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KMID : 0355420140380040254
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Journal of Korean Academy of Oral Health
2014 Volume.38 No. 4 p.254 ~ p.262
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Factors related to the experience of illegal dental treatments among Korean adults: The Fourth Korea National Health and Nutrition Examination Survey, 2007-2009
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Kim Ji-Eun
Jung Ji-In
Kim Han-Na
Kim Se-Yeon
Jun Eun-Joo
Kim Min-Ji
Jeong Seung-Hwa
Kim Jin-Bom
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Abstract
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Objectives: The aim of the study was to analyze the factors related to the illegal dental treatment experience(IDTX) among Korean adults.
Methods: The raw data for the analysis of IDTX among Korean adults were obtained from the datasetof the Fourth Korea National Health and Nutrition Examination Survey conducted in 2007-2009. Stratifiedweighted subjects aged ≥45 years were selected according to region by using clustered samplingmethods. In total, the data of 9,254 subjects, who participated in the interview and dental examinationsrelated to the experience of illegal dental treatments, were analyzed using chi-square test, general linearmodel, and logistic regression analysis with complex sampling design by considering demographicand socioeconomic variables (age, gender, region, educational level, household income, and medicaland dental delivery system) as well as oral status variables (prosthesis and number of natural remainingteeth).
Results: IDTX rate was <10% among adults aged 35-44 years or below. However, it increased to 15%among adults aged 45-54 years and was >30% among adults aged ≥65 years. The age group with ahigh IDTX rate coincided with the age group with a high number of lost teeth. Most of the IDTX caseswere presumed to be prosthetic treatments. The model comprising demographic, socioeconomic, andoral status variables had the highest explanation power. Significant variables were educational level,household income, prosthesis status, and number of remaining teeth. Women and persons under themedicaid system were more likely to undergo illegal dental treatments.
Conclusions: Comprehensive prosthetic treatments are suggested to be included in the care servicesof the national health insurance and medicaid system to reduce the number of illegal dental treatments.
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KEYWORD
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Dental care, Medicaid, National health insurance, Prosthetics, Socioeconomic factors
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