Baseline characteristics of current and non-current e-cigarette users among students who reported never smoking cigarettes at baseline, 2013–2016 COMPASS study
| Variable | Current (past-30 day) e-cigarette users | χ² | |||
| No (n=9295) | Yes (n=206) | df | P values | ||
| Grade | 9 | 54.8 (5098) | 51.5 (106) | 2 | 0.6117 |
| 10 | 42.2 (3923) | 45.6 (94) | |||
| 11 | 2.9 (274) | 2.9 (6) | |||
| Gender | Female | 52.6 (4889) | 37.9 (78) | 1 | <0.0001 |
| Male | 47.4 (4406) | 62.1 (128) | |||
| Race | White | 70.9 (6590) | 65.0 (134) | 5 | 0.0015 |
| Black | 2.6 (239) | 4.9 (10) | |||
| Asian | 4.7 (440) | 1.0 (2) | |||
| Off-Reserve Aboriginal | 0.9 (83) | 1.9 (4) | |||
| Hispanic/Latin American | 1.0 (97) | 2.4 (5) | |||
| Other/Mixed | 19.9 (1846) | 24.8 (51) | |||
| Number of friends who smoke cigarettes | None | 81.7 (7594) | 63.6 (131) | 3 | <0.0001 |
| 1 | 10.7 (997) | 19.4 (40) | |||
| 2 | 4.4 (408) | 8.7 (18) | |||
| 3 or more | 3.2 (296) | 8.3 (17) | |||
| Susceptibility to future cigarette smoking | Not susceptible | 71.2 (6616) | 35.4 (73) | 1 | <0.0001 |
| Susceptible | 28.8 (2679) | 64.6 (133) | |||
| Weekly spending money | 0 | 21.8 (2022) | 11.2 (23) | 4 | <0.0001 |
| $1–$20 | 38.6 (3584) | 36.9 (76) | |||
| $21–$100 | 20.4 (1898) | 29.1 (60) | |||
| More than $100 | 4.9 (454) | 9.7 (20) | |||
| I don’t know how much money I get each week/Not stated | 14.1 (1337) | 13.1 (27) | |||