Validation Study of the Body Adiposity Index as a Predictor of Percent Body Fat in Older Individuals: Findings From the BLSA

被引：21

作者：

Chang, Hui ^{[1
]}

Simonsick, Eleanor M. ^{[2
]}

Ferrucci, Luigi ^{[2
]}

Cooper, Jamie A. ^{[1
]}

机构：

[1] Texas Tech Univ, Dept Nutr Hospitality & Retailing, Lubbock, TX 79409 USA

[2] NIA, Intramural Res Program, NIH, Baltimore, MD 21224 USA

来源：

JOURNALS OF GERONTOLOGY SERIES A-BIOLOGICAL SCIENCES AND MEDICAL SCIENCES | 2014年 / 69卷 / 09期

基金：

美国国家卫生研究院;

关键词：

Body adiposity; BMI; Older population; MASS INDEX; WAIST CIRCUMFERENCE; OBESITY; WEIGHT; CONCORDANCE; HEIGHT; MEN; AGE;

D O I：

10.1093/gerona/glt165

中图分类号：

R592 [老年病学]; C [社会科学总论];

学科分类号：

030301 [社会学]; 100201 [内科学];

摘要：

A new body adiposity index (BAI = (hip circumference)/((height)(1.5)) - 18) has been developed and validated in adult populations. We aimed to assess the validity of BAI in an older population. We compared the concordance correlation coefficient between BAI, body mass index (BMI), and percent body fat (fat%; by dual-energy X-ray absorptiometry) in an older population (n = 954) participating in the Baltimore Longitudinal Study of Aging. BAI was more strongly correlated with fat% than BMI (r of .7 vs .6 for BAI vs BMI and fat%, respectively, p < .01) and exhibited a smaller mean difference from fat% (-5.2 vs -7.6 for BAI vs BMI and fat%, respectively, p < .01) indicating better agreement. In men, however, BMI was in better agreement with fat% (r of .6 vs .7 for BAI vs BMI and fat%, respectively, p < .01) with a smaller mean difference from fat% (-3.0 vs -2.2 for BAI vs BMI and fat%, respectively, p < .01). Finally, BAI did not accurately predict fat% in people with a fat% below 15%. BAI provides valid estimation of body adiposity in an older adult population; however, BMI may

引用

页码：1069 / 1075

页数：7

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