Association between Handgrip Strength and Periodontitis in Korean Adults Aged >= 30 Years: Data from the Korea National Health and Nutrition Examination Survey (2014-2015)

초록

This study used data from the Korea National Health and Nutrition Examination Survey 2014-2015 database to analyze the association between periodontitis and handgrip strength, a representative measure of hand impairment and function, in adults aged >= 30 years. The data of 5926 adults (male: 2766, females: 3160) who underwent handgrip strength and periodontal tissue examination and had neither rheumatoid arthritis nor osteoarthritis were analyzed. Handgrip strength was assessed using a digital grip strength dynamometer. The average values of the right handgrip strength, calculated separately by sex and age group (five 10-year age groups), were used as the cut-off for reduced handgrip strength. Periodontal status was evaluated using the Community Periodontal Index, defining scores >= 3 as periodontitis. Chi-square test and multivariate logistic regression analyses were performed to compare the differences in the prevalence of periodontitis according to handgrip strength. In the final regression model adjusted for risk factors for periodontitis, the likelihood of periodontitis decreased as the level of handgrip strength increased (p < 0.05). Therefore, this study suggests that handgrip strength may be a valuable indicator of periodontal health.

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