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Table 7 Baseline age and weight characteristics for children (6–18 years) and adults (19+ years) from NHANES (2001–02 to 2011–12)a

From: Whole grain consumption trends and associations with body weight measures in the United States: results from the cross sectional National Health and Nutrition Examination Survey 2001–2012

Age group 2001–2002 2003–2004 2005–2006 2007–2008 2009–2010 2011–12
6–18 years Mean ± standard error (5th, 95th Percentile)b
n 3147 2747 2838 2134 2263 2151
 Age (years) 12.0 ± 0.1 (6,18) 12.1 ± 0.2 (6,18) 12.1 ± 0.2 (6,18) 12.1 ± 0.1 (6,18) 12.0 ± 0.1 (6,18) 11.9 ± 0.1 (6,18)
 BMI (kg/m2) 20.9 ± 0.2 (15,31) 21.1 ± 0.3 (15,31) 21.1 ± 0.3 (15,32) 21.1 ± 0.2 (15,32) 21.3 ± 0.2 (15,32) 21.3 ± 0.2 (15,32)
 Waist circumference (cm) 73.1 ± 0.4 (54,102) 73.6 ± 0.7 (53,101) 74.0 ± 0.9 (53,105) 73.5 ± 0.6 (53,104) 73.7 ± 0.4 (53,103) 74.1 ± 0.6 (53,103)
 Overweight/obese (%)c 32.7 34.8 32.6 35.1 33.7 35.9
 Obese (%)c 16.5 17.2 17.5 18.8 19.1 20.5
19+ years Mean ± standard error (5th, 95th Percentile)b
n 4647 4456 4405 5477 5820 4878
 Age (years) 45.6 ± 0.5 (21,77) 46.5 ± 0.5 (21,78) 46.9 ± 0.7 (21,78) 46.4 ± 0.5 (21,78) 46.8 ± 0.5 (21,78) 46.9 ± 1.0 (21,79)
 BMI (kg/m2) 28.0 ± 0.2 (20,40) 28.1 ± 0.1 (24,39) 28.5 ± 0.3 (20,41) 28.6 ± 0.2 (20,41) 28.7 ± 0.1 (20,41) 28.6 ± 0.2 (20,41)
 Waist circumference (cm) 96.0 ± 0.4 (73,124) 97.2 ± 0.3 (75,125) 97.4 ± 0.7 (73,126) 97.8 ± 0.5 (74,127) 98.1 ± 0.4 (74,127) 98.4 ± 0.6 (76,128)
 Overweight/obese (%)c 65.1 65.6 66.6 67.7 68.9 67.7
 Obese (%)c 30.5 32.3 33.3 33.9 36.2 34.6
  1. aDay 1 from foods only, excluding pregnant and breastfeeding women
  2. bMeans, 5th and 95th percentile were calculated using PROC SURVEYMEANS for all the 2 year cycles
  3. c% Overweight/Obese and % Obese were calculated using PROC SURVEYFREQ for all the 2 year cycles