Table 2 Frequencies and unadjusted odds ratios (ORs) of Substance Use, Tobacco Exposure and Use Variables, and Sociodemographic and Health Related Factors, as associated with past 30-day e-cigarette use in individuals aged 15–24 years, based on the Canadian Tobacco, Alcohol and Drugs Survey, 2017
| Â | N (%) | % E-cigarette Use in the past 30-days | E-cigarette Use in the past 30-days Unadjusted OR (95% CI) | P Values | E-cigarette Use in the past 30-days Adjusted OR (95% CI) | P Values |
|---|---|---|---|---|---|---|
Substance use (Last 12 months) | ||||||
 Illicit Drug Usea | ||||||
  No | 3,903,700 (91.15) | 4.3 | 1 |  | 1 |  |
  Yes | 378,900 (8.85) | 25.5 | 7.70 (5.2–11.5) | <  0.001 | 1.68 (1.0–2.9) | 0.060 |
 Marijuana | ||||||
  No | 3,166,554 (31.64) | 2.0 | 1 |  | 1 |  |
  Yes | 1,163,700 (68.36) | 17.3 | 10.31 (7.3–14.6) | <  0.001 | 4.17 (2.6–6.7) | <  0.001 |
 Alcohol | ||||||
  No | 1,248,800 (28.8) | 0.9 | 1 |  | 1 |  |
  Yes | 3,087,300 (71.2) | 8.3 | 10.18 (6.1–17.1) | <  0.001 | 5.08 (2.9–9.0) | <  0.001 |
Tobacco exposure variables | ||||||
 Household smoking | ||||||
  No | 3,419,300 (77.0) | 4.0 | 1 |  | 1 |  |
  Yes | 1,023,200 (23.0) | 13.3 | 3.63 (2.6–5.0) | <  0.001 | 1.73 (1.1–2.6) | 0.010 |
 Current smoking status | ||||||
  Never | 3,748,200 (84.4) | 3.2 | 1 |  | 1 |  |
  Former | 148,900 (3.4) | 10.7 | 4.39 (2.1–9.3) | <  0.001 | 2.45 (0.9–6.3) | 0.065 |
  Current | 546,400 (12.3) | 22.8 | 9.84 (7.0–13.9) | <  0.001 | 2.93 (1.8–4.7) | <  0.001 |
 Other tobacco productsb | ||||||
  No | 4,125,200 (93.1) | 4.8 | 1 |  | 1 |  |
  Yes | 304,800 (6.9) | 24.9 | 6.94 (4.5–10.8) | <  0.001 | 1.83 (1.0–3.3) | 0.048 |
Demographic and health related factors | ||||||
 Age | ||||||
  15–17 | 1,389,300 (31.3) | 5.9 | 1.12 (0.8–1.7) | 0.573 | 4.95 (3.1–7.9) | <  0.001 |
  18–21 | 1,901,700 (42.8) | 7.0 | 1.36 (1.0–1.9) | 0.080 | 2.08 (1.4–3.1) | <  0.001 |
  22–24 | 1,152,600 (25.9) | 5.3 | 1 |  | 1 |  |
 Sex | ||||||
  Female | 2,159,500 (48.6) | 3.3 | 1 |  | 1 |  |
  Male | 2,284,100 (51.4) | 8.8 | 2.83 (2.1–3.8) | <  0.001 | 2.28 (1.5–3.4) | <  0.001 |
 Indigenous status | ||||||
  No | 4,122,600 (82) | 6.0 | 1 |  | 1 |  |
  Yes | 186,400 (18) | 9.6 | 1.68 (1.0–2.8) | 0.052 | 0.78 (0.4–1.6) | 0.515 |
 Provincec | ||||||
  Western-BC | 594,400 (13.4) | 8.3 | 1 |  | 1 |  |
  Western-Parries | 849,900 (19.1) | 7.7 | 0.93 (0.5–1.7) | 0.799 | 0.93 (0.4–2.1) | 0.863 |
  Central | 2,730,400 (61.5) | 5.0 | 0.59 (0.3–1.1) | 0.078 | 0.63 (0.3–1.3) | 0.227 |
  Eastern-Atlantic | 268,900 (6.1) | 8.1 | 0.98 (0.5–1.8) | 0.945 | 1.05 (0.5–2.3) | 0.911 |
 Community dwelling | ||||||
  Rural | 898,800 (20.2) | 7.4 | 1 |  | 1 |  |
  Urban | 3,544,700 (79.8) | 5.9 | 0.78 (0.5–1.2) | 0.266 | 0.90 (0.5–1.5) | 0.691 |
 Current Employment | ||||||
  Not Employed | 1,756,300 (40.62) | 4.6 | 1 |  | 1 |  |
  Employed | 2,567,700 (59.38) | 7.1 | 1.57 (1.1–2.2) | 0.010 | 1.32 (0.9–2.0) | 0.188 |
 Self-perceived health | ||||||
  Very Good/Excellent | 3,256,600 (73.3) | 5.1 | 1 |  | 1 |  |
  Good | 998,600 (22.5) | 8.7 | 1.76 (1.3–2.5) | 0.001 | 1.26 (0.8–1.9) | 0.265 |
  Fair/Poor | 188,100 (4.2) | 10.1 | 2.07 (1.1–3.8) | 0.017 | 1.20 (0.5–2.7) | 0.668 |