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Osong Public Health Res Perspect. 2017 Jun;8(3):169-178. doi: 10.24171/j.phrp.2017.8.3.03. Epub 2017 Jun 30.

Factors Affecting Sarcopenia in Korean Adults by Age Groups.

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Division of Nursing, Dongnam Institute of Radiological and Medical Sciences, Busan, Korea.
Department of Nursing, Pukyong National University, Busan, Korea.



This study aimed to investigate factors affecting sarcopenia in different age groups among Korean adults aged 20 years or older.


In this secondary analysis, data were collected from records for 17,968, participants who participated in the Korea National Health and Nutrition Examination Survey during 2008-2011. Data were analyzed using multiple logistic regression to determine the associated factors of sarcopenia by age groups.


The prevalence of sarcopenia increased significantly with age. Physical activity, blood pressure, waist circumference, triglycerides, vitamin D level were found to be factors significantly associated with sarcopenia in all age groups. Total energy intake was found to be a factor that is significantly associated with sarcopenia among the adults aged 20-39 years. Fasting glucose, suicidal ideation, perceived health status, mobility problem, pain/discomfort, total energy intake were found to be factors associated with sarcopenia in the adults aged 40-64 years. Sex, residential area, smoking, drinking, fasting glucose, osteoarthritis, fall experience, usual activity problem, protein intake were factors associated with sarcopenia in the adults over 65 years of age.


The findings show that sarcopenia in adults and the associated factors were different by age groups. Thus, these factors should be considered in the development of intervention programs for the care and prevention of sarcopenia, and such programs should be modified according to different age groups.


Korea National Health and Nutrition Examination Survey (KNHANES); age groups; sarcopenia

Conflict of interest statement

CONFLICTS OF INTEREST No potential conflict of interest relevant to this article was reported.

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