Abstract
Grip strength is a simple indicator of physical strength and is closely associated with systemic health. Conversely, oral health has also been reported to have an important association with systemic health. The present study aimed to assess the effect of oral health status on relative handgrip strength. The data pertaining to 11,337 participants were obtained by means of the seventh Korea National Health and Nutrition Survey (2016 to 2018). Oral health status was evaluated on the basis of the presence of periodontitis and number of remaining teeth (PT, present teeth). Relative handgrip strength was evaluated by means of a digital dynamometer and the value pertaining to the lower 25% of measurements was used as the quartile by gender. The association between oral health status and relative handgrip strength was evaluated by means of multiple regression analysis and multiple logistic regression analysis with covariate correction. Analysis of the crude model revealed a significant association in the group of patients with periodontal disease (odds ratio = 1.69, 95% confidence interval: 1.51–1.89). However, analysis with adjusted covariates revealed that the association was not statistically significant. Moreover, statistical analysis after adjustment for covariates revealed a consistent correlation between PT and relative handgrip strength as categorical and continuous variables. Hence, the present study observed a significant association between oral health status and relative handgrip strength among the Korean adult population.
Highlights
Advancements in the field of science have led to an increase in human lifespan, and emphasis on the quality of life is important for the pursuit of a healthy life
Relative handgrip strength has been recommended to address the disturbance in muscle strength attributable to body mass as well as the health risks associated with weight gain and muscle weakness [4,5]
In accordance with the results reported by the aforementioned studies, oral health is very important and periodontal disease and PT are representative indicators of the oral health status [16,17]
Summary
Advancements in the field of science have led to an increase in human lifespan, and emphasis on the quality of life is important for the pursuit of a healthy life. Physical function plays an important role in the quality of life [1] and handgrip strength is widely used to conveniently evaluate physical functions [2,3]. Handgrip strength is divided into two categories: absolute handgrip strength and relative handgrip strength The latter is computed by dividing absolute handgrip strength by the individual’s body mass index (BMI). Relative handgrip strength has been recommended to address the disturbance in muscle strength attributable to body mass as well as the health risks associated with weight gain and muscle weakness [4,5]. Recent studies have demonstrated the association between relative handgrip strength and systemic diseases. A study by Lawman et al [6] reported the association between handgrip strength and biomarkers of cardiovascular disease using the data obtained from the National Health and Nutrition
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