Adjusted OR (95% CI) showing associations for underweight, overweight, and obesity versus normal weight for year 2000 among all children, girls and boys (using the total dataset for 2000)
| Outcome variables | All†(N = 1237) | Girls‡(N = 617) | Boys‡(N = 620) |
|---|---|---|---|
| *Meets the Holm’s criterion for significance (adjusting for nine comparisons) at the 5% level.22 | |||
| **Meets the Holm’s criterion for significance (adjusting for nine comparisons) at the 1% level.22 | |||
| †Adjusted for family history of allergic disease, family size (as a continuous variable), birth weight (< or ⩾2500 g), current smoking in the home, father’s years of post primary education (< or ⩾5.5 years), frequency of hamburger consumption (1+ times a week, less than once a week, or never) and exercise (once a week or less, 2–3 times a week, 4–6 times a week, or everyday), sex, ethnicity (Maori/Polynesian or European/other), and year born (1988 or 1989). | |||
| ‡Adjusted as previously but after removal of sex as a variable. | |||
| ¶p value for trend with BMI SDS. | |||
| §No underweight boys with this outcome. | |||
| Wheeze ever | |||
| Underweight | 0.84 (0.41 to 1.72) | 0.42 (0.13 to 1.33) | 1.58 (0.58 to 4.30) |
| Normal | 1.00 | 1.00 | 1.00 |
| Overweight | 1.02 (0.76 to 1.36) | 1.40 (0.92 to 2.13) | 0.77 (0.50 to 1.18) |
| Obese | 1.41 (0.90 to 2.20) | 2.23 (1.18 to 4.22) | 0.88 (0.46 to 1.70) |
| p value¶ | 0.051 | 0.00003** | 0.36 |
| Wheeze in last 12 months | |||
| Underweight | 0.49 (0.17 to 1.42) | 0.47 (0.10 to 2.12) | 0.52 (0.11 to 2.35) |
| Normal | 1.00 | 1.00 | 1.00 |
| Overweight | 1.15 (0.81 to 1.62) | 1.23 (0.74 to 2.03) | 1.09 (0.67 to 1.78) |
| Obese | 1.95 (1.20 to 3.16) | 1.85 (0.92 to 3.75) | 2.09 (1.06 to 4.15) |
| p value¶ | 0.002* | 0.002* | 0.17 |
| Wheeze with exercise | |||
| Underweight | 0.35 (0.10 to 1.17) | 0.21 (0.03 to 1.59) | 0.48 (0.10 to 2.21) |
| Normal | 1.00 | 1.00 | 1.00 |
| Overweight | 1.15 (0.82 to 1.62) | 1.38 (0.85 to 2.24) | 1.01 (0.61 to 1.65) |
| Obese | 1.63 (1.01 to 2.65) | 1.62 (0.80 to 3.27) | 1.82 (0.91 to 3.65) |
| p value¶ | 0.0157 | 0.02 | 0.17 |
| Asthma ever | |||
| Underweight | 1.14 (0.55 to 2.37) | 0.93 (0.31 to 2.75) | 1.44 (0.51 to 4.05) |
| Normal | 1.00 | 1.00 | 1.00 |
| Overweight | 1.07 (0.79 to 1.46) | 1.44 (0.93 to 2.24) | 0.86 (0.56 to 1.34) |
| Obese | 1.71 (1.09 to 2.69) | 3.10 (1.63 to 5.93) | 1.00 (0.52 to 1.93) |
| p value¶ | 0.04 | 0.0002** | 0.48 |
| Hospital admission ever | |||
| Underweight | 2.35 (1.01 to 5.47) | 2.23 (0.65 to 7.64) | 2.54 (0.75 to 8.56) |
| Normal | 1.00 | 1.00 | 1.00 |
| Overweight | 1.38 (0.92 to 2.07) | 0.92 (0.48 to 1.78) | 1.98 (1.15 to 3.39) |
| Obese | 1.63 (0.93 to 2.87) | 2.05 (0.93 to 4.53) | 1.03 (0.42 to 2.49) |
| p value¶ | 0.33 | 0.37 | 0.80 |
| Inhaled steroid or cromoglycates in last 12 months | |||
| Underweight | 0.55 (0.16 to 1.84) | 0.36 (0.05 to 2.80) | 0.81 (0.18 to 3.72) |
| Normal | 1.00 | 1.00 | 1.00 |
| Overweight | 1.16 (0.78 to 1.73) | 1.08 (0.60 to 1.94) | 1.30 (0.75 to 2.25) |
| Obese | 2.33 (1.39 to 3.91) | 2.97 (1.43 to 6.18) | 1.98 (0.92 to 4.26) |
| p value¶ | 0.004* | 0.003* | 0.22 |
| Medication in last 12 months | |||
| Underweight | 0.88 (0.38 to 2.08) | 1.01 (0.31 to 3.24) | 0.78 (0.21 to 2.83) |
| Normal | 1.00 | 1.00 | 1.00 |
| Overweight | 1.22 (0.87 to 1.70) | 1.34 (0.83 to 2.18) | 1.19 (0.74 to 1.91) |
| Obese | 2.07 (1.30 to 3.31) | 2.71 (1.39 to 5.31) | 1.73 (0.88 to 3.42) |
| p value¶ | 0.001* | 0.00006** | 0.16 |
| BHR to exercise | |||
| Underweight | 0.36 (0.05 to 2.70) | 0.65 (0.08 to 5.20) | § |
| Normal | 1.00 | 1.00 | 1.00 |
| Overweight | 0.94 (0.56 to 1.58) | 0.89 (0.44 to 1.81) | 1.04 (0.47 to 2.29) |
| Obese | 0.94 (0.44 to 1.98) | 0.91 (0.33 to 2.47) | 0.96 (0.29 to 3.16) |
| p value¶ | 0.91 | 0.96 | 0.96 |
| Atopy | |||
| Underweight | 0.51 (0.22 to 1.21) | 0.91 (0.30 to 2.71) | 0.25 (0.06 to 1.13) |
| Normal | 1.00 | 1.00 | 1.00 |
| Overweight | 1.05 (0.78 to 1.43) | 0.83 (0.53 to 1.30) | 1.31 (0.86 to 2.01) |
| Obese | 1.44 (0.91 to 2.28) | 1.47 (0.76 to 2.84) | 1.45 (0.76 to 2.78) |
| p value¶ | 0.016 | 0.32 | 0.012 |