| Characteristics | Current asthma | p Value | |
| Yes (n = 85) | No (n = 148) | ||
| Boys | 58 (68.2) | 82 (55.4) | 0.054 |
| Age at 2 y visit (months) | 26.0 (3.0) | 26.0 (2.7) | 0.98 |
| Age at 10 y visit (y) | 10.3 (0.7) | 10.4 (0.7) | 0.22 |
| Weight at 2 y visit (kg) | 13.5 (1.7) | 13.4 (1.4) | 0.91 |
| Weight at 10 y visit (kg) | 38.7 (8.7) | 37.3 (7.4) | 0.22 |
| Height at 2 y visit (cm) | 89.4 (4.2) | 88.9 (3.6) | 0.45 |
| Height at 10 y visit (cm) | 143.1 (7.3) | 144.1 (7.1) | 0.35 |
| Atopic dermatitis by 2 y | 38 (44.7) | 50 (34.0) | 0.11 |
| Parental atopy by 2 y* | 51 (60.0) | 78 (52.7) | 0.28 |
| Allergic skin sensitisation at 2 y visit† | 11 (13.6) | 11 (7.7) | 0.16 |
| Hospital admissions due to bronchial obstruction 0–2 y (No of children) | 39 (45.9) | 43 (29.1) | 0.01 |
| No of hospital admissions due to bronchial obstruction 0–2 y | 0.8 (0.5–1.0) | 0.4 (0.3–0.6) | 0.014 |
| Severity score at 2 y | 5.5 (4.9–6.1) | 4.0 (3.6–4.5) | <0.001 |
For definition of current asthma, see table 1.
Data are presented as number (%) or mean (SD). Severity scores and number of hospital admissions are presented as mean (95% CI).
*Parental atopy: asthma and/or allergic rhinitis reported in at least one parent.
†Allergic skin sensitisation considered positive with ⩾1 positive skin prick test to common allergens.