Table 3

Association between asthma of differing severity and use of analgesics

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
 Never111
 <Monthly1.10 (0.81 to 1.51)1.02 (0.69 to 1.51)0.91 (0.49 to 1.69)
 Monthly0.85 (0.50 to 1.46)1.01 (0.56 to 1.82)1.21 (0.47 to 3.12)
 Weekly0.79 (0.40 to 1.56)0.47 (0.19 to 1.21)3.17 (1.37 to 7.32)
 Daily0.93 (0.32 to 2.73)0.48 (0.10 to 2.32)1.96 (0.58 to 6.70)
p (trend) = 0.600p (trend) = 0.200p (trend) = 0.021
Paracetamol
 Never111
 <Monthly0.92 (0.62 to 1.37)0.96 (0.58 to 1.56)1.38 (0.68 to 2.82)
 Monthly1.10 (0.72 to 1.68)1.28 (0.77 to 2.14)1.16 (0.53 to 2.55)
 Weekly1.56 (0.95 to 2.57)1.73 (0.95 to 3.13)2.50 (1.14 to 5.47)
 Daily1.35 (0.55 to 3.34)2.25 (0.90 to 5.66)8.15 (2.84 to 23.40)
p (trend) = 0.048p (trend) = 0.0079p (trend) = 0.0004
  • 3-150 Controlling for other analgesic and factors listed in table1.