Table 1.
Current smoking prevalence and odds ratios
| Age Group (years) | N (% of Smokers) |
Crude OR (95% CI) | Adjusted ORa (95% CI) | |
|---|---|---|---|---|
| Case | Control | |||
| Men | ||||
| 30–39 | 310 (49.4) | 620 (59.8) | 0.65 (0.50–0.86) | 0.69 (0.51–0.90) |
| 40–49 | 372 (55.4) | 744 (61.4) | 0.78 (0.61–1.00) | 0.78 (0.61–1.00) |
| 50–59 | 744 (62.5) | 1488 (59.5) | 1.13 (0.95–1.36) | 1.13 (0.95–1.36) |
| 60–69 | 726 (64.6) | 1452 (58.7) | 1.29 (1.07–1.55) | 1.29 (1.07–1.55) |
| ≥70 | 448 (58.0) | 896 (48.2) | 1.49 (1.18–1.87) | 1.47 (1.16–1.85) |
| Total | 2600 (59.7) | 5200 (57.7) | 1.09 (0.99–1.20) | 1.09 (0.99–1.20) |
| Women | ||||
| 30–39 | 293 (2.1) | 586 (2.2) | 0.92 (0.35–2.45) | 0.91 (0.34–2.43) |
| 40–49 | 287 (6.6) | 574 (8.0) | 0.81 (0.47–1.42) | 0.81 (0.47–1.42) |
| 50–59 | 570 (19.7) | 1140 (16.7) | 1.22 (0.94–1.58) | 1.23 (0.95–1.59) |
| 60–69 | 500 (24.4) | 1000 (20.8) | 1.23 (0.95–1.59) | 1.23 (0.95–1.59) |
| ≥70 | 306 (22.2) | 612 (18.8) | 1.24 (0.88–1.73) | 1.40 (0.99–1.98) |
| Total | 1956 (16.7) | 3912 (14.6) | 1.17 (1.01–1.36) | 1.16 (1.00–1.35) |
Abbreviations: CI, confidence interval; OR, odds ratio.
aAdjusted for age and urban or rural residence.