Health Indicators and Disparities

A cross-national comparison of health indicators among Central America's four countries highlighted the poor reproductive, maternal and child health indicators in Guatemala. (1) Although the country's total fertility rate (TFR)--the number of lifetime births a woman would be expected to have at current age-specific rates--declined from 5.6 in 1987 to 4.4 in 2002, the IFR and wealth-related disparities in total fertility continued to be among the largest in Latin America. Similarly, Guatemala's annual mortality rate among infants (30 per 1,000 live births) and among children younger than five (42 per 1,000 live births), as well as the wealth-related differentials in these rates, continued to be the highest in Central America. Differences in health indicators by wealth overlap with differences by ethnicity, because indigenous people are overrepresented in the lowest socioeconomic stratum in Guatemala. Ethnic differences in these indices were large in the 2008-2009 survey: The TFR was 4.5 among indigenous women and 3.1 among Iadina women, and the mortality rate among children younger than five was 51 per 1,000 live births for indigenous women and 33 per 1,000 for Latina women. (8)

One important factor in the poor health status of Guatemala's mothers and children, particularly in the indigenous population, has been the low level of public spending on health care. (2) In 2008, the Guatemalan government's estimated per capita expenditure on health care was the equivalent of US$97; the total expenditure on health constituted only 28% of all government expenditures. Both figures were lower than those in any other Latin American or Caribbean country for which data were available (except for those in Haiti). (9) The government's low prioritization of maternal health care during the past several decades has had a particularly adverse affect on indigenous women, who are disproportionately poor and live primarily in rural areas. Whereas the women in Guatemala's middle and upper classes, most of whom are Iadina, are able to receive reproductive services at expensive private clinics and hospitals (which are generally located in cities), indigenous women tend to use government-run health facilities whose services are free or heavily subsidized if they use modern health care services at all.

In addition, indigenous people, who generally speak a local Mayan language as their mother tongue, may face language barriers at health care facilities, which are often st ailed solely by ladino health practitioners who speak only Spanish, even when serving indigenous communities. (10-12) Educational disadvantage among indigenous women (13) may also contribute to their lower level of health care utilization, because educational attainment is associated with patients' knowledge of biomedical approaches to reproduction and with their ability to communicate about their health concerns with medical personnel. (14)

DATA AND METHODS

In this study, we analyzed data from the 2008-2009 National Survey of Maternal and Infant Health (Encuesta Nacional dc Salud Materno Infantil-ENSMI). (8) The 20082009 ENSMI collected data from a nationally representative sample of 16,819 women aged 15-49. The survey used a stratified, multistage cluster sample design derived from the census tracts created for the 2002 census. The final sample consisted of 733 census tracts. The cluster design permitted the construction of community-level variables for the present study. Thirty households were randomly selected from each census tract, and one woman of reproductive age was randomly selected from each household. The household response rate was 94%, and the individual response rate was 95%. (8) Throughout the analysis, we used sampling weights to adjust for unequal probabilities of selection of households and women.

Variables

* Dependent variables. The dependent variables were recent use of institutional prenatal care and delivery, and current use of a modern contraceptive method. For both institutional prenatal care and delivery, the unit of analysis was pregnancy or delivery, and the analytic sample consisted of those that had resulted in live births during the five years prior to the interview. We defined use of institutional prenatal care as having visited a health care facility-including public, private and nongovernmental hospitals, clinics, and health centers and posts-at least once during a pregnancy ending in a live birth. We defined use of institutional delivery services as having given birth in one of these health care facilities.

For modern contraceptive use, the unit of analysis was a woman. To capture met demand for contraceptives, the analytic sample was restricted to nonpregnant but fecund women who reported having had sexual intercourse in the previous 30 days and not wanting to have a child in the next 11 months, regardless of marital status. We defined current modern contraceptive use as having used one of the following methods in the 30 days before the interview: the pill, injectable, implant, condom, spermicide, IUD, and male or female sterilization.

* Independent variables. Our primary independent variable was ethnicity (indigenous or Iadina), which we determined by women's responses to the question, "Do you consider yourself indigenous, Iadina, or of other ethnicity?" and their self-reported native language. We classified women who identified themselves as indigenous or reported a Mayan language as their native tongue, regardless of self-identified ethnicity, as indigenous. We categorized women who identified themselves as Iadina and whose native tongue was not a Mayan language as Iadina. We excluded from our analysis women who did not identify their ethnicity or who identified an ethnicity other than indigenous or Iadina, unless they reported a Mayan language as their native tongue.

