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KMID : 0355420110350010067
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Journal of Korean Academy of Oral Health
2011 Volume.35 No. 1 p.67 ~ p.76
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Association of smoking, economic status and oral health in the elderly in Dong-gu, Daejeon
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Kim Hae-Young
Hwang Seung-Sik
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Abstract
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Objectives. Smoking is a major risk factor of periodontal disease. The socio-economic status of an individual is known to correlate with oral health status and smoking rate. Therefore, it is important to control socio-economic status as a confounding factor to investigate the effect of smoking on oral health. However, there have been few studies to consider the relationship of two factors. The purpose of this study was to investigate the effect of smoking and economic status on oral health and quality of life in elderly people using stratified analysis for economic status.
Methods. The subjects consisted of 581 elderly persons participating in the National Scaling and Topical Fluoride Application Program for the elderly, and a convenient sampling method was utilized after written consent. An oral examination was performed using the teeth status and periodontal status using community periodontal index (CPI). The survey with the questionnaires including OHIP-14 was carried out by 2 interviewers. The data were analyzed using chi-squre test and ANCOVA adjusted by age and subjective oral health management in SPSS 18.0.
Results. Using stratified analysis to determine the economic status, smoking was associated with the total number of residual teeth regardless of economic status (p＜0.001), and the upper incisor area was influenced significantly (p＜0.05) under only high economic status. The difference of CPI among smoking, stop-smoking and non-smoking groups was detected in only lower economic status (p＜0.05). OHIP-14 was associated with smoking in only the middle economic status (p＜0.01).
Conclusions. It was suggested that smoking had a significant impact on total number of residual teeth regardless economic status, but OHIP-14 seemed to be influenced by economic status.
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KEYWORD
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CPI, economic status, OHIP-14, smoking, total residual teeth
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