| Wheezing phenotype | Maternal asthma Odds ratio (95% CI) | Maternal allergy Odds ratio (95% CI) |
| Transient early | 2.26 (1.62 to 3.15) | 1.37 (1.11 to 1.71) |
| Prolonged early | 2.68 (1.89 to 3.78) | 1.79 (1.40 to 2.29) |
| Intermediate | 3.54 (2.21 to 5.67) | 1.53 (1.05 to 2.22) |
| Late | 2.37 (1.58 to 3.57) | 1.41 (1.06 to 1.88) |
| Persistent | 4.17 (3.12 to 5.56) | 2.09 (1.67 to 2.62) |
| Never/infrequent | 1 (reference) | 1 (reference) |