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RSS FeedsIJERPH, Vol. 14, Pages 1093: The Role of Body Adiposity Index in Determining Body Fat Percentage in Colombian Adults with Overweight or Obesity (International Journal of Environmental Research and Public Health)

 
 

21 september 2017 18:21:40

 
IJERPH, Vol. 14, Pages 1093: The Role of Body Adiposity Index in Determining Body Fat Percentage in Colombian Adults with Overweight or Obesity (International Journal of Environmental Research and Public Health)
 


The aim of this study is to investigate the accuracy of body adiposity index (BAI) as a convenient tool for assessing body fat percentage (BF%) in a sample of adults with overweight/obesity using bioelectrical impedance analysis (BIA). The study population was composed of 96 volunteers (60% female, mean age 40.6 ± 7.5 years old). Anthropometric characteristics (body mass index, height, waist-to-height ratio, hip and waist circumference), socioeconomic status, and diet were assessed, and BF% was measured by BIA-BF% and by BAI-BF%. Pearson`s correlation coefficient was used to evaluate the correlation between BAI-BF% and BF% assessed by BIA-BF%, while controlling for potential confounders. The concordance between the BF% measured by both methods was obtained with a paired sample t-test, Lin`s concordance correlation coefficient, and Bland-Altman plot analysis. Overall, the correlation between BF% obtained by BIA-BF% and estimated by BAI-BF% was r = 0.885, p < 0.001, after adjusting for potential confounders (age, socioeconomic status, and diet). Lin`s concordance correlation coefficient was moderate in both sexes. In the men, the paired t-test showed a significant mean difference in BF% between the methods (-5.6 (95%CI -6.4 to -4.8); p < 0.001). In the women, these differences were (-3.6 (95%CI -4.7 to -2.5); p < 0.001). Overall, the bias of the BAI-BF% was -4.8 ± 3.2 BF%; p < 0.001), indicating that the BAI-BF% method significantly underestimated the BF% in comparison with the reference method. In adults with overweight/obesity, the BAI presents low agreement with BF% measured by BIA-BF%; therefore, we conclude that BIA-BF% is not accurate in either sex when body fat percentage levels are low or high. Further studies are necessary to confirm our findings in different ethnic groups.


 
130 viewsCategory: Medicine, Pathology, Toxicology
 
IJERPH, Vol. 14, Pages 1096: Frailty and Its Contributory Factors in Older Adults: A Comparison of Two Asian Regions (Hong Kong and Taiwan) (International Journal of Environmental Research and Public Health)
IJERPH, Vol. 14, Pages 1101: Job Satisfaction among Health-Care Staff in Township Health Centers in Rural China: Results from a Latent Class Analysis (International Journal of Environmental Research and Public Health)
 
 
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