Prevalence of asthma (wheeze or asthma attacks), asthma attacks and persistent wheeze in the 14 908 children, stratified by sample, with odds ratios relative to the England and Scotland white representative sample
| White representative (n=9507) | Inner city England (n=5401) | |||||||
|---|---|---|---|---|---|---|---|---|
| n | % | OR | % | OR | 95% CI | p value | ||
| Asthma | 2589 | 17.0 | 1.0 | 17.9 | 1.06 | 0.9 to 1.1 | 0.1 | |
| Asthma attacks | 1255 | 9.0 | 1.0 | 7.4 | 0.86 | 0.7 to 0.9 | 0.01 | |
| Persistent wheeze | 824 | 4.1 | 1.0 | 8.0 | 2.03 | 1.8 to 2.3 | <0.0001 | |