Distribution of child participants between outcome groups
| Wheeze outcome | N (%) |
| Current doctor-diagnosed asthma (aged 6 years) | 87/860 (10.1) |
| Current wheeze in the last 12 months (aged 6 years) | 117/860 (13.6) |
| Ever wheezed at or before 6 years | 504/856 (58.9) |
| Never wheezed | 352/856 (41.8) |
| Transient wheeze (before 3 years not after) | 367/856 (42.0) |
| Persistent/late wheeze (beyond or after 3 years) | 137/856 (16.0) |
| Atopic persistent/late wheeze | 46/632 (7.3) |
| Non-atopic persistent/late wheeze | 48/632 (7.6) |
| Atopic outcome | |
| Skin sensitisation | 158/635 (24.9) |