Psychometric properties of the Persian Version of Larson sexual satisfaction questionnaire in a sample of Iranian infertile couples

Background: Infertility is one of the most important crisis in the life of couples, which in addition to the economic, social and individual problems, may create psychological consequences. Decreasing in sexual satisfaction is one of the consequences of infertility that given the importance of this concept in the life of infertile couples. Thus, it is crucial to use valid and reliable instrument to measure the sexual satisfaction of this group of people. So, the study aimed to assess the Psychometric properties of the Persian version of LSSQ in Iranian infertile couples in 2013. Methods: In this methodological study, 150 Iranian infertile couples completed the 25 item Larson's sexual satisfaction questionnaire in Qazvin city. At first, the questionnaire was prepared in English. Then it was translated into Persian by two independent translators. Two Persian version of questionnaire was evaluated by researcher and unified the two translations and produced a single Persian translation of LSSQ. Two Persian-English translators were translated the questionnaire independently and single English version was obtained. Finally the English version of the questionnaire was adapted to the original one. Reliability was determined by the calculation of Cronbach's alpha coefficient. Exploratory and confirmatory factor analysis was done by SPSS-AMOS22. Results: Internal consistency of sexual satisfaction questions estimated with Cronbach's alpha (Above 0.7). The construct validity of the questionnaire was obtained using exploratory factor analysis that showed 4 factors (desire to have sexual relations, sexual attitudes, quality sex life, and sexual compatibility) with Eigen values of greater than one. Total four factors were extracted, 53.21% of the total variance explained by the sexual satisfaction questionnaire. Conclusion: The results of study showed that the Persian version of LSSQ has confirmed suitable validity and reliability among the Iranian infertile couples. The factor analysis determined that the LSSQ has a multi-dimensional structure.

psychometric, Sexual Satisfaction, Infertility, Iran