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Cadernos de Saúde Pública

On-line version ISSN 1678-4464Print version ISSN 0102-311X


PACAGNELLA, Rodolfo de Carvalho; MARTINEZ, Edson Zangiacomi  and  VIEIRA, Elisabeth Meloni. Construct validity of a Portuguese version of the Female Sexual Function Index. Cad. Saúde Pública [online]. 2009, vol.25, n.11, pp.2333-2344. ISSN 1678-4464.

This study aimed to evaluate the construct validity of a version of the Female Sexual Function Index (FSFI). The version was inserted into a multidimensional questionnaire and applied face-to-face to 235 sterilized women. Non-response rate was 1.7%. The sample proved to be highly homogeneous, with low income and education. Cronbach's alpha of 0.948 indicated high internal consistency. Factor analysis showed that the instrument was measuring four factors: desire/arousal, lubrication, orgasm/satisfaction, and pain. This may reflect characteristics of the instrument itself, female sexual response, or even the sample's cultural peculiarities, which can affect understanding of the questions or concepts with which the instrument deals. This study emphasizes the need for further research in the general population to determine the psychometric properties of the FSFI, such as its factor composition and definition of appropriate cut-off points for the Brazilian population.

Keywords : Sexuality; Questionnaires; Women's Health.

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