J Korean Med Sci.  2012 Jul;27(7):748-755. 10.3346/jkms.2012.27.7.748.

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

• Hwang B
• Lim JY
• Lee J
• Choi NK
• Ahn YO
• Park BJ

• KMID: 2157918
• DOI: http://doi.org/10.3346/jkms.2012.27.7.748

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.

Keyword

Sarcopenia; Obesity; Aging; Prevalence; Epidemiology

MeSH Terms

Age Factors
Aged
Aged, 80 and over
Databases, Factual
Demography
Female
Humans
Insulin/blood
Male
Middle Aged
Nutritional Status
Obesity/*epidemiology/etiology
Odds Ratio
Prevalence
Republic of Korea/epidemiology
Risk Factors
Sarcopenia/*complications
Sex Factors
Vitamin D/blood
Waist Circumference
Insulin
Vitamin D

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