327 cases with mild asthma (no waking in past month) OR (95% CI)3-150 |
211 cases with moderately severe asthma (waking twice a week or less) OR (95% CI)3-150 | 100 cases with very severe asthma (waking more than twice a week) OR (95% CI)3-150 | |
Aspirin | |||
Never | 1 | 1 | 1 |
<Monthly | 1.10 (0.81 to 1.51) | 1.02 (0.69 to 1.51) | 0.91 (0.49 to 1.69) |
Monthly | 0.85 (0.50 to 1.46) | 1.01 (0.56 to 1.82) | 1.21 (0.47 to 3.12) |
Weekly | 0.79 (0.40 to 1.56) | 0.47 (0.19 to 1.21) | 3.17 (1.37 to 7.32) |
Daily | 0.93 (0.32 to 2.73) | 0.48 (0.10 to 2.32) | 1.96 (0.58 to 6.70) |
p (trend) = 0.600 | p (trend) = 0.200 | p (trend) = 0.021 | |
Paracetamol | |||
Never | 1 | 1 | 1 |
<Monthly | 0.92 (0.62 to 1.37) | 0.96 (0.58 to 1.56) | 1.38 (0.68 to 2.82) |
Monthly | 1.10 (0.72 to 1.68) | 1.28 (0.77 to 2.14) | 1.16 (0.53 to 2.55) |
Weekly | 1.56 (0.95 to 2.57) | 1.73 (0.95 to 3.13) | 2.50 (1.14 to 5.47) |
Daily | 1.35 (0.55 to 3.34) | 2.25 (0.90 to 5.66) | 8.15 (2.84 to 23.40) |
p (trend) = 0.048 | p (trend) = 0.0079 | p (trend) = 0.0004 |
↵3-150 Controlling for other analgesic and factors listed in table1.