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Epidemiology and Health 2021;e2021080.
DOI: https://doi.org/10.4178/epih.e2021080    [Accepted] Published online Oct 8, 2021.
Associations between Grip Strength and Glycemic Control in Type 2 Diabetes Mellitus: the 2014–2019 Korea National Health and Nutrition Examination Survey
Harim Choi1  , Hoyong Sung1  , Geon Hui Kim1  , On Lee3  , Hyo Youl Moon1,2  , Yeon Soo Kim1,2 
1Department of Physical Education, College of Education, Seoul National University, Seoul, Korea
2Institute of Sports Science, Seoul National University, Seoul, Korea
3Korea Institute of Sport Science, Seoul, Korea
Correspondence  Yeon Soo Kim ,Email: kys0101@snu.ac.kr
Received: Aug 31, 2021  Accepted after revision: Oct 8, 2021
Glycemic control is essential to prevent severe complications in patients with diabetes mellitus. This study aimed to determine the association between grip strength and glycemic control in Korean adults with type 2 diabetes mellitus.
From the Korea National Health and Nutrition Examination Survey, 2,498 participants aged over 19 years without a history of cardiovascular disease and cancer were selected for analysis. Grip strength was assessed using a handheld dynamometer and was represented as age- and sex-specific tertiles. Multivariable logistic regression was performed to calculate the odds ratio and 95% confidence interval of glycemic control according to the grip strength tertiles.
Our results showed that significant ORs of 0.65 (95% CI, 0.45–0.93) and 0.72 (95% CI, 0.52–0.99) were noted in the middle and lower groups of grip strength, respectively. After further adjustment for insulin use, the glycemic control in the lowest tertile of grip strength was 33% (OR, 0.67; 95% CI, 0.47–0.97) lower compared to the highest tertile.
In conclusion, lower grip strength was associated with poor glycemic control in patients with diabetes mellitus, especially in men. However, further studies are needed to confirm the causal relationship between grip strength and glycemic control.
Keywords: muscle strength; hand strength; glycated hemoglobin A


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