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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: Acad Pediatr. 2009 Jun 27;9(5):322–329. doi: 10.1016/j.acap.2009.04.005

Figure 2.

Figure 2

Prevalence of BMI ≥99th Percentile Among U.S. Children Ages 2–19 Years, NHANES II (1976–1980), NHANES III (1998-1994) and NHANES 1999–2004, by gender

a p<0.001 for trends from NHANES II to NHANES III to NHANES 1999–2004

b p<0.001 comparing NHANES II to NHANES 1999–2004

c p=0.04 comparing NHANES III to NHANES 1999–2004

d p ≤ 0.003 comparing NHANES II to NHANES III

* Estimates for NHANES II females based on sample size <30 or relative standard error >30% and may be unreliable