Change over a period of 9 years in self-reported oral health of a middle-aged population using 4-6th KNHANES data

Song-Yi Kim; Nam-Hee Kim

doi:10.11149/jkaoh.2019.43.2.50

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Kim and Kim: Change over a period of 9 years in self-reported oral health of a middle-aged population using 4-6th KNHANES data

Original Article

Journal of Korean Academy of Oral Health 2019; 43(2): 50-55.

Published online: 28 June 2019

DOI: https://doi.org/10.11149/jkaoh.2019.43.2.50

Change over a period of 9 years in self-reported oral health of a middle-aged population using 4-6th KNHANES data

Song-Yi Kim¹

, Nam-Hee Kim²

¹Department of Dental Hygiene, The Graduate School, Yonsei University, Wonju, Korea.

²Department of Dental Hygiene, Wonju College of Medicine, Yonsei University, Wonju, Korea.

Corresponding Author: Nam-Hee Kim. Department of Dental Hygiene, Wonju College of Medicine, Yonsei University, 20 Ilsan-ro, Wonju 26426, Korea. Tel: +82-33-741-0391, Fax: +82-33-735-0391, nami71@yonsei.ac.kr

Received 16 January 2019 Revised 29 April 2019 Accepted 30 April 2019

Journal of Korean Academy of Oral Health

(open-access):

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objectives

To explore changes in self-reported oral health in middle-aged Koreans over a period of 9 years.

Methods

This study design was a cross-sectional analysis. This study analyzed the data of 18,845 middle-aged (45-64 years) subjects who participated in 4-6th Korea National Health and Nutrition Examination Surveys (KNHANES). A complex-sample chi-square test was used to analyze self-reported poor oral health according to sex, household income, and education. A complex-sample logistic regression analysis was used to identify the changes in the factors. SPSS 23.0 and the R ver. 3.5.1 statistical package were used for the analyses.

Results

Poor oral health have been decreased by 5.3% over the 9-year period. Middle-aged men were more likely to report their oral health as worse than women. The lower income and education groups reported their oral health as poor compared to the higher income and education groups. The factors affecting self-reported poor oral health over the 9-year period were sex, income, and education.

Conclusions

More than half of the aged population reported their oral health as poor. Oral health policies should be established for the aged population, including the middle-aged population, for long-term plans.

Keywords: Aged population, Korean National Health and Nutrition Examination Survey (KNHANES), Middle-aged population, Oral health, Self-reported oral health

Figures and Tables

Fig. 1

Self-reported poor oral health by gender.

Fig. 2

Self-reported poor oral health by household income.

Fig. 3

Self-reported poor oral health by education.

Table 1

General characteristics of study subjects Unit: unweighted N, weighted %

KNHANES, Korean National Health and Nutrition Examination Survey; SE, standard error.

Table 2

Changes of impact on self-reported poor oral health

Reference; Gender (Women), Household Income (High), Education (Over college).

OR, odds ratio; CI, confidence interval.

^*P<0.05, ^†P<0.01, ^‡P<0.001 by Logistic regression considering complex sampling.

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ORCID iDs

Song-Yi Kim
https://orcid.org/0000-0003-0715-9383

Nam-Hee Kim
https://orcid.org/0000-0001-5463-0073

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