Table V.
Relative risk and prevalence of severe obesity, obesity, or overweight/obesity by age 6 years in infants meeting BMI and WFL percentile thresholds
| Ages | Severe obesity (BMI ≥99th percentile) | Obesity (BMI ≥95th percentile) | Overweight or obesity (BMI ≥85th percentile) | |||
|---|---|---|---|---|---|---|
| Prevalence if threshold met/not met, % | RR (95% CI) | Prevalence if threshold met/not met, % | RR (95% CI) | Prevalence if threshold met/not met, % | RR (95% CI) | |
| BMI ≥85th percentile | ||||||
| 6 mo | 11/4 | 2.53 (1.84–3.47) | 32/9 | 3.25 (2.62–4.04) | 54/19 | 3.66 (2.95–4.54) |
| 12 mo | 9/2 | 2.44 (1.92–3.10) | 29/7 | 2.93 (2.49–3.45) | 54/15 | 3.70 (3.13–4.36) |
| 18 mo | 13/2 | 2.92 (2.46–3.48) | 28/6 | 2.78 (2.36–3.27) | 54/13 | 3.58 (3.02–4.24) |
| WFL ≥85th percentile | ||||||
| 6 mo | 10/4 | 2.33 (1.71–3.16) | 30/9 | 2.99 (2.43–3.68) | 51/19 | 3.33 (2.73–4.07) |
| 12 mo | 10/3 | 2.75 (2.01–3.77) | 33/8 | 3.57 (2.89–4.42) | 58/18 | 4.34 (3.48–5.40) |
| 18 mo | 20/2 | 4.91 (3.86–6.24) | 40/7 | 4.59 (3.61–5.82) | 65/17 | 5.62 (4.28–7.39) |
RR, relative risk.
Overall prevalence in this cohort: severe obesity, 4.5%; obesity, 12.0%; overweight or obesity, 24.3%.