Table 2.
Demographics of the subjects in the study (N=121).
| Characteristics | Values | |
| Age (years), mean (SD) | 35.2 (9.8) | |
| Age (years), n (%) | ||
| 16-19 | 0 (0.0) | |
| 20-29 | 40 (32.8) | |
| 30-39 | 42 (34.4) | |
| 40-49 | 23 (18.9) | |
| 50-59 | 13 (10.7) | |
| 60 | 1 (0.8) | |
| Missing | 3 (2.5) | |
| Sex, n (%) | ||
| Female | 60 (49.2) | |
| Male | 59 (48.4) | |
| Missing | 3 (2.5) | |
| Smoking frequency, n (%) | ||
| Once a day | 5 (4.1) | |
| 2-5 times a day | 20 (16.4) | |
| 6-10 times a day | 29 (23.8) | |
| 11-19 times a day | 48 (39.3) | |
| ≥20 times a day | 19 (15.6) | |
| Missing | 1 (0.8) | |
| Last quit attempt, n (%) | ||
| Never | 16 (13.1) | |
| >12 months | 30 (24.6) | |
| 7-12 months | 10 (8.2) | |
| 4-6 months | 14 (11.5) | |
| 1-3 months | 15 (12.3) | |
| Currently trying | 14 (11.5) | |
| Missing | 23 (18.8) | |
| Employment status, n (%) | ||
| Full time | 61 (50.0) | |
| Part time | 21 (17.2) | |
| Not in paid work | 17 (13.9) | |
| Unemployed (and job seeking) | 15 (12.3) | |
| Other | 7 (5.7) | |
| Missing | 1 (0.8) | |
| Country of residence, n (%) | ||
| United Kingdom | 66 (54.1) | |
| United States | 50 (41.0) | |
| Canada | 6 (4.9) | |