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Validity and reliability of a questionnaire for measuring child oral-health-related quality of life.

Journal of dental research

Dental Caries, Adolescent, Analysis of Variance, Attitude to Health, Child, Child Behavior, Cleft Lip, physiopathology, psychology, Cleft Palate, Discriminant Analysis, Emotions, Health Status, Humans, Malocclusion, Oral Health, Quality of Life, Questionnaires, Reproducibility of Results, Social Behavior, Statistics, Nonparametric

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      Oral-health-related quality of life measures that exist are designed for adults. This study aimed to develop and evaluate the CPQ(11-14), a self-report measure of the impact of oral and oro-facial conditions on 11- to 14-year-old children. An item pool was generated with the use of a literature review and interviews with health professionals, parents, and child patients. The 36 items rated the most frequent and bothersome by 83 children were selected for the CPQ(11-14). Validity testing involved a new sample of 123 children. Test-retest reliability was assessed in a subgroup of these children (n = 65). Mean CPQ(11-14) scores were highest for oro-facial (31.4), lower for orthodontic (24.3), and lowest for pedodontic (23.3) patients. There were significant associations between the CPQ(11-14) score and global ratings of oral health (p < 0.05) and overall well-being (p < 0.01). The Cronbach's alpha and intraclass correlation coefficient for the CPQ(11-14) were 0.91 and 0.90, respectively. These results suggest that the CPQ(11-14) is valid and reliable.

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