We selected four characteristics as determinants of modern health care utilization. The first was Spanish language fluency: We determined whether indigenous women spoke Spanish fluently, according to the language that they reported as their native tongue or spoke habitually at home. If one of these languages was reported to be Spanish, then we classified them as Spanish speakers. The second was years of school, which we categorized as: no school (0 years), incomplete primary (1-5 years), complete primary (6 years), incomplete secondary (7-11 years), and complete secondary and higher (12 or more years). The third characteristic, household wealth, was divided into quintiles of a weighted score that reflected possession of selected household goods (such as cars and washing machines) and housing materials (roof, walls and floors) to portray long-term accumulation of wealth. Weights were derived from a principal components analysis. (15)

Finally, to capture geographic obstacles to health care utilization, we used two community-level variables: area of residence and degree of urbanization. Area of residence had three categories, including the county of Guatemala, which contains the national capital city, other urban area and rural area. Degree of urbanization was constructed as tertiles, according to the percentage of women's households that had electricity.

Analytic Strategy

We conducted our analysis in three steps. First, we assessed the distribution of the characteristics described above among Mina and indigenous women to explore the proportion of indigenous women with a linguistic, socioeconomic or residential disadvantage. Then, we evaluated bivariate associations between each of these characteristics and each of the three reproductive health services separately for indigenous and Iadina women.

In the second step, we constructed six logistic regression models. The first five models are designed to assess the degree to which ethnic differences in women's use of the three reproductive health services could be accounted for by ethnic differences in the distribution of each characteristic. The base model (model 1) consisted of the dichotomous indicator of ethnicity and control variables. In models 2-5, we added the four selected characteristics to the base model one at a time. Thus, we added Spanish language fluency to model 2; years of school to model 3; household wealth to model 4; and the two residential variables to model 5. The final model (model 6) included all the variables to assess the residual effect of being indigenous on women's likelihood of using each of the three health care services, and the relative importance of each characteristic as a determinant of service use. In addition, we tested the significance of interactions between ethnicity and each of the characteristics to determine whether it differentially affected health care utilization by ethnicity; however, because we found few of the interactions to be significant, we did not include them in our final models.

In the third and final step, we used the coefficient estimates obtained in model 6 to calculate predicted probabilities of service use and decomposed the ethnic differentials into the four characteristics and the residual that these characteristics cannot explain. We calculated the predicted probability that indigenous women would use each service by applying the weighted means for each of the characteristics among the indigenous women in our sample. Here, other control variables were set to their respective weighted means for the entire sample. Each value was sequentially replaced by the weighted mean for each of the variables of the Iadina sample to calculate the predicted probability that indigenous women would have used the service if they had possessed the characteristic that was typical of Iadina women. The residual represents the coefficient estimate of being indigenous in model 6; it consists of unknown characteristics associated with indigenous that cannot be explained by the variables included in the model.

Analyses controlled for mother's age at delivery (for pregnancy-related care only), current age (contraceptive use only), (16), (17) parity (18) and current marital status.

RESULTS

Descriptive Results

Indigenous women generally had less education and less household wealth than Iadina women, and larger proportions of indigenous women than Iadina women lived in rural areas and communities where a low percentage of households had electricity.

Of pregnancies and deliveries among indigenous women, 41% occurred among those who reported having had no education, compared with 15% among their Iadina counterparts (Table 1, page 100). Forty-two percent of pregnancies and deliveries among indigenous women occurred among those in the lowest household wealth quintile, compared with 14% among Iadina women; 70% of pregnanacies and deliveries among indigenous women occurred among those who lived in rural areas, compared with 47% among Iadina women. Finally, among indigenous women, 56% of pregnancies and deliveries occurred among those living in communities with the lowest percentage of electricity-containing households, compared with 32% among Iadina women.

TABLE 1. Percentage distribution of pregnancies and
deliveries, by selected characteristics of mother,
according to ethnicity, National Survey of Maternal
and Infant Health, Guatemala, 2008-2009

Characteristic                    Indigenous      Iadina
                                   (N=6,390)    (N=4,577)

Spanish language fluency

Yes                                     47.0           na

No                                      53.0           na

Yrs.of school ***

0                                       40.5         14.5

1-5                                     38.0         32.9

6                                       11.2         17.1

7-11                                     7.0         20.4

[greater than or equal to] 12            3.2         15.2

Household wealth (quintile) ***

Lowest                                  41.7         13.9

Second                                  26.6         19.1

Third                                   18.0         21.4

Fourth                                   9.9         27.7

Highest                                  3.8         18.0

Area of residence ***

Rural                                   69.7         46.6

Urban                                   21.4         27.0

Capital                                  9.0         26.3

Households with electricity (tertile) ***

Lowest                                  55.8         31.2

Middle                                  30.2         42.2

Highest                                 14.0         26.6

Total                                  100.0        100.0

*** p<.001. Notes: N=pregnancies and deliveries that ended in
live births within 60 months prior to the survey. Pearson's
chi-square test was used to identify associations between
pregnancies and deliveries among indigenous and Iadina
mothers and selected characteristics.

