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http://dx.doi.org/10.3346/jkms.2012.27.7.748

Prevalence Rate and Associated Factors of Sarcopenic Obesity in Korean Elderly Population  

Hwang, Byungkwan (Department of Rehabilitation Medicine, Seoul National University Hospital)
Lim, Jae-Young (Department of Rehabilitation Medicine, Seoul National University Hospital)
Lee, Joongyub (Medical Research Collaborating Center, Seoul National University and Seoul National University Hospital)
Choi, Nam-Kyong (Medical Research Collaborating Center, Seoul National University and Seoul National University Hospital)
Ahn, Yoon-Ok (Department of Preventive Medicine, Seoul National University College of Medicine)
Park, Byung-Joo (Department of Preventive Medicine, Seoul National University College of Medicine)
Publication Information
Journal of Korean Medical Science / v.27, no.7, 2012 , pp. 748-755 More about this Journal
Abstract
This study was conducted to estimate the prevalence rates and to explore associated factors of sarcopenic obesity (SO) in 2,221 Koreans over 60 yr-of age from the Fourth Korea National Health and Nutrition Examination Survey (2009). Participants were assessed by dual energy X-ray absorptiometry. Appendicular skeletal muscle mass divided by body weight was used to define sarcopenia and waist circumference was used to define obesity. We estimated the prevalence rates of SO according to age-groups, sex and region. In addition, each group was compared by demographic characteristics, metabolic status, nutrition, and physical activity. The prevalence rates of SO were 6.1% (95% confidential interval [CI] = 6.1-6.2) for men and 7.3% (95% CI = 7.3-7.3) for women, respectively. SO was positively associated with no current working and the number of combined medical conditions. High serum insulin level was positively associated with SO, whereas vitamin D was negatively associated with SO in both men and women. In conclusion, the prevalence rates of SO are 6.1% in men and 7.3% in women. SO is associated with insulin resistance, inappropriate nutrition, and low physical activity.
Keywords
Sarcopenia; Obesity; Aging; Prevalence; Epidemiology;
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