Academic journal article Iranian Journal of Psychiatry

Psychometric Properties of the Sexual Interest and Desire Inventory-Female for Diagnosis of Hypoactive Sexual Desire Disorder: The Persian Version

Academic journal article Iranian Journal of Psychiatry

Psychometric Properties of the Sexual Interest and Desire Inventory-Female for Diagnosis of Hypoactive Sexual Desire Disorder: The Persian Version

Article excerpt

It is believed that low or decreased sexual desire that causes personal distress is the core symptom of hypoactive sexual desire disorder (HSDD) (1).

According to the American Psychiatric Association's Diagnostic and Statistical Manual IV-TR (DSM-IVTR), HSDD is defined as the recurrent or permanent decrease or lack of sexual desire and fantasy for conducting sexual activity which can cause interpersonal discomfort and problems (2). The prevalence of HSDD varies from 5 to 55%, depending on the sample population under evaluation, the instrument used for assessment and the diagnostic criteria applied (3, 4). In a big study on Brazilian women, the prevalence of HSDD was reported to be 9.5% (5). In a systematic review and meta-analysis study conducted in Iran, the prevalence of HSDD was estimated to be 35% in the general population (6).

Lack or decrease of sexual desire indicates a serious problem which brings major consequences on women's life quality, feeling of being healthy and interpersonal relationships. Women with HSDD may report little or no interest in having a sexual relationship, inability to respond to eroticism or feeling numb despite having a good relationship with their partners (7). Despite the negative effects that low desire may have on life quality of these women, many are reluctant to speak about their sexual issues with doctors, and many doctors do not feel comfortable answering sexual complaints (8). It is difficult to measure sexual desire because it has a multi-dimensional structure with biological, cognitive and emotional aspects (9). Furthermore, sexual desire and behavior are not completely related to each other, so it has been shown that women may take part in sexual activities without having desire for it, or may or may not participate in sexual activities for a reason not related to sexual desire (10). Introducing simple assessment tools encourages doctors to discuss sexual issues as a part of patients' normal encounter and helps doctors and patients to feel more comfortable discussing this issue . Although some tools have been developed to assess overall sexual function (female sexual function index (FSFI) (11), and changes in sexual function questionnaire- female (CSFQ -F) (12)), and specially low sexual desire (sexual desire inventory, sexual desire and arousal inventory, Halbert 's sexual desire index, and signs for scaling sexual desire) (13-16)), no assessment has been done on different aspects of this specific disorder, and no structured approach is available for the doctors to assess HSDD. Therefore, sexual interest and desire inventory-female has been developed by Clayton et al. (2006) as a clinicianadministered instrument to assess the intensity of HSDD and as a complete interview for a comprehensive understanding of sexual desire (17).

The aim of this study was to determine the psychometric properties of sexual interest and desire inventory-female, the Persian version, to be used for the Iranian population.

Materials and Method

This was a methodological study of psychometric properties of SIDI -F. This report describes the process and principles used in the translation and cultural adaptation of the SIDI -F to ensure the validity and reliability of the tool. In the summer of 2015, forty Iranian married women of reproductive age (15-49 yrs.) in the city of Sari with at least 6 months married life who were willing to participate in this assessment were selected through convenience sampling method. Those who were pregnant or in their first six- month of breastfeeding and those afflicted by premature menopause were excluded.

In the first and second assessments, 40 women of reproductive age (29.85±7.22) filled in the questionnaires completely. The education level of the participants ranged from having a primary school education to a university degree, and the response rate to the questionnaire was 100%. The SIDI-F questionnaire is a clinician-rated inventory, which contains 13 items (relationship-sexual, receptivity, initiation, desire- frequency, affection, desire satisfaction, desire-distress, thoughts-positive, erotica, arousal-frequency, arousal ease, arousal continuation and orgasm) plus five diagnostic modules. …

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