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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

From: The association between alcohol, marijuana, illegal drug use and current use of E-cigarette among youth and young adults in Canada: results from Canadian Tobacco, Alcohol and Drugs Survey 2017

  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
  1. N is the weighted sample size based on the person weights provided by Statistics Canada [33]. Approximately 3.16% of the respondents did not provide information on one or more the variables. These cases were excluded from the regression analysis
  2. aIncludes: cocaine, speed/meth, ecstasy, hallucinogens, salvia, heroin, inhalants, abuse of pain relievers, stimulants and sedatives to get high in the past 12 months
  3. bCigarillo, Cigar, Tobacco Water-pipe and Smokeless tobacco
  4. cEastern Atlantic: Newfoundland & Labrador, Nova Scotia, Prince Edward Island & New Brunswick; Central: Quebec & Ontario; Western Prairies: Manitoba, Saskatchewan, & Alberta; and Western British Columbia: British Columbia