Abstract
To validate the six-item female sexual function index (FSFI-6) in middle-aged Brazilian women. Cross-sectional observational study, involving 737 (premenopausal n = 117, perimenopausal n = 249, postmenopausal n = 371) Brazilian sexually active women, aged between 40 and 55 years, not using hormonal contraceptive methods. The Brazilian FSFI-6 was developed from the translation and cultural adaptation of the Portuguese FSFI-6 version. The participants completed a general questionnaire, the FSFI-6, and the menopause rating scale (MRS). The validation was performed by AMOS 16.0 software (SPSS, Inc., Chicago, IL, USA) for a confirmatory factor analysis (CFA). The chi-square of degrees of freedom (χ2/df), the comparative fit index (CFI), the Tucker-Lewis index (TLI) and the root-mean-square error of approximation (RMSEA) were used as indices of goodness of fit. Cronbach α coefficient was used for internal consistency. The process of cultural adaptation has not altered the Brazilian FSFI-6, as compared with the original content. The CFA for the FSFI-6 score showed an acceptable fit (χ2/df = 3.434, CFI = 0.990, TLI = 0.980, RMSEA = 0.058, 90% confidence interval (90%CI) = 0.033-0.083, p ≤ 0.001) and a good reliability was established in FSFI-6 and MRS (Cronbach α = 0.840 and = 0.854, respectively). In addition, 53.5% of the sample had low sexual function. The FSFI-6 was translated and adapted to the Brazilian culture and is a consistent and reliable tool for female sexual dysfunction screening in Brazilian middle-aged women.
Highlights
Sexual function (SF) is an important component of the quality of life (QoL) of peri- and postmenopausal women.[1]
The confirmatory factor analysis (CFA) for the 6-item female sexual function index (FSFI-6) score showed an acceptable fit (χ2/df 1⁄4 3.434, comparative fit index (CFI) 1⁄4 0.990, TuckerLewis index (TLI) 1⁄4 0.980, root-mean-square error of approximation (RMSEA) 1⁄4 0.058, 90% confidence interval (90%CI) 1⁄4 0.033–0.083, p 0.001) and a good reliability was established in female sexual function index (FSFI)-6 and menopause rating scale (MRS) (Cronbach α 1⁄4 0.840 and 1⁄4 0.854, respectively)
The FSFI-6 CFA showed an acceptable fit (χ2/df 1⁄4 3.434, CFI 1⁄4 0.990, TLI 1⁄4 0.980, RMSEA 1⁄4 0.058, CI 90% 1⁄4 0.033–0.083, p 0.001), and good values were evidenced in terms of both factorial weights, as well as regarding the multiple squared correlations
Summary
Sexual function (SF) is an important component of the quality of life (QoL) of peri- and postmenopausal women.[1]. Physician-patient relationship, and lack of standardization of diagnosis are possibly determinants of this variation.[8]
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