Academic journal article Research Quarterly for Exercise and Sport

Examining Pregnant Women's Exercise Intention and Behavior: A Prospective Investigation of the Theory of Planned Behavior. (Sociocultural Aspects of Physical Activity)

Academic journal article Research Quarterly for Exercise and Sport

Examining Pregnant Women's Exercise Intention and Behavior: A Prospective Investigation of the Theory of Planned Behavior. (Sociocultural Aspects of Physical Activity)

Article excerpt

Pregnancy is an important time in women's lives that may place them at greater risk for decreased physical activity (USDHHS, 2000). For example, nearly 60% of women are sedentary during their pregnancy (Zhang & Savitz, 1996). Thus, to promote exercising during pregnancy, it is necessary to examine the psychosocial and cognitive determinants of women's exercise behavior. However, the literature examining exercise determinants during pregnancy is scant, and it is limited by small samples, mostly cross-sectional designs, and a lack of theoretical research (Koniak-Griffin, 1994; Walker et al., 1999). Therefore, the general objective of this study was to prospectively examine pregnant women's exercise intention and behavior from their second to their third trimester using the framework of the theory of planned behavior (TPB; Ajzen, 1991). Participants were 81 pregnant women (Mage = 29.93 years, SD = 4.52) who completed a mail questionnaire during their second trimester assessing the TPB constructs (i.e., attitude, subjective norm, perceived behavioral control [PBC], intention, and behavior). Three months later, participants were mailed another questionnaire assessing their exercise behavior. To examine the predictive utility of the TPB, two hierarchical regression analyses were conducted and the variables were entered according to the theoretical tenets of the TPB. …

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