Prevalence odds ratio (POR) for smoking ≥21 cigarettes per day (cpd) versus smoking ≤20 cpd associated with cigarette menthol content
| Blacks | Whites | |||||||
|---|---|---|---|---|---|---|---|---|
| Cigarette flavouring | Mean (SD) cpd | ≥21 cpd (%) | ≤20 cpd (%) | POR (95% CI)* | Mean (SD) cpd | ≥21 cpd (%) | ≤20 cpd (%) | POR (95% CI)* |
| *Adjusted for age, education, case–control status, sex, and years of smoking. | ||||||||
| Current smokers | ||||||||
| Non-menthol | 20.9 (12.7) | 234 (70.9) | 570 (61.0) | 1.0 | 29.3 (15.4) | 3895 (85.4) | 3300 (83.4) | 1.0 |
| Menthol | 18.2 (10.8) | 96 (29.1) | 365 (39.0) | 0.7 (0.5 to 0.9) | 28.0 (15.5) | 667 (14.6) | 656 (16.6) | 0.9 (0.8 to 1.0) |
| Former smokers | ||||||||
| Non-menthol | 21.0 (15.4) | 124 (76.1) | 323 (67.6) | 1.0 | 28.6 (18.3) | 3891 (89.1) | 4174 (88.4) | 1.0 |
| Menthol | 18.0 (12.6) | 39 (23.9) | 155 (32.4) | 0.6 (0.4 to 0.9) | 28.2 (19.3) | 477 (10.9) | 548 (11.6) | 0.9 (0.8 to 1.0) |