Among sexually active women who did not intend to become pregnant in the next 11 months, 37% of indigenous women but only 12% of Iadina women reported having had no schooling (Table 2). Thirty-two percent of sexually active indigenous women were in the lowest household wealth quintile, compared with 8% of Iadina women. Of sexually active indigenous women, 64% lived in rural areas, compared with 38% of Iadina women. Finally, the proportion of sexually active indigenous women living in communities with the lowest percentage of electricity-containing households was nearly twice that among Iadina women (50% vs. 26%).

TABLE 2. Percentage distribution of sexually active
women, by selected characteristics, according to ethnicity,
National Survey of Maternal and Infant Health, Guatemala,
2008-2009

Characteristic                      Indigenous       Iadina
                                      N=3,633)    (N=3,896)

Spanish language fluency

Yes                                       54.1           na

No                                        45.9           na

Yrs.of school ***

0                                         37.4         12.0

1-5                                       37.3         30.1

6                                         12.3         17.3

7-11                                       8.4         19.9

[greater than or equal to] 12              4.6         20.7

Household wealth (quintile) ***

Lowest                                    32.0          7.9

Second                                    25.8         10.1

Third                                     20.4         19.9

Fourth                                    14.7         27.4

Highest                                    7.1         30.8

Area of residence ***

Rural                                     63.8         38.2

Urban                                     25.2         28.6

Capital                                   11.1         33.2

Households with electricity (tertile) ***

Lowest                                    49.6         25.8

Middle                                    33.2         46.4

Highest                                   17.3         27.8

Total                                    100.0         00.0

*** p<.001. Notes: N=nonpregnant but fecund women who had had
sexual intercourse within 30 days prior to the survey and who
did not want to have a child within 11 months. Pearson's chi-square
test was used to identify differences in the distribution of
indigenous and Iadina women by selected characteristics.

In both ethnic groups, the percentages of pregnancies and deliveries among women of lower socioeconomic status and in rural areas were higher than the percentages of sexually active women of higher socioeconomic status and in urban areas, probably because of higher fertility among women of lower socioeconomic status and in rural areas.

Bivariate Results

Whereas large majorities of both indigenous and Iadina women received institutional prenatal care (74% and 86%, respectively-Table 3), large ethnic disparities were observed for institutional delivery (36% vs. 73%) and met demand for modern contraceptives (49% vs. 72%).

TABLE 3. Percentage of pregnancies that received
institutional prenatal care, percentage of births
delivered in an institution and percentage of women
with a met demand for modern contraceptives, according
to selected characteristics, by ethnicity, National
Survey of Maternal and Infant Health, Guatemala,
2008-2009

Characteristic   Institutional          Institutional
                 prenatal care               delivery

                    Indigenous  Iadina     Indigenous  Iadina

All                       74.0    86.0           36.0    73.0

Spanish
language
fluency

Yes                       80.1      na           55.1      na

No                        68.5      na           19.0      na

Yrs. of school

0                         65.8    69.7           21.0    42.6

1-5                       74.9    79.4           35.4    61.1

6                         82.9    89.8           52.2    78.2

7-11                      90.8    95.2           76.4    91.9

[greater than             97.5    99.1           88.7    97.8
or equal to]
12

Household
wealth
(quintile)

Lowest                    67.0    70.5           17.0    33.2

Second                    73.7    79.6           32.6    55.3

Third                     77.9    82.6           50.5    73.8

Fourth                    89.2    92.3           78.6    89.6

Highest                   93.2    98.7           88.6    96.3

Area of
residence

Rural                     70.2    79.1           24.6    56.0

Urban                     80.1    91.9           53.4    85.3

Capital                   88.5    92.1           82.6    90.6

Households with
electricity
(tertile)

Lowest                    68.4    78.9           22.5    53.0

Middle                    80.4    89.2           48.8    81.1

Highest                   82.1    89.1           62.5    83.5

Characteristic   Met demand for
                         modern
                 contraceptives

                     Indigenous  Iadina

All                        48.9    72.2

Spanish
language
fluency

Yes                        59.6      na

No                         36.4      na

Yrs. of school

0                          40.4    58.1

1-5                        48.0    70.3

6                          60.6    72.5

7-11                       68.3    79.3

[greater than              59.1    75.9
or equal to]
12

Household
wealth
(quintile)

Lowest                     36.0    52.1

Second                     42.4    66.6

Third                      56.4    66.5

Fourth                     66.6    80.4

Highest                    73.4    76.3

Area of
residence

Rural                      42.0    67.0

Urban                      56.9    75.9

Capital                    70.6    74.9

Households with
electricity
(tertile)

Lowest                     42.1    66.5

Middle                     53.1    74.8

Highest                    60.6    73.0

Note: According to Pearson's chi-square test, percentages
of women within each ethnic group using each service
differ by characteristic: at p=.003 for Iadinas'
use of modern contraceptives by household electricity
status; at p<.001 for all others.

