ArticleRevista da Associacao Medica Brasileira (1992)2026
Translation, cultural adaptation, and validation of the Genital Self-Image Scale (GSIS-20) for the Portuguese language.
Article in Revista da Associacao Medica Brasileira (1992), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveThe aim of this methodological study was to translate, culturally adapt, and validate the Genital Self-Image Scale (GSIS-20) into Brazilian Portuguese.
methodsThe cross-cultural adaptation followed a standardized five-step process: (1) initial translation into Portuguese by two independent bilingual translators; (2) synthesis of the translations; (3) back-translation into English by two independent native speakers; (4) expert committee review to ensure semantic, idiomatic, experiential, and conceptual equivalence; and (5) pre-test with 15 women to evaluate comprehension and cultural relevance. Subsequently, the psychometric properties of the adapted instrument were assessed in 148 women divided into three groups: nulliparous (n=53), primiparous without pelvic organ prolapse (n=52), and women with stage III or IV pelvic organ prolapse (n=43). The Genital Self-Image Scale (GSIS-20) was applied at three time points to assess internal consistency (Cronbach's alpha), test-retest, and interobserver reliability (intraclass correlation coefficient), and discriminant validity.
resultsAll subscales of the Genital Self-Image Scale (GSIS-20) showed statistically significant differences between groups. The instrument demonstrated excellent internal consistency (Cronbach's alpha=0.925) and reproducibility (intraclass correlation coefficient >0.75).
conclusionThe Genital Self-Image Scale (GSIS-20) was successfully translated and culturally adapted into Brazilian Portuguese, showing satisfactory psychometric properties for use in this population.
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