Sandra Malter1, Christian Hirsch1, Daniel R Reissmann2,3, Oliver Schierz4, Katrin Bekes5. 1. Department of Paediatric Dentistry, University of Leipzig, Liebigstrasse 12, House 1, 04103, Leipzig, Germany. 2. Department of Prosthetic Dentistry, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany. 3. Department of Diagnostic and Biological Sciences, University of Minnesota, 6-320d Moos Tower, 515 Delaware Street SE, Minneapolis, MN, 55455, USA. 4. Department of Prosthetic Dentistry, University of Leipzig, Liebigstrasse 12, House 1, 04103, Leipzig, Germany. 5. Department of Paediatric Dentistry, Martin-Luther-University Halle-Wittenberg, Harz 42a, 06114, Halle, Germany. katrin.bekes@uk-halle.de.
Abstract
OBJECTIVES: Questionnaires that measure oral health-related quality of life (OHRQoL) in children and adolescents have emerged in recent years as an important source of patient-reported outcomes. The aim of this study was to investigate potential effects of the method of administration (face-to-face interview, telephone interview, or self-administered questionnaire) in 11- to 14-year-old children and adolescents on OHRQoL information obtained using the Child Perceptions Questionnaire (CPQ). MATERIALS AND METHODS: OHRQoL was measured using the German version of the CPQ (CPQ-G11-14). The instrument was administered to 42 children and adolescents aged 11 to 14 years using the three different methods in a randomized order with an interval of 1 week between each administration. Test-retest reliability for the repeated CPQ-G11-14 assessments across the three methods of administration, internal consistency, and convergent validity were determined. RESULTS: The CPQ-G11-14 mean summary scores did not vary statistically significantly across the three administration methods (P = 0.274). Test-retest reliability was moderate to good (ICC 0.69-0.82), internal consistency was satisfactory (Cronbach's alpha 0.85-0.88), and CPQ-G11-14 mean summary scores were correlated in the expected direction with a global measure of self-reported oral health for all the three administration methods. CONCLUSION: In conclusion, the method of administration (face-to-face interview, telephone interview, or self-administered questionnaire) did not influence CPQ-G11-14 scores in 11- to 14-year-old children and adolescents to a significant extent. CLINICAL RELEVANCE: Investigators in German-speaking countries can choose between all three methods of administration to obtain valid and reliable OHRQoL information.
RCT Entities:
OBJECTIVES: Questionnaires that measure oral health-related quality of life (OHRQoL) in children and adolescents have emerged in recent years as an important source of patient-reported outcomes. The aim of this study was to investigate potential effects of the method of administration (face-to-face interview, telephone interview, or self-administered questionnaire) in 11- to 14-year-old children and adolescents on OHRQoL information obtained using the Child Perceptions Questionnaire (CPQ). MATERIALS AND METHODS: OHRQoL was measured using the German version of the CPQ (CPQ-G11-14). The instrument was administered to 42 children and adolescents aged 11 to 14 years using the three different methods in a randomized order with an interval of 1 week between each administration. Test-retest reliability for the repeated CPQ-G11-14 assessments across the three methods of administration, internal consistency, and convergent validity were determined. RESULTS: The CPQ-G11-14 mean summary scores did not vary statistically significantly across the three administration methods (P = 0.274). Test-retest reliability was moderate to good (ICC 0.69-0.82), internal consistency was satisfactory (Cronbach's alpha 0.85-0.88), and CPQ-G11-14 mean summary scores were correlated in the expected direction with a global measure of self-reported oral health for all the three administration methods. CONCLUSION: In conclusion, the method of administration (face-to-face interview, telephone interview, or self-administered questionnaire) did not influence CPQ-G11-14 scores in 11- to 14-year-old children and adolescents to a significant extent. CLINICAL RELEVANCE: Investigators in German-speaking countries can choose between all three methods of administration to obtain valid and reliable OHRQoL information.
Entities:
Keywords:
Administration methods; Child Perceptions Questionnaire (CPQ); Oral health-related quality of life (OHRQoL)
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