Table 3

 Univariate OR (95% CI) showing associations for underweight, overweight, and obesity versus normal weight in 1989 and 2000 among all children, girls and boys¶

Outcome variablesAllGirlsBoys
19892000†19892000†19892000†
Total (n = 871)Total (n = 894)Total (n = 417)Total (n = 449)Total (n = 454)Total (n = 444)
BHR, bronchial hyperresponsiveness.
*Meets the Holm’s criterion for significance (adjusting for eight comparisons) at the 5% level.22
**Meets the Holm’s criterion for significance (adjusting for eight comparisons) at the 1% level.22
†2000 data restricted to children in their 12th year.
‡p value for trend with BMI SDS.
¶One observation is missing information on sex in year 2000.
§No underweight subjects with this outcome.
††No obese subjects with this outcome.
Wheeze ever
    Underweight1.00 (0.58 to 1.70)0.71 (0.28 to 1.81)1.01 (0.45 to 2.31)0.33 (0.07 to 1.53)1.04 (0.51 to 2.13)1.80 (0.42 to 7.67)
    Normal1.001.001.001.001.001.00
    Overweight1.30 (0.83 to 2.05)1.26 (0.91 to 1.74)1.36 (0.69 to 2.70)1.50 (0.96 to 2.35)1.34 (0.73 to 2.46)1.08 (0.68 to 1.72)
    Obese1.28 (0.52 to 3.17)1.32 (0.82 to 2.12)1.40 (0.37 to 5.31)1.81 (0.95 to 3.42)1.28 (0.37 to 4.48)0.96 (0.47 to 1.95)
    p value‡0.300.006*0.670.0005**0.340.87
Wheeze last 12 months
    Underweight0.96 (0.51 to 1.80)0.19 (0.03 to 1.45)1.16 (0.46 to 2.94)0.34 (0.04 to 2.71)0.87 (0.37 to 2.05)§
    Normal1.001.001.001.001.001.00
    Overweight1.47 (0.89 to 2.42)1.31 (0.90 to 1.89)1.77 (0.85 to 3.73)1.21 (0.72 to 2.05)1.32 (0.67 to 2.60)1.42 (0.84 to 2.40)
    Obese1.03 (0.34 to 3.08)1.82 (1.09 to 3.03)1.36 (0.29 to 6.41)1.58 (0.78 to 3.21)0.86 (0.18 to 4.05)2.19 (1.04 to 4.59)
    p value‡0.220.002*0.440.013*0.360.08
Wheeze with exercise
    Underweight1.05 (0.55 to 2.01)0.19 (0.02 to 1.39)0.69 (0.24 to 2.04)§1.45 (0.63 to 3.23)0.49 (0.06 to 4.02)
    Normal1.001.001.001.001.001.00
    Overweight0.99 (0.55 to 1.78)1.29 (0.89 to 1.86)1.49 (0.70 to 3.19)1.28 (0.77 to 2.14)0.59 (0.23 to 1.55)1.30 (0.77 to 2.20)
    Obese1.63 (0.59 to 4.48)1.75 (1.05 to 2.92)1.28 (0.27 to 6.05)1.69 (0.84 to 3.38)2.04 (0.52 to 7.93)1.86 (0.87 to 3.94)
    p value‡0.890.0006**0.470.004*0.610.05
Asthma ever
    Underweight1.03 (0.56 to 1.90)1.01 (0.40 to 2.57)0.82 (0.31 to 2.20)0.49 (0.11 to 2.28)1.26 (0.57 to 2.78)2.47 (0.58 to 10.54)
    Normal1.001.001.001.001.001.00
    Overweight0.74 (0.41 to 1.35)1.27 (0.91 to 1.76)0.90 (0.38 to 2.12)1.52 (0.95 to 2.42)0.65 (0.28 to 1.49)1.10 (0.69 to 1.76)
    Obese1.01 (0.34 to 3.02)1.61 (1.00 to 2.58)1.18 (0.25 to 5.57)2.45 (1.29 to 4.66)0.90 (0.19 to 4.27)1.04 (0.51 to 2.13)
    p value‡0.730.004*0.820.0001**0.501.00
Hospital admission ever
    Underweight0.40 (0.12 to 1.33)2.50 (0.88 to 7.09)0.31 (0.04 to 2.37)4.11 (1.17 to 14.46)0.49 (0.11 to 2.11)0.99 (0.12 to 8.23)
    Normal1.001.001.001.001.001.00
    Overweight0.73 (0.32 to 1.63)1.42 (0.90 to 2.23)1.02 (0.34 to 3.06)1.04 (0.51 to 2.11)0.53 (0.16 to 1.79)1.86 (1.03 to 3.39)
    Obese2.11 (0.69 to 6.40)1.50 (0.79 to 2.86)1.13 (0.14 to 9.15)1.83 (0.78 to 4.29)3.20 (0.81 to 12.57)1.19 (0.44 to 3.25)
    p value‡0.320.270.420.430.540.43
Inhaled steroid or cromoglycate in last 12 months
    Underweight1.86 (0.79 to 4.36)0.66 (0.15 to 2.89)2.38 (0.63 to 9.02)0.54 (0.07 to 4.32)1.69 (0.55 to 5.18)0.83 (0.10 to 6.95)
    Normal1.001.001.001.001.001.00
    Overweight1.38 (0.59 to 3.21)1.21 (0.78 to 1.86)1.18 (0.25 to 5.54)0.97 (0.51 to 1.84)1.56 (0.57 to 4.32)1.48 (0.82 to 2.68)
    Obese0.87 (0.11 to 6.66)2.33 (1.35 to 4.00)2.73 (0.32 to 23.30)3.09 (1.53 to 6.26)††1.52 (0.62 to 3.69)
    p value‡0.800.002*0.890.0008**0.850.42
Medication in last 12 months
    Underweight1.08 (0.55 to 2.11)0.58 (0.17 to 2.02)0.67 (0.19 to 2.27)0.67 (0.14 to 3.12)1.48 (0.65 to 3.40)0.47 (0.06 to 3.87)
    Normal1.001.001.001.001.001.00
    Overweight0.77 (0.36 to 1.41)1.25 (0.87 to 1.80)0.69 (0.23 to 2.03)1.18 (0.71 to 1.97)0.74 (0.30 to 1.82)1.32 (0.79 to 2.22)
    Obese1.00 (0.29 to 3.42)1.96 (1.19 to 3.22)1.69 (0.35 to 8.02)2.31 (1.19 to 4.45)0.56 (0.07 to 4.43)1.57 (0.73 to 3.37)
    p value‡0.620.0007**0.850.001**0.400.18
BHR to exercise
    Underweight1.47 (0.76 to 2.85)0.53 (0.07 to 4.02)1.64 (0.64 to 4.23)0.75 (0.09 to 5.99)1.35 (0.53 to 3.42)§
    Normal1.001.001.001.001.001.00
    Overweight1.67 (0.95 to 2.93)1.05 (0.60 to 1.81)2.10 (0.96 to 4.59)0.94 (0.46 to 1.95)1.34 (0.59 to 3.04)1.15 (0.50 to 2.67)
    Obese1.20 (0.35 to 4.12)0.87 (0.36 to 2.10)0.82 (0.10 to 6.58)0.87 (0.29 to 2.59)1.60 (0.34 to 7.66)0.77 (0.17 to 3.44)
    p value‡0.850.870.920.780.880.90