Both institutional prenatal care and institutional delivery were used for a greater proportion of pregnancies among indigenous women who spoke Spanish than among those who did not; in addition, among indigenous women who wanted no births in the next 11 months, a greater proportion of those who spoke Spanish than of those who did not used modern contraceptives. In both ethnic groups, the proportion of pregnancies for which women used institutional prenatal care and delivery and the proportion of women who used modern contraceptives rose with schooling, household wealth and access to electricity. Those proportions were lower in rural areas than in urban areas. For example, 66% of pregnancies among indigenous women with no schooling had institutional prenatal care, compared with 98% of pregnancies among indigenous women who had completed secondary school. In all socioeconomic status and residential categories, the proportion of pregnancies or women that benefited from these three services was lower among indigenous than Iadina women. For example, 21% of births to indigenous women with no schooling occurred in a medical facility, compared with 43% of those to unschooled Iadinas. The ethnic disparity in institutional delivery was particularly large among women in the lowest quintiles of household wealth, rural areas and communities with the most limited access to electricity.

Among women with no schooling, 40% of indigenous women used modern methods, compared with 58% of Iadinas; in addition, 36-42% of the indigenous women who were poorest, lived in rural areas or in communities with the least access to electricity used modern methods, compared with 52-67% of their Iadina counterparts.

Multivariate Results

Finally, we used a series of logistic regression models to identify associations between service use and selected characteristics among indigenous and Iadina women. For institutional prenatal care, comparison between model 1 and models 2-5 indicates that the reduction of the coefficient for ethnicity was the greatest in models 3 and 4 (from -0.66 to -0.34 and to -0.33, respectively-Table 4). Fully adjusted results (model 6) show that education and household wealth were associated with the Likelihood of using institutional prenatal care services but Spanish language fluency and residential variables were not. The coefficient for ethnicity remains negative, but it is no longer significant in this final model.

TABLE 4. Coefficients from logistic regression
models identifying associations between women's
selected characteristics and the likelihood of
their pregnancy receiving institutional prenatal care

Variable        Model 1  Model 2  Model 3  Model 4  Model 5   Model 6

Indigenous        -0.66    -0.37    -0.34    -0.33    -0.45     -0.13
                    ***      ***      ***       **      ***

Maternal age at delivery

15-19             -0.63     0.60    -0.50    -O.40    -0.47  -0.38 **
                    ***      ***      ***      ***      ***

20-29 (ref)          na       na       na       na       na        na

[greater than     -0.12    -0.10    -0.12    -0.05    -0.08     -0.07
or equal to]
30

Parity

1                  1.64     1.57     1.05     1.20     1.42      0.97
                    ***      ***      ***      ***      ***       ***

2-3                0.75     0.68     0.40     0.46     0.58      0.32
                    ***      ***      ***      ***      ***       ***

[greater than        na       na       na       na       na        na
or equal to] 4
(ref)

Marital status

Married (ref)        na       na       na       na       na        na

Consensual        -0.44     0.46    -0.35    -0.36    -0.42     -0.36
union               ***      ***      ***      ***      ***       ***

Formal union    -0.41 *    -0.45    -0.44  -0.42 *    -0.49     -0.48
                             ***      ***                **        **

Never in          -0.81     0.88    -0.77    -0.71    -0.83     -0.77
union               ***      ***      ***       **       **        **

Spanish              na     0.33       na       na       na      0.20
language                     ***
fluency

Yrs. of school

0                    na       na    -3.05       na       na     -2.33
                                      ***                         ***

1-5                  na       na    -2.68       na       na     -2.07
                                      ***                         ***

6                    na       na    -2.15       na       na     -1.70
                                      ***                         ***

7-11                 na       na    -1.39       na       na     -1.16
                                      ***                         ***

[greater than        na       na       na       na       na        na
or equal to]
12(ref)

Household wealth (quintile)

Lowest               na       na       na    -2.33       na     -0.91
                                               ***                 **

Second               na       na       na    -2.04       na  -0.34 **
                                               ***

Third                na       na       na    -1.90       na     -0.96
                                               ***                 **

Fourth               na       na       na    -1.10       na     -0.51
                                               ***

Highest (ref)        na       na       na       na       na        na

Area of residence

Rural                na       na       na       na    -0.78     -0.31
                                                        ***

Urban                na       na       na       na    -0.31     -0.12

Capital (ref)        na       na       na       na       na        na

Households with electricity (tertile)

Lowest               na       na       na       na    -O.40     -0.15
                                                         **

Middle               na       na       na       na     0.05      0.16

Highest (ref)        na       na       na       na       na        na

Constant           1.63     1.13     4.14     3.38     2.31      4.38
                    ***      ***      ***      ***      ***       ***

* p<.05. ** p<.01. *** p<.001 Notes: N=10,967 pregnancies.
na=not applicable; variable was not included in the model.

