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KMID : 1039620110010020101
Korean Journal of Family Practice
2011 Volume.1 No. 2 p.101 ~ p.110
The Relationship between Obesity and Health-related Quality of Life in Koreans
Shin Joo-Hee

Yoon Yeong-Sook
Yang Yun-Jun
Lee Eon-Sook
Lee Jun-Hyung
Kwak Hye-Rim
Kim Kyeong-Su
Abstract
Background: We examined the relationship between obesity and health-related quality of life (HRQoL), and explored gender differences and other HRQoL related factors.

Methods: We analyzed data from the Korea National Health and Nutrition Examination Survey III (KNHANESIII). 5,526 adults, aged 19 years or older, were classifi ed as normal weight (BMI < 25 kg/m2), obesity (BMI 25-29.9 kg/m2), and evere obesity (BMI ≥ 30 kg/m2). HRQoL was measured by “EuroQol-5 dimension [EQ-5D]”, which measures EQ-5D index and visual analogue scale (EQ-VAS). Logistic regression analysis was used to identify the impact of obesity on HRQoL and associated factors, while controlling for subject characteristics and co-morbidity.

Results: Men’s mean EQ-5D index score (0.954 ± 0.08) was signifi cantly higher than women’s (0.920 ± 0.125). Compared to normal weight group, severe obese women showed a signifi cant lower EQ-5D index score (0.914 ± 0.004 vs. 0.877 ± 0.015) after controlling for other factors, but severe obese men did not show signifi cant relationship. Severely obese women were found to have signifi cantly more problems with mobility (3.59; 1.86-6.95) and pain/discomfort (1.87; 1.12-3.15), but anxiety/depression domain of EQ-5D in severely obese men (0.25; 0.08-0.77) was better than those in normal-weight men. HRQoL by EQ-5D was signifi cantly associated with age, marital status, stress, and education level in both of sex and regular exercise only in women.

Conclusion: Obesity was associated with impaired HRQoL by EQ-5D in Korean women but not in men. More research is needed to elucidate the mechanisms which makes gender differences in the relationship with obesity and HRQoL.
KEYWORD
Obesity, Body Mass Index, Health-related Quality
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