J Korean Biol Nurs Sci.  2020 Aug;22(3):192-203. 10.7586/jkbns.2020.22.3.192.

The Effect of Oral Environment and Self-care Behavior on Oral Health-related Quality of Life in the Elderly with Diabetes

  • 1College of Nursing, Daegu Catholic University, Daegu, Korea


The purpose of this study was to identify the influencing factors of oral environment and self-care behavior on the oral health-related quality of life in the elderly with diabetes.
The participants were 110 elderly patients with diabetes and follow-up care on their outpatient clinic in D and G city. Data were collected September-December 2018, using questionnaires of the Oral Health Impact Profile (OHIP-49) and Kim’s Self-care Behavior, measuring with the tooth-pick (Premiers Dental), Halitosis Checker (HC-212M), and Moisture Checker for Mucus (MCM) for oral environments. The data were analyzed the by independent t-test, oneway ANOVA, Pearson’s correlation, and stepwise multiple regression analysis using an IBM SPSS Statistics 25.0 Program.
There was positive correlation between oral health-related quality of life and self-care behavior (r= .61, p< .001), negative correlations among halitosis (r = -.34, p < .001), gingival index (r = -.31, p = .001) and plaque index (r = -.32, p = .001). Self-care behavior (β= .46, p< .001), subjective health status (good) (β= .23, p= .002), halitosis (β= -.16, p= .030), and plaque index (β= -.15, p= .041) explained 46.0% of the variance in the oral health-related quality of life.
It is necessary to develop nursing care for elderly patients with diabetes that can enhance the self-care behavior and subjective health status, and lower halitosis and plaque index, the factors influencing the oral health-related quality of life in elderly patients with diabetes.


Oral health; Self care; Quality of life; Diabetes mellitus; Aged
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