Table 1.
Comparison of obesity prevalence estimates for 2005–2010 by sex and age group from NHANES, NSCH, and CHOICES model
| Obesity Prevalence (%) | NHANES v NSCHa | NHANES v CHOICES Modela | |||||
|---|---|---|---|---|---|---|---|
| Age Group | NHANES | NSCH | CHOICES Model | χ2 | p | χ2 | p |
| Males | |||||||
| 2–5 | 11.44 (9.40–13.49) | 43.26 (41.49–45.03) | 12.81 (12.70–12.89) | 505.12 | <0.001 | 2.29 | 0.130 |
| 6–9 | 17.75 (15.18–20.32) | 32.38 (30.72–34.03) | 17.63 (17.52–17.76) | 102.46 | <0.001 | 0.01 | 0.912 |
| 10–13 | 20.36 (17.46–23.27) | 21.59 (20.36–22.81) | 20.92 (20.81–21.02) | 0.95 | 0.330 | 0.21 | 0.646 |
| 14–17 | 18.78 (15.96–21.61) | 14.81 (13.64–15.98) | 18.36 (18.29–18.44) | 13.86 | <0.001 | 0.14 | 0.711 |
| Females | |||||||
| 2–5 | 10.48 (8.35–12.60) | 37.79 (36.03–39.56) | 12.23 (12.15–12.31) | 357.34 | <0.001 | 3.55 | 0.060 |
| 6–9 | 15.90 (13.32–18.48) | 29.93 (28.09–31.78) | 16.42 (16.28–16.53) | 96.81 | <0.001 | 0.23 | 0.633 |
| 10–13 | 18.88 (16.08–21.68) | 14.35 (13.22–15.47) | 20.38 (20.30–20.49) | 17.55 | <0.001 | 1.56 | 0.211 |
| 14–17 | 15.70 (13.02–18.38) | 8.75 (8.01–9.50) | 15.75 (15.63–15.86) | 59.62 | <0.001 | 0.00 | 0.960 |
Sources: National Health and Nutrition Examination Survey (NHANES) 2005–2010 (n=9,377). National Survey of Children’s Health (NSCH) 2003–2004 and 2007–2008 (n=133,213). CHOICES Model incorporates data from NSCH, NHANES, 2010 U.S. Census and 2010 5-year American Community Survey.
a
Chi-square independent sample test of equality of proportions between NHANES and NSCH or CHOICES estimates.