Tanja A Stamm, Maisa Omara, Sarah R Bakerc, Lyn Die Foster Page, William Murray Thomson, Philip E Benson, Tom Broomhead, Fatima Aguilar-Diaz, Loc Do, Barry J Gibson, Christian Hirsch, Zoe Marshman, Colman McGrath, Amirul Mohamed, Peter G Robinson, Jefferson Traebert, Bathsheba Turton, Thomas Salzberger, Katrin Bekes
OBJECTIVE: To be fit-for-purpose, oral health-related quality of life instruments must possess a range of psychometric properties which had not been fully examined in the 16-item Short Form Child Perceptions Questionnaire for children aged 11-14 years (CPQ11-14 ISF-16). We used advanced statistical approaches to determine the CPQ's measurement accuracy, precision, invariance and dimensionality and analyzed whether age range could be extended from 8 to 15 years. METHODS: Fit to the Rasch model was examined in 6648 8-to-15-year-olds from Australia, New Zealand, Brunei, Cambodia, Hong Kong, Malaysia, Thailand, Germany, United Kingdom, Brazil and Mexico...
December 19, 2019: Journal of Dentistry