| OR (95%CI) adjusted for matching factorsa | Multivariableb OR (95%CI) |
---|---|---|
All RA n = 284 outcomes from total n = 1133 | ||
 No asthma | 1.00 (Ref) | 1.00 (Ref) |
 Asthma | 1.55 (0.98, 2.45) | 1.45 (0.91, 2.31) |
Seropositive RA n = 177 outcomes from total n = 706 | ||
 No asthma | 1.00 (Ref) | 1.00 (Ref) |
 Asthma | 1.94 (1.10, 3.40) | 1.79 (1.01, 3.18) |
Seronegative RA n = 107 outcomes from total n = 427 | ||
 No asthma | 1.00 (Ref) | 1.00 (Ref) |
 Asthma | 1.00 (0.44, 2.27) | 0.97 (0.43, 2.21) |