For institutional delivery (Table 5, page 104) the largest reductions in the coefficient for ethnicity were between model 1 and models 2 and 4 (from -1.49 in model 1 to -0.75 in model 2 (with the addition of speaking Spanish) and to -0.96 in model 4 (with the addition of household wealth). According to the final model, the probability of institutional delivery is associated with speaking Spanish, education, household wealth and area of residence.

TABLE 5. Coefficients from logistic regression models
identifying associations between women's selected
characteristics and the likelihood of their delivery
taking place in an institution

Variable        Model 1  Model 2  Model 3  Model 4  Model 5  Model6

Indigenous        -1.49    -0.75     1.12    -0.96    -1.17   -0.48
                    ***      ***      ***      ***      ***     ***

Maternal age at delivery

15-19              1.02    -0.97     0.86    -0.66    -0.74   -0.57
                    ***      ***      ***      ***      ***     ***

20-29 (ref)          na       na       na       na       na      na

[greater than      0.49    -0.47     0.50    -0.39    -0.47   -0.42
or equal to]        ***      ***      ***      ***      ***     ***
30


Parity

1                  2.06     2.00     1.28     1.33     1.75    1.15
                    ***      ***      ***      ***      ***     ***

2-3                1.34     1.23     0.87     0.85     1.09    0.69
                    ***      ***      ***      ***      ***     ***

[greater than        na       na       na       na       na      na
or equal to] 4
(ref)

Marital status

Married (ref)        na       na       na       na       na      na

Consensual        -0.12    -0.15     0.03     0.11    -0.04    0.08
union

Formal union       0.23     0.15     0.26     0.27     0.11    0.15

Never in          -0.05    -0.24     0.05     0.15    -0.03    0.01
union

Spanish              na     1.57       na       na       na    0.87
language                     ***                                ***
fluency

Yrs. of school

0                    na       na     3.19       na       na   -1.76
                                      ***                       ***

1-5                  na       na     2.57       na       na   -1.51
                                      ***                       ***

6                    na       na     1.96       na       na   -1.39
                                      ***                       ***

7-11                 na       na     0.96       na       na   -0.77
                                      ***                       ***

[greater than        na       na       na       na       na      na
or equal to]
12 (ref)

Household wealth (quintile)

Lowest               na       na       na    -3.41       na   -1.41
                                               ***              ***

Second               na       na       na    -2.61       na   -1.08
                                               ***              ***

Third                na       na       na    -1.92       na   -0.83
                                               ***              ***

Fourth               na       na       na    -0.78       na   -0.21
                                               ***

Highest (ref)        na       na       na       na       na      na

Area of residence

Rural                na       na       na       na    -1.90   -1.18
                                                        ***     ***

Urban                na       na       na       na    -1.00   -0.75
                                                        ***     ***

Capital (ref)        na       na       na       na       na      na

Households with electricity (tertile)

Lowest               na       na       na       na    -1.14   -0.55
                                                        ***     ***

Middle               na       na       na       na    -0.24   -0.04

Highest (ref)        na       na       na       na       na      na

Constant           0.52     0.99     2.93     2.53     2.45    1.08
                    ***      ***      ***      ***      ***     ***

* p<.05. ** p<.01. *** p<.001. Notes: N=10,967
deliveries. na=not applicable; variable was not
included in the model.

For met demand for modern contraception (Table 6, page 105), the largest reductions in the coefficient for ethnicity were between model 1 and models 2 and 4 (from -0.96 to -0.56, with the addition of Spanish language fluency, and from -0.96 to -0.63 in model 4, with the addition of household wealth). These results indicate that a language barrier and poverty were the two factors most strongly associated with indigenous women being less likely to use these services. In model 6, only Spanish language fluency and household wealth remained associated with met demand for modern contraceptives.

