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Responsiveness of the Child Perceptions Questionnaire11-14 for Cambodian children undergoing basic dental care
Bathsheba J Turton1, W Murray Thomson, Lyndie A Foster Page
1Sir John Walsh Research Institute, University of Otago, Dunedin, New Zealand.
Background:
Oral-Health-Related Quality of Life (OHRQoL) instruments are useful outcome measures in dental health services research; however, there are no reports of the use OHRQoL measures in evaluating the outcome of basic dental care in children anywhere.
Aim:
The aims of this study are to evaluate the responsiveness of the Khmer version of the Child Perceptions Questionnaire11-14 (CPQ11-14) and to describe changes in OHRQoL associated with the provision of basic dental care.
Design:
A pre-test/post-test design, with a clinical convenience sample of children aged from 8 to 14 years of age who received basic dental care from a local nongovernmental organisation (NGO).
Results:
Of the 140 children in the baseline sample, 116 (82.9%) were followed up. The mean change in CPQ11-14 overall score for those with caries was 1.7, representing a small improvement in OHRQoL. There was a moderate (one in three) statistically significant reduction in the prevalence of impacts across the whole sample (P < 0.001; McNemar test), and one in five improved by the minimally important difference (MID) of five-scale points.
Conclusions:
The Khmer version of the CPQ11-14 appears to be a valid and responsive measure for assessing treatment-associated changes in OHRQoL in children with dental caries in Cambodia.
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