Association of age of first cow’s milk exposure and first soya milk exposure with wheeze, atopy and asthma at age 23 years
| Exposure and outcome | No of subjects (censored) | Unadjusted HR (95% CI); p value | Adjusted* HR (95% CI); p value |
| Cow’s milk | |||
| Wheeze | 299 (129) | 0.67 (0.48 to 0.95); 0.02 | 0.64 (0.49 to 0.97); 0.02 |
| Atopy | 119 (52) | 0.67 (0.41 to 1.08); 0.1 | 0.62 (0.38 to 1.04); 0.07 |
| Asthma | 296 (129) | 0.53 (0.33 to 0.86); 0.005 | 0.53 (0.32 to 0.87); 0.012 |
| Soya milk | |||
| Wheeze | 297 (143) | 1.36 (0.98 to 1.87); 0.07 | 1.34 (0.96to 1.86); 0.09 |
| Atopy | 118 (55) | 1.69 (0.99 to 2.87); 0.05 | 1.77 (1.01 to 3.10); 0.04 |
| Asthma | 294 (143) | 1.52 (1.05 to 2.20); 0.03 | 1.47 (1.01 to 2.14); 0.05 |
*Adjusted for social class at age 1, parental allergy, gender and ever breast feeding.