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KMID : 0384320030240090827
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Korean Journal of Family Medicine
2003 Volume.24 No. 9 p.827 ~ p.832
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Association of Body Fat and Body Mass Index with Pulmonary Function in Women in Their Forties
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Kim Sung-Ryul
Choi Un-Seok
Choi Ji-Ho
Koh Hee-Jeong
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Abstract
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Background : Obesity and decreased pulmonary function increase mortality and morbidity of diseases. Obesity is a major factor of decreased pulmonary function. There are variable results of how much body mass index (BMI) and body fat percent influence pulmonary function. There arefew data between obesity and pulmonary function in Korea. This study observed the association of BMI, body fat percent and pulmonary function, and quantified the impact of obesity to pulmonary function.
Methods : 603, non-smoking women in their forbles visited the Health Promotion Center of Inha University Hospital from January 3, 2000 to December 31 2000. Questions concerning smoking, exercise, and past medical history were made. Body fat percent and pulmonary function were measured. Correlation, simple linear regression and multiple linear regression between obesity indices and pulmonary function were used executed.
Results : BMI has no correlation with FVC, FEV1 and FEV1/FVC ratio. Body fat percent was negatively correlated with FVC and FEV1 (r=-0.162; P＜0.01, r= -0.195; P＜0.01), and was not correlated with FEV1/FVC ratio. In a multiple linar regression, body fat percent was inversely related to FVC and FEV1 (β=-10.380; P＜0.01, β=-11.379; P＜0.01).
Conclusion : Increased body fat percent has association with decreased pulmonary function and has more impact on FEV1 than FVC. FVC was decreased by 10.380 mL and FEV1 was decreased by 11.379 mL when body fat percent increased by 1%.
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KEYWORD
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obesity, body fat percent, body mass index, pulmonary function
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