J Korean Acad Oral Health.  2019 Mar;43(1):3-7. 10.11149/jkaoh.2019.43.1.3.

The influence of functional oral health literacy on perceived oral health status in Korean adults

  • 1Department of Public Health Studies, Yeungnam University Graduate School, Gyeongsan, Daegu, Korea.
  • 2Department of Preventive Dentistry, Kyungpook National University School of Dentistry, Daegu, Korea.
  • 3Department of Preventive Medicine & Public Health, Yeungnam University College of Medicine, Daegu, Korea. cykim@ynu.ac.kr


This study was conducted to analyze the effect that oral health literacy of adults has on perceived oral health state and to identify the factors that affect perceived oral health status.
A self-administered questionnaire survey was distributed to 554 adults who lived in the Daegu or Gyeongbuk areas and visited dental institutions located in the Daegu area. For adults who were 60 years old or older, direct interviews were conducted. Statistical analysis was performed with t-tests, analysis of variance, and multiple regression using SPSS
Between oral health literacy and perceived oral health status, a significant positive correlation was revealed (r=0.142, P<0.01). A significant positive correlation was revealed between oral health literacy and knowledge (r=0.397, P<0.01). A significant but weakly positive correlation was revealed between oral health knowledge and perceived oral health status (r=0.086, P<0.05). To identify factors affecting perceived oral health status, multiple regression analysis was conducted, and the result showed that oral health literacy was a statistically significant factor (β=0.105, p<0.05). Among general characteristics, age was a statistically significant negatively affecting factor, as it showed a negative relationship with perceived oral health status (β=−0.140, P=0.001, adjusted R2=0.049).
When these study results are taken into consideration, oral health literacy is a factor affecting perceived oral health status, and as such, oral health literacy of the research targets should be taken into consideration when implementing oral health education to promote oral health.


Health literacy; Knowledge; Oral health; Perceived oral health
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