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. 2021 Jul 22;114(4):1495–1504. doi: 10.1093/ajcn/nqab237

FIGURE 1.

FIGURE 1

Crude means of adiposity measures by sex, survey years, and 6-mo age intervals—United States, 1999–2006 and 2011–2018. (A) Mean %BF, (B) mean FMI. Estimates were calculated using examination sample weights and accounted for the survey's complex, multistage probability design. For 1999–2006, imputed data were included; means were averaged across imputations. Overall sample sizes: males during 1999–2006, n = 5933; males during 2011–2018, n = 3584; females during 2001–2006, n = 4298; females during 2011–2018, n = 3339. Source: National Center for Health Statistics, NHANES. For the 1999–2006 time period, female data include only 2001–2006. FMI, fat mass index; %BF, percentage body fat.