Development and Validation of the Couple Sexual Satisfaction Scale for HIV and Sexual Health Research

Sexual satisfaction is an important dimension of relationship quality with implications for sexual and reproductive health (SRH), and HIV prevention, care, and treatment. We developed and validated the Couple Sexual Satisfaction Scale (CSSS) with heterosexual couples in sub-Saharan Africa. Using data from qualitative interviews with 94 partnered women and men in Swaziland and Malawi, we generated a 22-item scale and administered it to 211 couples with at least one partner living with HIV in Malawi. We performed an exploratory factor analysis (EFA) to identify and confirmatory factor analysis (CFA) to test the factor structure. To assess validity, we tested for associations between the CSSS and relationship quality, consistent condom use, and intimate partner violence (IPV) using generalized estimating equations. The EFA yielded two factors, general sexual satisfaction (13-item CSSS-Gen subscale, e.g., "I am satisfied with the sweetness of sex in our relationship") and HIV-specific sexual satisfaction (4-item CSSS-HIV subscale, e.g., "My appetite for sex has gone down due to HIV"), accounting for 78% of the shared variance. The CFA supported the two-factor solution: chi(2)(118) = 203.60; CFI = 0.909; SRMR = 0.057; RMSEA = 0.058. Participants with higher CSSS-Gen scores reported higher coital frequency and relationship quality (intimacy, trust, unity, equality, relationship satisfaction, commitment, partner social support), and less consistent condom use, physical IPV, and emotional IPV. Participants with higher CSSS-HIV scores reported higher coital frequency and relationship quality (trust, partner support), and less consistent condom use, and sexual IPV. The CSSS demonstrated good psychometric properties and provides new opportunities to study sexual reproductive health and HIV-related health behaviors among couples in sub-Saharan Africa.