Body mass index and obesity-related metabolic disorders in Taiwanese and US whites and blacks: implications for definitions of overweight and obesity for Asians

中山醫學大學機構典藏 CSMUIR > 健康管理學院 > 公共衛生學系暨碩士班 > 期刊論文 > Item 310902500/3531

Please use this identifier to cite or link to this item: https://ir.csmu.edu.tw:8080/ir/handle/310902500/3531

Title:	Body mass index and obesity-related metabolic disorders in Taiwanese and US whites and blacks: implications for definitions of overweight and obesity for Asians
Authors:	Wen-Harn Pan;Katherine M Flegal;Hsing-Yi Chang;Wen-Ting Yeh;Chih-Jung Yeh;Wen-Chung Lee
Contributors:	中山醫學大學:公共與衛生學系
Keywords:	BMI;definitions;obesity;overweight;ethnicity;Asians;diabetes;mellitus;hypertension;hyperuricemia;dyslipidemia
Date:	2004
Issue Date:	2011-03-14T03:49:54Z (UTC)
Abstract:	Background: Recommendations based on scanty data have been made to lower the body mass index (BMI; in kg/m2) cutoff for obesity in Asians. Objective: The goal was to compare relations between BMI and metabolic comorbidity among Asians and US whites and blacks. Methods: We compared the prevalence rate, sensitivity, specificity, predictive values, and impact fraction of comorbidities at each BMI level and the BMI-comorbidity relations across ethnic groups by using data from the third National Health and Nutrition Examination Survey and the Nutrition and Health Survey in Taiwan (1993–1996). Results: For most BMI values, the prevalences of hypertension, diabetes, and hyperuricemia were higher for Taiwanese than for US whites. In addition, increments of BMI corresponded to higher odds ratios in Taiwanese than in US whites for hypertriglyceridemia (P = 0.01) and hypertension (P = 0.075). BMI-comorbidity relations were stronger in Taiwanese than in US blacks for all comorbidities studied. BMIs of 22.5, 26, and 27.5 were the cutoffs with the highest sum of positive and negative predictive value for Taiwanese, US white, and US black men, respectively. The same order was observed for women. For BMIs >27, >85% of Taiwanese, 66% of whites, and 55% of blacks had at least one of the studied comorbidities. However, a cutoff close to the median of the studied population was often found by maximizing sensitivity and specificity. Reducing BMI from >25 to <25 in persons in the United States could eliminate 13% of the obesity comorbidity studied. The corresponding cutoff in Taiwan is slightly <24. Conclusion: These data suggest a possible need to set lower BMI cutoffs for Asians, but where to draw the line is a complex issue.
URI:	https://ir.csmu.edu.tw:8080/handle/310902500/3531
Relation:	American Journal of Clinical Nutrition, Vol. 79, No. 1, 31-39, January 2004
Appears in Collections:	[公共衛生學系暨碩士班] 期刊論文

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