Table 2.
Baseline characteristics of the participants included in the transition classification analysis (n = 31) *, based on their transition classification after 12 weeks of study enrolment.
| Dual Use n = 21 (67.7%) |
ENDS Use Only n = 9 (29.0%) |
Smoking Only n = 1 (3.3%) |
|
|---|---|---|---|
| Age, median (Q1 to Q3) † | 36 (23 to 49) | 40 (31 to 49) | 37 (NA) |
| Sex, n (row %) | |||
| Male | 11 (73.3) | 4 (26.7) | 0 (0) |
| Female | 10 (62.5) | 5 (31.3) | 1 (6.2) |
| Prioritised ethnicity, n (row %) | |||
| Māori | 6 (75.0) | 2 (25.0) | 0 (0) |
| New Zealand European | 14 (63.6) | 7 (32.8) | 1 (4.6) |
| Other Asian | 1 (100) | 0 (0) | 0 (0) |
| Education, n (row %) | |||
| Above high school | 9 (60.0) | 5 (33.3) | 1 (6.7) |
| High school or below | 12 (75.0) | 4 (25.0) | 0 (0) |
| Age at first puff of cigarette (years), n (row %) | |||
| <13 | 7 (70.0) | 3 (30.0) | 0 (0) |
| ≥13 and <19 | 14 (66.7) | 6 (28.6) | 1 (4.7) |
| ≥19 | 0 (0) | 0 (0) | 0 (0) |
| Age at first weekly cigarette smoking (years), n (row %) | |||
| <13 | 1 (50.0) | 1 (50.0) | 0 (0) |
| ≥13 and <19 | 18 (72.0) | 6 (24.0) | 1 (4.0) |
| ≥19 | 2 (50.0) | 2 (50.0) | 0 (0) |
| Tobacco type, n (row %) | |||
| Roll-your-own | 10 (71.4) | 4 (28.6) | 0 (0) |
| Tailor-made | 7 (63.6) | 3 (27.3) | 1 (9.1) |
| Both | 4 (66.7) | 2 (33.3) | 0 (0) |
| Ever-tried to quit smoking, n (row %) | |||
| Yes | 17 (70.8) | 6 (25.0) | 1 (4.2) |
| No | 4 (57.1) | 3 (42.9) | 0 (0) |
| Ever-tried ENDS, n (row %) | |||
| Yes | 13 (68.4) | 5 (26.3) | 1 (5.3) |
| No | 8 (66.7) | 4 (33.3) | 0 (0) |
| Ever-owned ENDS, n (row %) | |||
| Yes | 2 (50.0) | 1 (25.0) | 1 (25.0) |
| No | 19 (70.4) | 8 (29.6) | 0 (0) |
| Confidence in quitting smoking, median (Q1 to Q3) | 78 (68 to 88) | 84 (73 to 94) | 50 (NA) |
* Only those participants who both (a) were enrolled and provided at least some survey responses for at least 12 weeks from their intake session, and (b) had “complete” study week data for each of the weeks 9–12. † Q1 and Q3 are the lower and upper quartiles, respectively.