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Relationship between physical activity and oral frailty among older adults in Korea

  • Journal of Korean society of Dental Hygiene
  • Abbr : J Korean Soc Dent Hyg
  • 2024, 24(5), pp.423-436
  • DOI : 10.13065/jksdh.20240507
  • Publisher : Korean Society of Dental Hygiene
  • Research Area : Medicine and Pharmacy > Dentistry
  • Received : July 27, 2024
  • Accepted : September 9, 2024
  • Published : October 30, 2024

김인자 1 김동애 1

1여주대학교 치위생과

Accredited

ABSTRACT

Objectives: This study aimed to investigate the effects of physical activity on oral frailty in older Korean adults. Methods: The data from 1,320 individuals aged 65 years and older, derived from the 8th Korean National Health and Nutrition Examination Survey (2019), were subjected to complex sample statistical analysis. Oral frailty was assessed based on the presence of one or more functional impairments according to the following five criteria: difficulty chewing, difficulty speaking, number of natural teeth, brushing frequency, and use of oral hygiene products. Results: Chewing discomfort and difficulty speaking were highest in the 76-80 age group at 44.5% and 18.1%, respectively (p<0.01). The proportion of patients with 20+ natural teeth decreased from 72.2% (65-70) to 45.3% (75-80) (p<0.001). The daily brushing rate was 50.2% in the 65-70 group. Chewing discomfort was reported by 26% of those who walked 4-6 days a week (p<0.01). Moderate-intensity activity was linked to lower chewing discomfort (22.9%) and speaking difficulty (7.4%) compared with higher levels in inactive individuals (30.4%, 14.9%) (p<0.01). Brushing three times daily was observed in 52.9% of walkers and 33.9% of non-walkers (p<0.001). Oral hygiene product use varied significantly according to activity level (p<0.05). Conclusions: Physical activity significantly affects oral frailty, highlighting the need for targeted training and policy development.

Citation status

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