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Relations among obesity, family socioeconomic status, oral health behaviors, and dental caries in adolescents: the 2010-2012 Korea National Health and nutrition examination survey



Relations among obesity, family socioeconomic status, oral health behaviors, and dental caries in adolescents: the 2010-2012 Korea National Health and nutrition examination survey



Bmc Oral Health 18(1): 114



The purpose of this study was to examine the relationships among obesity, family socioeconomic status, oral health behaviors, and dental caries and to identify possible differences in factors related with dental caries according to gender among a representative sample of Korean adolescents. Data were obtained from the Korean National Health and Nutrition Examination Survey, which was conducted between 2010 and 2012. This nationally representative cross-sectional survey included approximately 10,000 individuals, including adolescents, each year as a survey sample, and collected information on socioeconomic status, health-related behaviors, quality of life, healthcare utilization, anthropometric measures, biochemical and clinical profiles for non-communicable diseases, and dietary intake via three component surveys (health interview, health examination, and nutrition survey). The health interview and health examination were conducted by trained staff members. A total of 1646 adolescents of ages 13 to 18 years old were included in this study; there were 879 males and 767 females. Data were analyzed by t-test, X2-test, and univariate and multivariate logistic regression analyses using SAS 9.4 and 'R' statistical software for Windows to account for the complex sampling design. In males, significant associations between family income and dental caries on permanent teeth were noted after adjusting for confounding variables; the odds ratios and 95% confidence intervals thereof were 0.43(0.24-0.76), 0.41(0.24-0.70), and 0.28(0.16-0.49) for low-middle, middle-high, and high family income, respectively. Smoking experience showed a significant association with dental caries on permanent teeth in females. Oral health behaviors, such as tooth brushing frequency, were associated with dental caries in only male adolescents. There was no association between obesity and dental caries on permanent teeth in either male or female adolescents. The present study demonstrated that factors associated with dental caries in adolescents differ according to gender. Therefore, gender-specific interventions may be warranted to improve dental health among adolescents.

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Accession: 065471255

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PMID: 29929557

DOI: 10.1186/s12903-018-0576-5


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