TABLE 6. Coefficients from logistic regression models identifying
associations between women's selected characteristics and
the likelihood of their having a met demand for modern contraceptives

Variable           Model  Model   Model   Model  Model   Model
                       1      2       3       4      5       6

Indigenous         -0.96  -0.56   -0.74   -0.63  -0.79   -0.41
                     ***   [TM]     ***     ***    ***     ***

Maternal age at delivery

15-19               -032  -0.27   -0.24     005  -0.16   -0.02

20-29 (ref)           na     na      na      na     na      na

[greater than or   -0.08  -0,02   -0.04    0.15   0.02    0.13
equal to] 30

Parity

0                         -1.41    -156   -1.90  -1.60   -1.94
                            ***     ***     ***    ***     ***

1                   0.17   0.08   -0.25   -0.32  -0.05   -0.39
                                              *             **

2-3                  039    030    0.11    0.05   0.22   -0.02
                     ***    ***                     **

[greater than or      na     na      na      na     na      na
equal to] 4(ref)

Marital status        na     na      na      na     na      na

Married (ref)         na     na      na      na     na      na

Consensual union    0.09   0.08  0.17 *  0.19 *   0.12  0.18 *

Formal union        0.53   0.47    0.58     OSS   0.45    0.52

Never in union      1.21   1.09    1.17    1.13   1.12    1.06
                     ***    ***     ***     ***    ***     ***

Spanish               na    069      na      na     na     031
languagefluency             ***                            ***

Yrs. of school

0                     na     na   -0.95      na     na    -030
                                    ***

1-5                   na     na   -0.52      na     na   -0.11
                                    ***

6                     na     na   -0.16      na     na    0.04

7-11                  na     na    0.24      na     na    0.23

[greater than or      na     na      na      na     na      na
equal to] 12 (ref
J

Household wealth (quintile)

Lowest                na     na      na    -133     na   -0.85
                                            ***            ***

Second                na     na      na   -0.90     na   -0.59
                                            ***            ***

Third                 na     na      na   -0.57     na  -037 *
                                            ***

Fourth                na     na      na    0.05     na    0.10

Highest (ref)         na     na      na      na     na      na

Area of residence

Rural                 na     na      na      na  -0.61   -0.16
                                                   ***

Urban                 na     na      na      na  -0.20   -0.04

Capital (ref)         na     na      na      na     na      na

Households with electricity (tertile)

Lowest                na     na      na      na   -033    0.08
                                                   ***

Middle                na     na      na      na  -0.04    0.06

Highest (ref)         na     na      na      na     na      na

Constant            0.80  -0.06    1.25     128   1.28    0.74
                     ***            ***     ***    ***     ***

* p<.05. ** p<.Ol. *** p<.001, Notes: N=7529 women. na=not
applicable; variable was not Included in the model.

In the final models for institutional delivery and met demand for contraception, ethnicity remained associated with use of services, suggesting that ethnic inequality is not explained entirely by linguistic, socioeconomic and residential differences between indigenous and Iadina women.

Finally, to highlight ethnic inequalities in the use of these reproductive health care services, we decomposed them into the selected characteristics and the residual, using predicted probabilities (Figure 1, page 106). We calculated two predicted probabilities for each service: the first corresponding to a typical non-Spanish-speaking indigenous woman and the second corresponding to a typical Iadina woman. "Typical" means that she possessed the weighted mean values for years of school, household wealth and residential characteristics in the sample for her ethnic group. We decomposed the differences between indigenous and Iadina women into five areas: Spanish language fluency, years of school, household wealth, rural residence and the residual. For example, if an indigenous woman speaks Spanish, but otherwise possesses characteristics that are typical to other indigenous women, then her predicted probability is the sum of the areas corresponding to "indigenous" and "Spanish language fluency." If in addition to speaking Spanish, an indigenous woman has the same average years of school as the sample of Iadinas, then her predicted probability is the sum of the areas corresponding to "indigenous," "Spanish language fluency" and "years of school." Even if an indigenous woman speaks Spanish and has the mean values for all selected characteristics in the sample of Iadina women, her probability of use does not equal that of a typical Iadina woman, and the difference is represented by the area labeled "residual."

[FIGURE 1 OMITTED]

As discussed previously, ethnic disparity was greatest for institutional delivery, followed by met demand for modern contraceptives and institutional prenatal care. For institutional delivery and met demand for modern contraceptives, lack of Spanish fluency made up the largest portion of the ethnic difference. Whereas three remaining factors--years of school, household wealth and rural residence--and the residual equally accounted for the ethnic disparity in the use of institutional delivery, ethnic differences in education and rural residence made substantially smaller contributions than other characteristics and the residual toward indigenous women's lower likelihood of having a met demand for modern contraceptives.

