| Titre : | Evaluation of the Body Adiposity Index in a Caucasian Population : The Hordaland Health Study. (2013) |
| Auteurs : | Kathrine-J VINKNES ; Christian-A DREVON ; ELSHORBAGY (Amany-K) : EGY. Department of Physiology. Faculty of Medicine. University of Alexandria. Alexandria. ; GJESDAL (Clara-G) : NOR. Department of Medicine. University of Bergen. Bergen. ; NYGARD (Ottar) : NOR. Section for Cardiology. Institute of Medicine. University of Bergen. Bergen. ; Helga REFSUM ; Grethe-S TELL ; VOLLSET (Stein-E) : NOR. Division of Epidemiology. Norwegian Institute of Public Health. Oslo. ; Department of Pharmacology. University of Oxford. Oxford. GBR |
| Type de document : | Article |
| Dans : | American journal of epidemiology (vol. 177, n° 6, 2013) |
| Pagination : | 586-592 |
| Langues: | Anglais |
| Mots-clés : | Evaluation ; Corps ; Tissu adipeux ; Norvège ; Os ; Epidémiologie ; Europe |
| Résumé : | [BDSP. Notice produite par INIST-CNRS D9R0xHqt. Diffusion soumise à autorisation]. In this study, we compared the relationships of body mass index (BMI) and body adiposity index (BAI) with body fat percentage (BF%) in a Caucasian, European population. BF% was measured by dual-energy x-ray absorptiometry in a population-based cross-sectional study of 5,193 middle-aged (47-49 years) and elderly (71-74 years) men and women from the Hordaland Health Study in western Norway from 1997 to 1999. In the total population, the correlation between BAI and BF% was stronger (r=0.78) than the correlation between BMI and BF% (r=0.56) with similar results in the middle-aged and elderly groups. However, in men and women separately, BMI was a better correlate of BF% (for men, r=0.76 ; for women, r=0.81) than was BAI (for men, r=0.57 ; for women, r=0.72). BMI was also a better correlate of BF% than was BAI assessed by partial correlations adjusted for sex (for BMI-BF%, r=0.79 ; for BAI-BF%, r=0.67). Bland-Altman plots and BF% - stratified analyses showed that BAI tended to overestimate BF% in lean subjects and to underestimate it in those with higher proportions of body fat, but that it predicted BF% well for those whose BMI was in a normal range. At the individual level and in population studies adjusted for sex, BMI outperforms BAI as a predictor of BF%. |
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