Prevalence of reported symptoms (%) indicating severity of asthma, rhinitis, and eczema
| Symptom | OR (95% CI) | Boys (n = 1455) | Girls (n = 1545) | Boy:girl ratio | All children (n = 3000) |
|---|---|---|---|---|---|
| Wheeze in past year | |||||
| Number of wheezing episodes | |||||
| 1 to 3 | 13.4 | 8.8 | 1.5 | 10.8 | |
| 4 to 12 | 5.6 | 4.5 | 1.2 | 5.1 | |
| > 12 | 0.86 (0.49 to 1.48) | 2.4 | 1.7 | 1.4 | 1.8 |
| Woken by wheeze | |||||
| < 1 each week | 9.4 | 5.4 | 1.7 | 7.4 | |
| ⩾ 1 each week | 1.39 (1.09 to 1.75) (p < 0.01) | 6.3 | 5.3 | 1.2 | 5.7 |
| Limitation of speech during wheezing attack | 1.07 (0.60 to 1.92) | 4.2 | 3.1 | 1.4 | 3.5 |
| Rhinitis in past year | |||||
| Interference with daily activity | |||||
| Little | 11.9 | 8.8 | 1.4 | 10.4 | |
| Moderate | 2.4 | 1.5 | 1.6 | 1.9 | |
| Severe | 0.4 | 0.7 | 0.5 | ||
| Rashes in past year | |||||
| Persistent rash without clearing | 6.5 | 7.0 | 6.2 | ||
| Kept awake by rash | |||||
| < 1 each week | 4.0 | 5.1 | 4.5 | ||
| ⩾ 1 each week | 0.59 (0.29 to 1.25) | 2.5 | 2.3 | 2.1 | |
CI, confidence interval; OR, odds ratio.