Table 1.
Unweighted sample characteristics of respondents at Wave 1 (2018).
| Chacteristics | Exclusive Smokers n = 2614 (72.6) |
Concurrent Users n = 986 (27.4) |
Chi-Square (χ2) Test between User Groups | All Respondents n = 3600 |
Overall Chi-Square |
|
|---|---|---|---|---|---|---|
| n (%) | n (%) | n (%) | ||||
| Gender | Male | 2026 (77.5) | 723 (73.3) | χ2 = 6.9, p = 0.009 | 2749 (76.4) | p < 0.0001 |
| Female | 588 (22.5) | 263 (26.7) | 851 (23.6) | |||
| Age group (years) | 20-29 | 197 (7.5) | 178 (18.1) | χ2 = 205.0, p < 0.0001 | 375 (10.4) | p < 0.0001 |
| 30-39 | 494 (18.9) | 310 (31.4) | 804 (22.3) | |||
| 40-59 | 1198 (45.8) | 372 (37.7) | 1570 (43.6) | |||
| ≥60 | 725 (27.7) | 126 (12.8) | 851 (23.6) | |||
| Education level | Low | 993 (38.0) | 318 (32.3) | χ2 = 52.4, p < 0.0001 | 1311 (36.4) | p < 0.0001 |
| Medium | 435 (16.6) | 168 (17.0) | 603 (16.8) | |||
| High | 1158 (44.3) | 495 (50.2) | 1653 (45.9) | |||
| Not reported | 28 (1.1) | 5 (0.5) | 33 (0.9) | |||
| Income | Low | 727 (27.8) | 189 (19.2) | χ2 = 14.5, p = 0.002 | 916 (25.4) | p < 0.0001 |
| Medium | 571 (21.8) | 247 (25.1) | 818 (22.7) | |||
| High | 956 (36.6) | 457 (46.4) | 1413 (39.3) | |||
| Not reported | 360 (13.8) | 93 (9.4) | 453 (12.6) | |||
| Smoking frequency | Daily | 2476 (94.7) | 924 (93.7) | χ2 = 1.4, p = 0.24 | 3400 (94.4) | p < 0.0001 |
| Non-daily | 5.3 (5.3) | 6.3 (6.3) | 200 (5.6) | |||
| HTP use frequency | Daily | — | 400 (40.6) | N/A | 400 (11.1) | p < 0.0001 |
| Weekly | — | 148 (15.0) | 148 (4.1) | |||
| Monthly | — | 94 (9.5) | 94 (2.6) | |||
| Less than monthly | — | 344 (34.9) | 344 (9.6) | |||
| Not at all | 2614 (100.0) | — | 2614 (72.6) | |||
| Concurrent User Group | Predominant smoker | — | 396 (40.2) | N/A | 528 (14.7) | p < 0.0001 |
| Concurrent-daily user | — | 528 (53.5) | 396 (11.0) | |||
| Concurrent non-daily user | — | 58 (5.9) | 58 (1.6) | |||
| Predominant HTP user | — | 4 (0.4) | 4 (0.1) | |||
Predominant smokers: Smoke cigarettes daily and use HTPs less than daily; Concurrent-daily users: Smoke cigarettes and use an HTP daily; Concurrent non-daily users: does not smoke cigarettes or use an HTP daily; predominant HTP user: daily HTP use; non-daily smoker. HTP: Heated tobacco product. N/A: Not applicable.