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https://hdl.handle.net/2440/91918
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Type: | Journal article |
Title: | Validation of self-reported information on dental caries in a birth cohort at 18 years of age |
Author: | Ribeiro Silva, A. Baptista Menezes, A. Formoso Assuncao, M. Goncalves, H. Demarco, F. Vargas-Ferreira, F. Peres, M. |
Citation: | PLoS One, 2014; 9(9):e106382-1-e106382-8 |
Publisher: | Public Library of Science |
Issue Date: | 2014 |
ISSN: | 1932-6203 1932-6203 |
Editor: | Milgrom, P.M. |
Statement of Responsibility: | Alexandre Emidio Ribeiro Silva, Ana Maria Baptista Menezes, Maria Cecília Formoso Assunção, Helen Gonçalves, Flávio Fernando Demarco, Fabiana Vargas-Ferreira, Marco Aurélio Peres |
Abstract: | OBJECTIVE: Estimate the prevalence of dental caries based on clinical examinations and self-reports and compare differences in the prevalence and effect measures between the two methods among 18-year-olds belonging to a 1993 birth cohort in the city of Pelotas, Brazil. METHOD: Data on self-reported caries, socio-demographic aspects and oral health behaviour were collected using a questionnaire administered to adolescents aged 18 years (n = 4041). Clinical caries was evaluated (n = 1014) by a dentist who had undergone training and calibration exercises. Prevalence rates of clinical and self-reported caries, sensitivity, specificity, positive and negative predictive values, absolute and relative bias, and inflation factors were calculated. Prevalence ratios of dental caries were estimated for each risk factor. RESULTS: The prevalence of clinical and self-reported caries (DMFT>1) was 66.5% (95%CI: 63.6%-69.3%) and 60.3% (95%CI: 58.8%-61.8%), respectively. Self-reports underestimated the prevalence of dental caries by 9.3% in comparison to clinical evaluations. The analysis of the validity of self-reports regarding the DMFT index indicated high sensitivity (81.8%; 95%CI: 78.7%-84.7%) and specificity (78.1%; 95%CI: 73.3%-82.4%) in relation to the gold standard (clinical evaluation). Both the clinical and self-reported evaluations were associated with gender, schooling and self-rated oral health. Clinical dental caries was associated with visits to the dentist in the previous year. Self-reported dental caries was associated with daily tooth brushing frequency. CONCLUSIONS: Based on the present findings, self-reported information on dental caries using the DMFT index requires further studies prior to its use in the analysis of risk factors, but is valid for population-based health surveys with the aim of planning and monitoring oral health actions directed at adolescents. |
Keywords: | Humans Dental Caries Cohort Studies Parturition Adolescent Child Child, Preschool Infant Oral Health Brazil Female Male Self Report |
Rights: | © 2014 Silva et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
DOI: | 10.1371/journal.pone.0106382 |
Published version: | http://dx.doi.org/10.1371/journal.pone.0106382 |
Appears in Collections: | Aurora harvest 7 Dentistry publications |
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hdl_91918.pdf | Published version | 620.38 kB | Adobe PDF | View/Open |
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