Brazilian journal of physical therapy · 2024
Translation, cross-cultural adaptation, and measurement properties of the prolapse and incontinence knowledge quiz (PIKQ-Br) for Brazilian women with urinary incontinence.
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da Silva Carla Coutinho, de Araújo Rodrigo Cappato, Amorim Danielly Alves, Mathias Ana Eliza Rios de Araújo, Pitangui Ana Carolina Rodarti
Аннотация
BACKGROUND: The Prolapse and Incontinence Knowledge Quiz (PIKQ) was developed to assess women's knowledge of pelvic organ prolapse (POP) and urinary incontinence (UI).
OBJECTIVE: To perform the translation, cross-cultural adaptation, and measurement properties of the PIKQ for Brazilian women with UI (PIKQ-Br).
METHODS: The measurement properties were tested for validity (content and face, structural, and hypotheses testing) and reliability (internal consistency, test-retest, and measurement error) in 130 women with UI from Recife, Brazil. Hypotheses testing for construct validity was assessed by Spearman's correlation coefficients. The standard error of measurement and the smallest detectable change were used to determine the measurement error. The structural validity was examined using a confirmatory factor analysis. Test-retest reliability and internal consistency were determined using the intraclass correlation coefficient (ICC) and Cronbach's alpha.
RESULTS: The structural validity was analyzed with a single factor and 12 questions, revealing the goodness-of-fit was inappropriate (TLI=0.60; RMSEA=0.07). The two factors and 10-question version presented adequate values and factor loading (>0.30), except questions 1, 7, and 8 in PIKQ-POP. Positive and moderate correlations for hypotheses testing were observed for PIKQ-UI-10 (rho=0.439). Positive and weak correlations were observed for PIKQ-POP-10 (rho=0.278). Cronbach's alpha coefficients for PIKQ-UI-10 were 0.718 and 0.710 for PIKQ-POP-10. Both scales showed excellent reliability (ICC>0.93). The PIKQ-UI-10 and PIKQ-POP-10 had SEM values of 0.24 and 0.31 and SDC of 0.66 and 0.85, respectively.
CONCLUSIONS: The PIKQ-Br with 10 questions and two-factor presented adequate measurement properties, and can be a useful instrument to assess women's knowledge about UI and POP.
OBJECTIVE: To perform the translation, cross-cultural adaptation, and measurement properties of the PIKQ for Brazilian women with UI (PIKQ-Br).
METHODS: The measurement properties were tested for validity (content and face, structural, and hypotheses testing) and reliability (internal consistency, test-retest, and measurement error) in 130 women with UI from Recife, Brazil. Hypotheses testing for construct validity was assessed by Spearman's correlation coefficients. The standard error of measurement and the smallest detectable change were used to determine the measurement error. The structural validity was examined using a confirmatory factor analysis. Test-retest reliability and internal consistency were determined using the intraclass correlation coefficient (ICC) and Cronbach's alpha.
RESULTS: The structural validity was analyzed with a single factor and 12 questions, revealing the goodness-of-fit was inappropriate (TLI=0.60; RMSEA=0.07). The two factors and 10-question version presented adequate values and factor loading (>0.30), except questions 1, 7, and 8 in PIKQ-POP. Positive and moderate correlations for hypotheses testing were observed for PIKQ-UI-10 (rho=0.439). Positive and weak correlations were observed for PIKQ-POP-10 (rho=0.278). Cronbach's alpha coefficients for PIKQ-UI-10 were 0.718 and 0.710 for PIKQ-POP-10. Both scales showed excellent reliability (ICC>0.93). The PIKQ-UI-10 and PIKQ-POP-10 had SEM values of 0.24 and 0.31 and SDC of 0.66 and 0.85, respectively.
CONCLUSIONS: The PIKQ-Br with 10 questions and two-factor presented adequate measurement properties, and can be a useful instrument to assess women's knowledge about UI and POP.