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Effect of social network on body mass index among the elderly

Other Titles
 노인에서 사회연결망이 체질량지수에 미치는 영향 
Issue Date
Dept. of Medicine/석사
Objective: It is known that obesity appears to spread through social ties. The association between other variables related to social network and obesity are unclear. This study aimed to identify communication density or frequency correlated with body mass index (BMI, kg/m2) among the elderly.Methods: This cross-sectional study analyzed data from 660 Koreans (275 men, 385 women) aged 60 years or older, who participated in Korean Social Life, Health and Aging Project (KSHAP) in 2011-2. Communication density is the number of connections in the network reported as a fraction of the total links possible, and communication frequency is average frequency (days per year) of communication between network members. The association between communication density or frequency and BMI was investigated by multiple linear regression analysis.Results: BMI decreased according to tertiles of communication density or frequency both men and women. After adjusted for potential confounders, in men, lower tertile of communication density was associated with higher BMI (regression coefficient ß=1.049, p=0.041), but communication frequency was not significantly associated. By contrast, in women, communication density was not significantly associated, but lower tertile of communication frequency was associated with higher BMI (ß=0.896, p=0.043). Conclusions: Our study suggests that there may be the effect of social network on BMI among the elderly. There might be a gender difference in the relationship between communication density or frequency and obesity.
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1. College of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학교실) > 2. Thesis
Yonsei Authors
Lee, Won Joon(이원준)
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