Table 2.
Baseline Demographic Characteristics by Randomization Group
| Variables | mTHS | mCC | SA | Total |
|---|---|---|---|---|
| N | 80 | 41 | 39 | 160 |
| Age (y) | ||||
| Mean ± SD | 39.2 ± 11.72 | 33.7 ± 10.17 | 38.8 ± 11.42 | 37.7 ± 11.45 |
| Range | 22–66 | 23–60 | 22–58 | 22–66 |
| Sex, n (%) | ||||
| Male | 48 (60.0) | 24 (58.5) | 24 (61.5) | 96 (60.0) |
| Female | 32 (40.0) | 17 (41.5) | 15 (38.5) | 64 (40.0) |
| Race, n (%) | ||||
| White | 49 (61.3) | 28 (68.3) | 22 (56.4) | 99 (61.9) |
| Black or African American | 23 (28.8) | 11 (26.8) | 17 (43.6) | 51 (31.9) |
| Other | 7 (8.8) | 2 (4.9) | 0 | 9 (5.6) |
| Missing | 1 (1.3) | 0 | 0 | 1 (0.6) |
| BMI (kg/m2) | ||||
| Mean ± SD | 27.0 ± 4.11 | 25.8 ± 3.67 | 26.2 ± 3.76 | 26.5 ± 3.93 |
| Range | 19.1–34.9 | 18.6–32.9 | 19.4–34.3 | 18.6–34.9 |
| FTND total score | ||||
| Mean ± SD | 5.6 ± 2.25 | 5.5 ± 1.67 | 5.7 ± 2.14 | 5.6 ± 2.08 |
| Range | 0–10 | 1–9 | 2–9 | 0–10 |
| Daily mCC consumption, n (%) | ||||
| 10–19 | 43 (53.8) | 21 (51.2) | 18 (46.2) | 82 (51.3) |
| >19 | 36 (45.0) | 20 (48.8) | 21 (53.8) | 77 (48.1) |
| Missing | 1 (1.3) | 0 | 0 | 1 (0.6) |
BMI = body mass index; FTND = Fagerström Test for Nicotine Dependence (Revised Version); mCC = menthol cigarette; mTHS = Tobacco Heating System 2.2 Menthol; SA = smoking abstinence.