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Validation of the Chinese version of the Caries Impacts and Experiences Questionnaire for Children (CARIES‐QC)
Author(s) -
He Songlin,
Wang Jinhua
Publication year - 2020
Publication title -
international journal of paediatric dentistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.183
H-Index - 62
eISSN - 1365-263X
pISSN - 0960-7439
DOI - 10.1111/ipd.12576
Subject(s) - cronbach's alpha , intraclass correlation , medicine , reliability (semiconductor) , convergent validity , confirmatory factor analysis , validity , internal consistency , structural equation modeling , content validity , dentistry , clinical psychology , statistics , psychometrics , mathematics , power (physics) , physics , quantum mechanics
Background The Caries Impacts and Experiences Questionnaire for Children (CARIES‐QC) is a newly developed child‐centred caries‐specific quality of life measure. Aim We aimed to translate and adapt the CARIES‐QC into Chinese and to validate the Chinese version of the CARIES‐QC (CARIES‐QC/C). Design The CARIES‐QC/C was first produced according to international guidelines. Then, the CARIES‐QC/C was distributed to children with active dental caries to evaluate its psychometric properties. Reliability of the CARIES‐QC/C was investigated by internal consistency and test‐retest reliability. Cross‐cultural validity and convergent validity were performed to analyse the validity of the CARIES‐QC/C. Cross‐cultural validity was investigated using confirmatory factor analysis (CFA). Results A total of 206 children were recruited. Cronbach's alpha value of the CARIES‐QC/C was .942, and the intraclass correlation coefficient (ICC) of the measure was .830. The CARIES‐QC/C had an acceptable fit to the data in the one‐factor model as confirmed by the CFA. The model fit parameters were chi‐square/DF = 2.15, RMSEA = 0.07, GFI = 0.92, CFI = 0.98, and TLI = 0.96. For the convergent validity of the CARIES‐QC/C, the measure evidenced good relationship with the global question. Conclusion The CARIES‐QC/C displays good reliability and validity through strict performance tests. This measure may be used as an effective tool in future clinical trials.