TABLE 2.
Descriptive Statistics for Demographics and Smoking History
| Characteristic | Menthol (n = 1044) | Nonmenthol (n = 2297) |
|---|---|---|
| Age (years) | ||
| Mean (SD) | 41.8 (12.1) | 42.0 (13.0) |
| Range (min, max) | (21, 76) | (21, 80) |
| Gender, No. (%) | ||
| Female | 664 (63.6) | 1258 (54.8) |
| Male | 380 (36.4) | 1039 (45.2) |
| Race, No. (%) | ||
| African American | 448 (42.9) | 166 (7.2) |
| White | 596 (57.1) | 2131 (92.8) |
| BMI (kg/m2) | ||
| Mean (SD) | 28.57 (7.33) | 27.31 (6.29) |
| Range (min, max) | (16.0, 66.7) | (15.0, 70.0) |
| Annual Household Income, No. (%) | ||
| <$20,000 | 374 (36.0) | 604 (26.4) |
| $20,000–$49,999 | 451 (43.4) | 1083 (47.3) |
| ≥$50,000 | 214 (20.6) | 603 (26.3) |
| Number missing | 5 | 7 |
| Education, No. (%) | ||
| <High school graduate | 114 (11.0) | 163 (7.1) |
| High school graduate | 756 (72.8) | 1745 (76.4) |
| College graduate | 168 (16.2) | 375 (16.4) |
| Number missing | 6 | 14 |
| Region, No. (%) | ||
| Midwest | 203 (19.4) | 525 (22.9) |
| Northeast | 179 (17.1) | 251 (10.9) |
| South | 471 (45.1) | 745 (32.4) |
| West | 191 (18.3) | 776 (33.8) |
| Cigarettes smoked per day, Mean (SD) and No. (%) | ||
| Mean (SD) | 15.0 (8.7) | 16.8 (9.0) |
| Range (min, max) | (1, 54) | (1, 84) |
| 1–10 CPD | 374 (35.8) | 594 (25.9) |
| 11–20 CPD | 442 (42.3) | 1054 (45.9) |
| 21–30 CPD | 168 (16.1) | 479 (20.9) |
| <30 CPD | 59 (5.7) | 165 (7.2) |
| Number missing | 1 | 5 |
| Tar category, No. (%) | ||
| ≤2.9 mg | 154 (14.8) | 326 (14.2) |
| 3.0–6.9 mg | 198 (19.0) | 694 (30.2) |
| 7.0–12.9 mg | 239 (22.9) | 753 (32.8) |
| ≥13.0 mg | 453 (43.4) | 524 (22.8) |