Lan Zhu1, Sijun Yu, Tao Xu, Xin Yang, Yongxian Lu, Bin Li, Jinghe Lang. 1. Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, People's Republic of China. zhu_julie@sina.com
Abstract
OBJECTIVE: The Pelvic Floor Impact Questionnaire Short Form (PFIQ-7) is an International Continence Society-recommended disease-specific questionnaire evaluating the impact of pelvic floor disorders on women's quality of life. The PFIQ-7 has not been validated in China, which limits its use. The objective of this research was to validate the Chinese-translated version of the PFIQ-7. METHODS: The PFIQ-7 was translated into Chinese; 134 women with pelvic floor disorder completed the PFIQ-7 and the 12-item Short Form Health Survey (SF-12) questionnaires. Reliability and validity were analyzed. The reliability of the PFIQ-7 was assessed for internal consistency and test-retest reliability. The face/content validity was assessed subjectively by an expert panel and/or focus group participants. The criterion validity was evaluated using the Spearman correlation with the SF-12. The construct validity was determined by factor analysis. RESULTS: The PFIQ-7 has a high internal consistency (Cronbach α was 0.801) and high test-retest reliability (the intraclass correlation coefficients were 0.862, P < 0.01). PFIQ-7 scores were negatively correlated with those of the SF-12 (P < 0.01). A factor analysis showed good construct validity. CONCLUSIONS: The Chinese version of the PFIQ-7 has high reliability and validity for the Chinese population. It is highly recommended for clinical treatment and research.
OBJECTIVE: The Pelvic Floor Impact Questionnaire Short Form (PFIQ-7) is an International Continence Society-recommended disease-specific questionnaire evaluating the impact of pelvic floor disorders on women's quality of life. The PFIQ-7 has not been validated in China, which limits its use. The objective of this research was to validate the Chinese-translated version of the PFIQ-7. METHODS: The PFIQ-7 was translated into Chinese; 134 women with pelvic floor disorder completed the PFIQ-7 and the 12-item Short Form Health Survey (SF-12) questionnaires. Reliability and validity were analyzed. The reliability of the PFIQ-7 was assessed for internal consistency and test-retest reliability. The face/content validity was assessed subjectively by an expert panel and/or focus group participants. The criterion validity was evaluated using the Spearman correlation with the SF-12. The construct validity was determined by factor analysis. RESULTS: The PFIQ-7 has a high internal consistency (Cronbach α was 0.801) and high test-retest reliability (the intraclass correlation coefficients were 0.862, P < 0.01). PFIQ-7 scores were negatively correlated with those of the SF-12 (P < 0.01). A factor analysis showed good construct validity. CONCLUSIONS: The Chinese version of the PFIQ-7 has high reliability and validity for the Chinese population. It is highly recommended for clinical treatment and research.