DISCUSSION AND CONCLUSION

The results of this study suggest that although the proportion of indigenous women who use institutional prenatal care has grown in recent years, (4) the proportions who use institutional delivery services and modern contraceptives are still far lower than the proportions among Iadinas. Our results also suggest that the language barrier for women who do not speak Spanish is the most important obstacle in indigenous women's use of these services. Compared with other characteristics contributing to the ethnic differential in met demand for modern contraceptives, rural residence and education are less important. That rural residence is not a barrier to indigenous women's modern contraceptive use is consistent with previous findings that Guatemalans' contraceptive access does not differ significantly by ethnicity (5) ecause of decades-long family-planning programs and mass media messaging that have targeted the rural Mayan population. (6)

However, our multivariate results also suggest that a statistically significant portion of ethnic differences in the use of institutional delivery services and met demand for modern contraceptives cannot be explained by a language barrier or ethnic differences in socioeconomic status and rural residence. In qualitative studies, social and cultural contexts are important factors in the persistent differences between indigenous and ladino Guatemalan women's use of modern medical services. Traditional midwifery and modern pregnancy-related care are often seen as complementary in Guatemala: (11), (19) As a result of the government's efforts to integrate traditional midwives into the formal health care system, (12) many indigenous women who see traditional midwives also receive institutional prenatal care, often on their midwives' referral. Approximately 40% of pregnancies among indigenous women who received institutional prenatal care also received care from a traditional midwife.

However, childbearing is highly ritualized in indigenous communities, where traditional midwives often assume symbolic and mystical roles and provide not only physical but also social and spiritual care. (20), (21) Furthermore, indigenous women continue to prefer traditional midwives for assistance at delivery. (12), (22-23) Unfortunately, even trained midwives often lack knowledge of basic aseptic techniques, fail to recognize danger signs quickly and are not prepared to handle delivery complications. These shortcomings are considered contributing factors to the relatively high maternal and infant morbidity and mortality in rural and indigenous areas of Guatemala. (21)

The mystical meaning attached to women's reproduction also contradicts the idea that fertility can be calculated or controlled. Rather than considering pregnancy and childbearing to be health concerns or biomedical issues, indigenous people tend to think that fertility is predetermined by God (10) and associate contraceptive use with "killing." (24) In an auxiliary analysis, 13% of indigenous women, compared with 4% of Iadinas, considered the ideal number of children to be "as many as God wants."

The tendency of indigenous Guatemalan women to avoid modern medical care has been reinforced by ladinos' ongoing discrimination against indigenous people. Such discrimination was manifested in the often brutal treatment that indigenous people received at the hands of government troops, who annihilated 440 indigenous villages during the 30-year Guatemalan civil war from 1960 to 1996. The disproportionately large number of indigenous casualties reflects deep-rooted ethnic discrimination in Guatemala. Although the civil war ended in 1996, indigenous people's ongoing distrust of the ladino government may make them hesitant to seek health care services at government-run facilities, whose personnel are predominantly ladino. (25), (26) Indigenous people are particularly suspicious of government-run family planning programs, which many perceive as part of a ladino "plot" to diminish the indigenous population. (24)

Our study has at least two important implications. First, our finding that a large portion of ethnic differences in the use of institutional delivery services and modern contraceptives was attributable to indigenous women not speaking Spanish suggests that increasing the number of health care personnel who speak the local Mayan language may raise the use of institutional health care services among indigenous people. Improved communication should facilitate the provision of unbiased information about the benefits of using modern care, including treatment for adverse consequences of pregnancy and delivery complications, and the benefits of child spacing. (27)

Second, the relatively large proportion of indigenous women who use institutional prenatal care suggests that their use of institutional delivery and family planning services could be increased by further integrating the three services. Mothers who use modern, pregnancy-related health care services are more likely to use modern contraceptives than those who do not; (28-31) moreover, these services and family planning programs are often integrated within a single institution to assist clients' use of all services and improve the logistic and financial efficiency of service provision.3233 In its effort to allocate limited health care resources to those who need them most, the Guatemalan Ministry of Health depends on traditional midwives to refer women with obstetric risks to health facilities that provide emergency obstetric and neonatal care; this approach requires caution, however, because midwives may not be prepared to assess biomedical risks or work with the formal health care system to ensure the rapid resolution of such risks. (23) (31) Instead, using traditional midwives as a social resource may increase acceptance for referral among pregnant women. For example, Casa Materna, a maternity waiting home, provides an integrated health program that is run in partnership with the Ministry of Health, UNICEF and a local association of midwives in Huehuetenango, and includes prenatal, postnatal and infant health care services, family planning and well-woman health screening (Pap smears); its primary function is to care for and monitor at-risk women with advanced pregnancies, who then deliver at the government hospital located immediately adjacent to the home. (27) Employing traditional midwives as advocates has been key to their success in this referral system between facilities, as they play a central role in encouraging women to accept referrals to hospital-based services when necessary.

Finally, as in analyses from other Latin American countries, (35), (36) an auxiliary analysis shows that one-third of deliveries that occurred in an institution in Guatemala were caesarean sections. The potential association between institutional deliveries and caesareans may exacerbate indigenous women's fear of biomedical services. (23) Thus, by effectively allocating limited health care resources, increasing institutional capacity for delivery assistance and reducing unnecessary caesarean sections (and their potentially adverse effects), Guatemala may help reduce the barrier between indigenous women and the reproductive health services they need. Future studies should continue monitoring the association between ethnic disparities and Guatemalan women's receipt of these services.

