Characteristics of smokers participating in the ITC Four Country Smoking and Vaping Canada Survey at Wave 1 (2016) who were recontacted at Wave 2 (2018) (N=1236)
| Characteristic | Total, N=1236 | Menthol smokers, n=138 | Non-menthol smokers, n=1098 | Menthol vs non-menthol comparison p-value |
| Unweighted n (%) | Unweighted n (%) | Unweighted n (%) | ||
| Demographics | ||||
| Sex | ||||
| Female | 638 (51.6) | 78 (56.5) | 560 (51.0) | 0.221 |
| Male | 598 (48.4) | 60 (43.5) | 538 (49.0) | |
| Age group (years) | ||||
| 18–24 | 163 (13.2) | 23 (16.7) | 140 (12.8) | 0.016 |
| 25–39 | 284 (23.0) | 37 (26.8) | 247 (22.5) | |
| 40–54 | 406 (32.8) | 47 (34.1) | 359 (32.7) | |
| 55+ | 383 (31.0) | 31 (22.5) | 352 (32.1) | |
| Ethnicity | ||||
| White | 1054 (85.3) | 114 (82.6) | 940 (85.6) | 0.375 |
| Non-White | 166 (13.4) | 22 (15.9) | 144 (13.1) | |
| Not reported | 16 (1.3) | 2 (1.4) | 14 (1.3) | |
| Household income | ||||
| Low (<$45 000) | 485 (39.2) | 52 (37.7) | 433 (39.4) | 0.873 |
| Moderate ($45 000–$74 999) | 312 (25.2) | 36 (26.1) | 276 (25.1) | |
| High (≥$75 000) | 347 (28.1) | 41 (29.7) | 306 (27.9) | |
| Not reported | 92 (7.4) | 9 (6.5) | 83 (7.6) | |
| Education | ||||
| Low (high school or less) | 355 (28.7) | 32 (23.2) | 323 (29.4) | 0.009 |
| Moderate (trade school/community college/some university) | 553 (44.7) | 55 (39.9) | 498 (45.4) | |
| High (university/post-graduate) | 321 (26.0) | 50 (36.2) | 271 (24.7) | |
| Not reported | 7 (0.6) | 1 (0.7) | 6 (0.5) | |
| Wave 1 predictors | ||||
| HSI (mean) | 1114 (2.3) | 997 (2.3) | 117 (2.2) | 0.446 |
| Quit attempt | ||||
| No | 537 (43.5) | 56 (40.6) | 481 (43.8) | 0.47 |
| Yes | 699 (56.6) | 82 (59.4) | 617 (56.2) | |
| Intentions to quit in next 6 months | ||||
| No | 319 (25.8) | 31 (22.5) | 288 (26.2) | 0.334 |
| Yes | 917 (74.2) | 107 (77.5) | 810 (73.8) | |
| Time-in-sample | ||||
| First survey | 964 (78.0) | 112 (81.2) | 852 (77.6) | 0.226 |
| 2 surveys | 177 (14.3) | 15 (10.9) | 162 (14.8) | |
| >2 surveys | 95 (7.7) | 11 (8.0) | 84 (7.7) |
HSI, Heaviness of Smoking Index.