Severity of asthma symptoms and treatment across deprivation quintiles
| Deprivation quintile | ||||||
|---|---|---|---|---|---|---|
| 1 (least) | 2 | 3 | 4 | 5 (most) | χ2for trend | |
| Figures given as number/denominator (%); NS=no significant difference. | ||||||
| Wheeze attacks >3 per year | 52/1087 (4.8%) | 66/931 (6.9%) | 78/750 (10.7%) | 66/813 (8.3%) | 68/700 (9.6%) | 16.8 (p<0.001) |
| Odds ratio (95% CI) | 1 | 1.52 (1.04 to 2.21) | 2.31 (1.61 to 3.32) | 1.76 (1.21 to 2.56) | 2.14 (1.47 to 3.11) | |
| Night wheeze ≥1/week | 32/1088 (3.1%) | 40/928 (4.3%) | 59/745 (7.9%) | 55/812 (6.5%) | 52/700 (7.7%) | 22.8 (p<0.001) |
| Odds ratio (95% CI) | 1 | 1.49 (0.93 to 2.39) | 2.84 (1.83 to 4.41) | 2.40 (1.54 to 3.74) | 2.65 (1.69 to 4.16) | |
| Night cough ≥1/week | 47/1089 (4.3%) | 62/932 (6.7%) | 75/759 (9.9%) | 92/819 (11.3%) | 88/708 (12.6%) | 50.7 (p<0.001) |
| Odds ratio (95% CI) | 1 | 1.58 (1.07 to 2.33) | 2.43 (1.67 to 3.55) | 2.81 (1.95 to 4.04) | 3.15 (2.18 to 4.55) | |
| Speech limiting wheeze | 21/1089 (1.6%) | 26/927 (2.7%) | 33/743 (4.2%) | 22/810 (2.6%) | 16/695 (2.4%) | 1.56 (NS) |
| Odds ratio (95% CI) | 1 | 1.47 (0.82 to 2.63) | 2.36 (1.36 to 4.12) | 1.42 (0.78 to 2.60) | 1.20 (0.62 to 2.31) | |