Logistic regression model examining the effect of village characteristics on the prevalence of chronic bronchitis, adjusting for age and sex
| Unadjusted OR (95% CI) | p value | Adjusted OR (95% CI) | p value | |
|---|---|---|---|---|
| Village (0=indoor; 1=outdoor) | 0.5 (0.2 to 0.9) | 0.0260 | 0.4 (0.2 to 0.8) | 0.0102 |
| Age (0=20–40; 1=>40) | 4.0 (1.9 to 8.5) | 0.0002 | 4.3 (2.0 to 9.3) | 0.0002 |
| Sex (0=male; 1=female) | 0.8 (0.4 to 1.6) | 0.5050 | 0.8 (0.4 to 1.6) | 0.4659 |