Smoking exposure | Asthma | Bronchitis/emphysema | “Any OAD” | |||
---|---|---|---|---|---|---|
OR (95% CI) | OR (95% CI) | OR (95% CI) | ||||
Unadjusted | Adjusted | Unadjusted | Adjusted | Unadjusted | Adjusted | |
*p⩽0.0001. | ||||||
The reference categories were less than 10 cigarettes per day, less than 10 years of smoking, and less than 10 pack years of cumulative smoking. | ||||||
The unadjusted odds ratio is the univariate association of each smoking exposure. The adjusted odds ratio is the mutually adjusted odds ratio. | ||||||
Per 10 cigarettes/day | 1.02 (0.95 to 1.09) | 0.96 (0.85 to 1.08) | 1.20* (1.13 to 1.28) | 1.00 (0.90 to 1.11) | 1.12* (1.07 to 1.18) | 0.96 (0 .88 to 1.05) |
Per 10 years of smoking | 1.00 (0.96 to 1.04) | 0.97 (0.91 to 1.03) | 1.15* (1.11 to 1.20) | 1.06 (1.00 to 1.11) | 1.08* (1.05 to 1.11) | 1.00 (0.96 to 1.05) |
Per 10 pack years smoked | 1.01 (0.98 to 1.05) | 1.05 (0.98 to 1.13) | 1.16* (1.13 to 1.20) | 1.14* (1.07 to 1.21) | 1.10* (1.07 to 1.13) | 1.12* (1.07 to 1.19) |