Meng-Ying Li1,2,3, Song-Lin He4,5,6, Jin-Hua Wang7,8,9. 1. College of Stomatology, Chongqing Medical University, No. 7 Shangqingsi Road, Chongqing, 400015, China. 2. Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China. 3. Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China. 4. College of Stomatology, Chongqing Medical University, No. 7 Shangqingsi Road, Chongqing, 400015, China. songlinhe@cqmu.edu.cn. 5. Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China. songlinhe@cqmu.edu.cn. 6. Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China. songlinhe@cqmu.edu.cn. 7. College of Stomatology, Chongqing Medical University, No. 7 Shangqingsi Road, Chongqing, 400015, China. 500190@hospital.cqmu.edu.cn. 8. Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China. 500190@hospital.cqmu.edu.cn. 9. Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China. 500190@hospital.cqmu.edu.cn.
Abstract
OBJECTIVE: To translate and cross-culturally adapt the Malocclusion Impact Questionnaire (MIQ) into Chinese and to assess the psychometric properties of the Chinese version of the MIQ (MIQ/C) for use among adolescents with malocclusion in China. MATERIALS AND METHOD: First, the MIQ/C was developed according to international guidelines. Then, the MIQ/C was filled out by 536 adolescents between 10 and 16 years of age. This study used exploratory factor analysis (EFA), confirmatory factor analysis (CFA), convergent validity, internal consistency, and test-retest reliability to evaluate the psychometric properties of the MIQ/C. RESULTS: Following EFA, three domains were extracted, accounting for 65.950% of the total variance. The CFA results showed that the fit indices of each factor in the three-factor model all reached the standard (chi-square/DF = 2.591, GFI = 0.919, TLI = 0.926, CFI = 0.928, RMSEA = 0.076). The scale evidenced a good relationship with the two global questions, indicating good convergent validity. The Cronbach alpha value and the intraclass correlation coefficients (ICC) value of the MIQ/C were 0.929 and 0.893, respectively. CONCLUSION: The MIQ/C demonstrated good reliability and validity and can be further studied and applied in Chinese adolescents with malocclusion. CLINICAL RELEVANCE: The MIQ/C can be applied to assess the psychosocial impact of malocclusion among Chinese adolescents.
OBJECTIVE: To translate and cross-culturally adapt the Malocclusion Impact Questionnaire (MIQ) into Chinese and to assess the psychometric properties of the Chinese version of the MIQ (MIQ/C) for use among adolescents with malocclusion in China. MATERIALS AND METHOD: First, the MIQ/C was developed according to international guidelines. Then, the MIQ/C was filled out by 536 adolescents between 10 and 16 years of age. This study used exploratory factor analysis (EFA), confirmatory factor analysis (CFA), convergent validity, internal consistency, and test-retest reliability to evaluate the psychometric properties of the MIQ/C. RESULTS: Following EFA, three domains were extracted, accounting for 65.950% of the total variance. The CFA results showed that the fit indices of each factor in the three-factor model all reached the standard (chi-square/DF = 2.591, GFI = 0.919, TLI = 0.926, CFI = 0.928, RMSEA = 0.076). The scale evidenced a good relationship with the two global questions, indicating good convergent validity. The Cronbach alpha value and the intraclass correlation coefficients (ICC) value of the MIQ/C were 0.929 and 0.893, respectively. CONCLUSION: The MIQ/C demonstrated good reliability and validity and can be further studied and applied in Chinese adolescents with malocclusion. CLINICAL RELEVANCE: The MIQ/C can be applied to assess the psychosocial impact of malocclusion among Chinese adolescents.
Authors: Jeannot Randrianarivony; Justin Jacques Ravelomanantsoa; Noeline Razanamihaja Journal: Health Qual Life Outcomes Date: 2020-02-24 Impact factor: 3.186