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Body fat differences among U.S. youth aged 8–19 by race and Hispanic origin, 2011–2018
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07/01/2022
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Source: Pediatr Obes. 17(7):e12898
[PDF-214.41 KB]
Details:
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Alternative Title:Pediatr Obes
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Personal Author:
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Description:Background:
The association between body mass index (BMI) and adiposity differs by race/ethnicity.
Objective:
To examine differences in adiposity by race/Hispanic origin among US youth and explore how those differences relate to differences in BMI using the most recent national data, including non-Hispanic Asian youth.
Methods:
Weight, height, and DXA-derived fat mass index (FMI) and percentage body fat (%BF) from 6923 youth 8-19y in the National Health and Nutrition Examination Survey (NHANES) 2011-2018 were examined. Age-adjusted mean BMI, FMI and %BF were reported. Sex-specific linear regression models predicting %BF and FMI were adjusted for age, BMI category and BMI category*race/Hispanic origin interaction.
Results:
%BF was highest among Hispanic males (28.2%) and females (35.7%). %BF was lower among non-Hispanic Black (23.9%) compared with non-Hispanic White (26.0%) and non-Hispanic Asian (26.6%) males. There was no difference between non-Hispanic Black females (32.7%) and non-Hispanic White (33.2%) or non-Hispanic Asian (32.7%) females. FMI was higher among Hispanic youth compared with non-Hispanic White youth. Among youth with underweight/healthy weight, predicted %BF and FMI were lower among non-Hispanic Black males (−2.8%; −0.5) and females (−2.0%; −0.3), compared with non-Hispanic White youth, and higher among Hispanic males (0.9%; 0.2) and females (2.0%; 0.5), while %BF but not FMI was higher among non-Hispanic Asian males (1.3%) and females (1.4%). Among females with obesity, non-Hispanic Asian females had lower %BF (−2.3%) and FMI (−1.7) than non-Hispanic White females.
Conclusions:
Differences in %BF and FMI by race/Hispanic origin were not consistent by BMI category among U.S. youth in 2011-2018.
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Pubmed ID:35135038
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Pubmed Central ID:PMC9177747
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