Year published | NCHS/CDC | WHO |
2000 | 2006 | |
Population(s) from which curves were derived | General United States population (data from the National Health and Nutrition Survey between the 1970s and 1990s); includes infants and children from a variety of socioeconomic and ethnic groups | Multicentre Growth Reference study (Brazil, Ghana, India, Norway, Oman, United States); population chosen to reflect growth under ideal conditions |
Age groups | 0 to 36 months (cross-sectional data; includes both breastfed and formula-fed infants) 2 to 20 years (cross-sectional data) | 0 to 2 years (longitudinal data); infants were exclusively/predominantly breastfed for 4 to 6 months and continued to breastfeed until at least 12 months 2 to 5 years (cross-sectional data) |
Estimated prevalence of overweight in United States children*¶ | ||
0 to 23 months | 9.6% | 7.5% |
24 to 59 months | 9.6% | 8.5% |
Estimated prevalence of underweight in United States children*Δ | ||
Weight-for-age | ||
0 to 23 months | 6.8% | 2% |
24 to 59 months | 3.8% | 0.8% |
Weight-for-height | ||
0 to 23 months | 4% | 0.8% |
24 to 59 months | 3% | 0.5% |
Estimated prevalence of shortness in United States children*◊ | ||
0 to 23 months | 4.9% | 5.2% |
24 to 59 months | 2.9% | 3.1% |
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