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Validation of the Child Perceptions Questionnaire (CPQ_11-14)

¹ Department of Oral Sciences, School of Dentistry, University of Otago, PO Box 647, Dunedin, New Zealand; and
² Community Dental Health Services Research Unit, Faculty of Dentistry, University of Toronto, 124 King Edward Street, Toronto, ON, Canada M5G 1G6;

^* corresponding author, mthomson{at}gandalf.otago.ac.nz

While the use of adult oral-health-related quality-of-life (OHRQoL) measures in supplementing clinical indicators has increased, that for children has lagged behind, because of the difficulties of developing and validating such measures for children. This study examined the construct validity of the Child Perceptions Questionnaire (CPQ_11-14) in a random sample of 12- and 13-year-old New Zealanders. It was hypothesized that children with more severe malocclusions or greater caries experience would have higher overall (and subscale domain) CPQ_11-14 scores. Children (N = 430) completed the CPQ_11-14 and were examined for malocclusion (Dental Aesthetic Index) and dental caries. There was a distinct gradient in mean CPQ_11-14 scores by malocclusion severity, but there were differences across the four subscales. Children in the worst 25% of the DMFS distribution had higher CPQ_11-14 scores overall and for each of the 4 subscales. The construct validity of the CPQ_11-14 appears to be acceptable.

KEY WORDS: child • oral health • quality of life • validity • malocclusion • dental caries

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