Journal of Korean Academy of Oral Health 2013; 37(4): 208-215
Published online December 30, 2013 https://doi.org/10.11149/jkaoh.2013.37.4.208
Copyright © Journal of Korean Academy of Oral Health.
Cheoul-Sin Kim1, Sun-Young Han1, Chul-Woung Kim2
1Research Institute for Dental Care Policy, Korean Dental Association, Seoul, 2Department of Preventive Medicine, Chungnam National University, Daejeon, Korea
Objectives: This study was conducted to identify discrepancies in oral health behaviors among com-munities in cities, counties, and districts (si, gun, and gu administrative divisions of South Korea) and to determine their correlations with socioeconomic status, examined in terms of the social deprivation index.Methods: Data for 220,258 individuals, covering 247 communities, were extracted from a 2008 com-munity health survey, and the frequency of brushing the teeth after lunch, flossing and interdental brush-ing was calculated and analyzed. Considering the characteristics of the data collected at individual and regional levels, a multilevel random-intercept logistic regression model was used for the analysis.Results: A regional-level discrepancy was found in after-lunch brushing and the use of auxiliary oral hygiene items, with interclass correlations of 0.03 and 0.04, respectively. In particular, the odds ratio of using auxiliary oral hygiene items in the communities with the lowest socioeconomic status was as low as 0.49, compared to the highest level, thus demonstrating a conspicuous intercommunity difference.Conclusions: The regional-level correlation between socioeconomic status and oral health behaviors indicates the need for the establishment of oral health-related intervention policies based on community characteristics.
Keywords: Multilevel analysis, Oral health behavior, Socioeconomic position
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