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Cross-cultural adaptation and validation of Sinhalese version of the short-form of Child Perception Questionnaire 11-14 to determine oral health related quality of life of adolescents

Authors:

B. K. G. Thilakarathne ,

University of Peradeniya, Peradeniya, LK
About B. K. G.
Division of Community Dentistry, Department of Community Dental Health, Faculty of Dental Sciences
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L. Ekanayake

University of Peradeniya, Peradeniya, LK
About L.
Division of Community Dentistry, Department of Community Dental Health, Faculty of Dental Sciences
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Abstract

It is now well established that oral health cannot be assessed merely by clinical indicators but also complemented with subjective measures. This study aimed to validate the Sinhalese version of the Child Perception Questionnaire (CPQ11-14). The English version of the CPQ11-14 was translated to Sinhala and face and content validity were assessed. The Sinhala version of the CPQ11-14 was then administered to a sample of 150, fifteen-year-old school children from Kurunegala district. Discriminant validity was determined by comparing total CPQ scores with severity of dental caries, dental fluorosis and malocclusion status. Convergent validity was determined by assessing the correlations between global indicators of oral health and total and subscales of the CPQ. In order to check for test-retest reliability, the questionnaire was administered to the same group of students two weeks’ a part and Intra- class Correlation Coefficient (ICC) was assessed. Internal consistency was assessed using Cronbach’s alpha. There were significant correlations between the global indicators and total and subscales of CPQ11-14 thus ensuring convergent validity. The severity of dental caries, dental fluorosis or malocclusion was not significantly associated with the total CPQ scores and thus discriminant validity could not be proven. Cronbach’s alpha for the total scale was 0.8 and ranged from 0.4-0.7 for subscales. ICC for the total scale was 0.9 and ranged from 0.7 to 0.8 for the different subscales. The Sinhala translation of the short-form CPQ11-14 questionnaire showed adequate internal consistency, convergent validity and test-retest reliability. Therefore, it is a valid instrument to determine OHQOL in 15-year-old Sinhala speaking children.
How to Cite: Thilakarathne, B. K. G., & Ekanayake, L. (2021). Cross-cultural adaptation and validation of Sinhalese version of the short-form of Child Perception Questionnaire 11-14 to determine oral health related quality of life of adolescents. Ceylon Journal of Science, 50(2), 193–197. DOI: http://doi.org/10.4038/cjs.v50i2.7882
Published on 14 Jun 2021.
Peer Reviewed

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