| Intention to quit scale | 642.0 (100.0%) |
| 0 = no thought of quitting | 159.3 (24.8%) |
| 1 | 32.3 (5.0%) |
| 2 = think I need to consider quitting someday | 168.6 (26.3%) |
| 3 | 12.7 (2.0%) |
| 4 | 13.4 (2.1%) |
| 5 = think I should quit but am not quite ready | 116.4 (18.1%) |
| 6 | 11.5 (1.8%) |
| 7 | 9.9 (1.5%) |
| 8 = starting to think about how to change my smoking patterns | 41.5 (6.5%) |
| 9 | 4.8 (0.7%) |
| 10 = taking action to quit (i.e. cutting down) | 64.8 (10.1%) |
| Missing | 7.0 (1.1%) |
| Ever tried to quit | |
| No | 298.4 (46.5%) |
| Yes | 339.6 (52.9%) |
| Missing | 4.0 (0.6%) |
| When was the last quit attempt (of those who ever tried to quit) | 339.6 (100.0%) |
| < 3 months ago | 49.5 (14.6%) |
| 3–6 months ago | 22.2 (6.5%) |
| 6–12 months ago | 22.5 (6.6%) |
| > 12 months ago | 240.1 (70.7%) |
| Missing | 5.3 (1.6%) |
| How long was the last quit attempt | 339.6 (100.0%) |
| < 1 day | 48.0 (14.1%) |
| 1–7 days | 118.5 (34.9%) |
| > 7 days–< 30 | 46.4 (13.7%) |
| > 30 days–< 6 months | 52.0 (15.3%) |
| > 6 months–< 1 year | 25.1 (7.4%) |
| ≥ 1 year | 46.0 (13.5%) |
| Missing | 3.6 (1.1%) |