RESUMEN

Contexto: Guatemala tiene unos de los indices mas bajos de salud reproductiva y las inas grandes disparidades en salud en America Latina, particularmente entre las mujeres indigenas y las Iadinas. Para reducir estas disparidades, es necesario comprender la forma en que las desventajas linguisticas, socioecomitnicas y residenciales de las mujeres indigenas se relacionan con su subutilizacion de los servicios de salud reproductiva.

Meodos: Se usaron analisis dc mgresion logistica de ttna maestro rcpresentativa de mujeres en edades de 15-49 tornados de la Encuesta Nacional de Salad Materno lnfantil 2008-2009 para estitnar las disparidades etnicas en el uso que hacen las ntujeres de los servicios prenatalesy de parto, asi coma en la demanda satisfecha de anticonceptivos modernos. Con base en probabilidades prechihas, estinuttnos Itasca que panto dichas disparidades entre Inujeres indtgentts y latlinas fueran atribuibles a las barreras del lenguaje que enfren tan las indigenas, ast como a su desventaja sociocconOrnica y su residencia en areas rurales.

Resultados: La diferencia etnica en el uso de servicios institucionales de atencion prenatal fue pcqueria; sin embargo, una proporcion mucho menor de las mujeres indigenas que las mujeres Iadinas dieron a luz en una institucion de salud (36% vs. 73%); asimismo, fue importante la diferencia en la proporcion con necesidad de anticonceptivos modernos satisfecha (49% vs. 72%). El hecho de no hablar esplico la mayor parte de estos diferenciales etnicos. La deficiente escolaridad de las mujeres indigenas y su residencia en el medio rural explicaron una menor pane del diferencial etnico en el uso de anticon-ceptivos modernos comparado con su desventaja econontica.

Conclusion: El hecho de que una alta proporcion de mujeres indigenas usan los servicios de atencion prenatal sugiere que una mayor integraction de los tres servicios--prenatales, durante el parto y de la planificacion familiar--puede aumentar el nivel de partos que ocurren en instituciones de salud y el uso de los anticonceptivos modernos. Incorporar personas que hablen los lenguajes mayas locales al personal de las instituciones de salud podrfa tambien ayudar a aumentar el uso de estos servicios.

RESUME

Contexte: Le Guatemala presente certains des indices de sante reproductive les plus faibles et des plus grands ecarts de sante en Amerique latine, en particulier entre les femmes indigenes et Iadina. Pour combler l'ecart, il faut comprendre le rapport entre le desavantage linguistique, socioeconomique ou residentiel des lemma indigenes et leur sousutilisation des services de sante reproductive.

Methodes: Les inegalites ethniques de recours des femmes aux soins prenatals et d'accouchement institutionnels et de demande satisfaite de contraception moderne oft ete estimees par analyses de regression logistique d'un echantillon nationalement representatif de femmes agees de 15 a 49 ans extra it de l'enquete nationale 2008-2009 de sante maternelle et infantile. Par probabilites predites, nous avons estime la mesure dans laquelle ces inegalites sont attribuables a l'obstacle de la langue parmi les femmes indigenes et a leur desavantage au niveau de certaines caracteristiques socioeconomiques et residentielles.

Resultats: La difference ethnique de recours aux soins prenatals institutionnels est faible. L'accouchement en milieu institutionnel est cependant beaucoup plus rare parmi les femmes indigenes que parmi leurs homologues Iadina (36% par rapport a 73%), de meme que le besoin satisfait de contraception moderne (49% par rapport a 72%). Le fait de ne pas parler espagnol explique en grande panic ces differences ethniques. La faible scolarisation et la residence en milieu rural des femmes indigenes expliquent en moindre proportion la difference ethnique d 'usage de la contraception moderne, par rapport a leur desavantage economique.

Conclusion: La grande proportion des femmes indigenes qui ont recours aux soins prenatals institutionnels laisse entendre qu'une integration accrue des trois services pourrait accroitre leur recours a l'accouchement institutionnel et a la contraception moderne. L'ajout d'un personnel parlant les langues mayas locales dans les etablissements de sante pourrait aussi etre utile.

Acknowledgment:

The authors thank Edgar Sajquim for his helpful comments. The findings and conclusions in this study are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.

Author contact: kishida@cdc.gov

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Kanako Ishida is Oak Ridge Institute for Science and Education Fellow, Paul Shipp is a statistician, Rebid Tunrcios-Ruiz is a medical epidemiologist and Daniel B. Williams is a demographer, all in the Division of Reproductive Health, Centers for Disease Control and Prevention, Atlanta, GA, USA. Evelyn Espinoza is a lecturer at Universidad del Valle de Guatemala.

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