TABLE III.
Adjusted associations between asthma at age 6 and 8 y and weight status at different ages
| Asthma 6 y | Asthma 8 y | |||||
|---|---|---|---|---|---|---|
| OR | 95% CI | p-value | OR | 95% CI | p-value | |
| Birth weight * | 0.73 | 0.84 | ||||
| < 15th percentile | 0.78 | 0.24, 2.51 | 1.01 | 0.32, 3.23 | ||
| 15–85th percentile | 0.72 | 0.32, 1.63 | 0.82 | 0.36, 1.90 | ||
| ≥ 85th percentile | 1.00 | 1.00 | ||||
| Rapid weight gain 0–6 mo | 0.78 | 0.71 | ||||
| ≥ 0.67 z-score | 1.11 | 0.50, 2.51 | 0.86 | 0.37, 1.96 | ||
| < 0.67 z-score | 1.00 | 1.00 | ||||
| Weight-for-length at 1 y | 0.07 | 0.10 | ||||
| <15th percentile | 3.42 | 0.97, 12.05 | 3.78 | 1.09, 13.13 | ||
| 15–85th percentile | 3.36 | 1.19, 9.54 | 2.71 | 0.97, 7.62 | ||
| ≥ 85th percentile | 1.00 | 1.00 | ||||
| Weight-for-length at 1 y | 0.02 | 0.04 | ||||
| < 85th percentile | 3.14 | 1.17, 8.44 | 2.85 | 1.07, 7.57 | ||
| ≥ 85th percentile | 1.00 | 1.00 | ||||
| Weight-for-length at 2 y | 0.62 | 0.48 | ||||
| < 85th percentile | 1.23 | 0.55, 2.73 | 1.35 | 0.59, 3.10 | ||
| ≥ 85th percentile | 1.00 | 1.00 | ||||
| BMI at 3 y | 0.92 | 0.30 | ||||
| < 85th percentile | 1.04 | 0.50, 2.15 | 1.51 | 0.69, 3.30 | ||
| ≥ 85th percentile | 1.00 | 1.00 | ||||
| BMI at 5 y | 0.81 | 0.49 | ||||
| < 85th percentile | 0.91 | 0.45, 1.88 | 1.31 | 0.61, 2.82 | ||
| ≥ 85th percentile | 1.00 | 1.00 | ||||
| Weight change between 1 & 5 y | 0.12 | 0.21 | ||||
| Normal | 4.20 | 0.84, 20.96 | 3.40 | 0.79, 14.64 | ||
| Overweight 1 y only | 1.00 | 1.00 | ||||
| Overweight 5 y only | 5.78 | 1.03, 32.45 | 2.87 | 0.57, 14.42 | ||
| Overweight 1 & 5 y | 1.80 | 0.25, 12.77 | 1.30 | 0.20, 8.39 | ||
*
Other variables included in the analysis were: gender, maternal asthma and environmental factors during 1st yr: breastfeeding, dog and cat ownership, smoke exposure, daycare attendance and having older children in the household, RV wheezing. Besides these variables, birth weight was included in other models.