Table 1

Prevalence of ever, past 30-day and daily e-cigarette use among Canadians aged 15 years or older in 2017 (CTADS) and 2019 (CTNS), overall and by smoking status and age group. N2017=16 349, N2019=8603. Data are weighted % (95% confidence intervals) and unweighted N.

Ever e-cigarette usePast 30-day e-cigarette useDaily e-cigarette use
2017 (n=3060)2019 (n=1600)2017 (n=820)2019 (n=509)2017 (n=270)2019 (n=220)
Overall12.2 (11.0–13.5)16.2 (15.3–17.2)2.8 (2.3–3.5)4.7 (4.2–5.3)1.0 (0.7–1.3)2.1 (1.8–2.5)
By age group
 15–19 years21.3 (19.2–23.5)36.0 (33.0–39.1)6.3 (5.1–7.6)15.1 (13.0–17.6)4.7 (3.5–6.2)
 20–24 years26.1 (23.8–28.6)48.2 (44.7–51.7)6.0 (4.8–7.4)15.2 (13.0–17.8)5.8 (4.4–7.8)
 25+ years*10.2 (8.8–11.7)11.9 (10.9–13.0)2.3 (1.7–3.1)2.9 (2.4–3.5)1.6 (1.2–2.0)
  25–3427.1 (23.4–31.1)6.5 (4.5–9.1)†
  35–4413.8 (11.6–16.4)3.5 (2.5–5.1)†
  45–549.8 (7.9–12.0)2.9 (1.9–4.3)†
  55–647.9 (6.4–9.8)
  65+3.5 (2.7–4.6)
By smoking status
 Current smoker44.3 (38.5–50.1)47.9 (43.9–52)12.2 (9.3–15.8)15.4 (12.8–18.5)3.0 (2.0–4.4)†6.1 (4.6–8.0)
 Former smoker9.4 (7.0–12.6)13.0 (11.3–14.8)2.2 (1.4–3.5)†4.8 (3.8–6.0)1.7 (1.0–2.9)†4.0 (3.1–5.2)
 Never smoker6.7 (5.6–7.9)11.6 (10.7–12.7)0.7 (0.6–1.0)2.7 (2.3–3.2)0.1 (0.1–0.2)†0.6 (0.4–0.8)
By age and smoking status
 15–19 years
  Current smoker71.8 (62.1–79.8)96.2 (85.9–99.1)30.4 (23.4–38.5)59.5 (44.7–72.8)14.3 (9.8–20.5)†
  Former smoker
  Never smoker17.8 (15.8–20)31.9 (28.9–35.0)4.1 (3.1–5.5)11.9 (10.0–14.2)3.2 (2.2–4.6)†
 20–24 years
  Current smoker68.4 (60.4–75.5)85.7 (77–91.4)21.7 (16.9–27.5)43.4 (34.1–53.2)5.2 (3.4–8.0)†
  Former smoker50.3 (32.6–68.0)95 (85.5–98.4)61.3 (45.1–75.3)
  Never smoker18 (15.9–20.4)39.1 (35.3–42.9)2.4 (1.5–3.7)†7.7 (5.9–10.0)
 25+ years*
  Current smoker41.1 (34.7–47.8)43.2 (38.8–47.7)10.6 (7.5–14.7)†11.5 (8.7–14.8)6.1 (3.1–6.5)†
  Former smoker8.7 (6.3–12.0)11.4 (9.8–13.3)2.0 (1.2–3.4)†3.8 (2.8–5.0)1.5 (0.9–2.8)†4.0 (2.5–4.5)
  Never smoker3.7 (2.5–5.3)†5.6 (4.7–6.8)
  • Symbol – shows estimates unreportable due to low sample size and/or high variation (n<30 or coefficient of variance>33.3).

  • Canadian Tobacco, Alcohol and Drugs Survey (CTADS) 2017. Ever vaper: responded ‘yes’ to ‘have you ever tried an e-cigarette, also known as an electronic cigarette?’; Past 30-day vaper: responded ‘yes’ to ‘in the past 30 days did you use an e-cigarette?’ OR responded ‘every day’ to ‘at the present time, do you use an e-cigarette (also known as an electronic cigarette) every day, occasionally or not at all?’; Daily vaper: responded ‘yes’ to ‘during the past 30 days, did you use an e-cigarette every day?’ OR responded ‘every day’ to ‘at the present time, do you use an e-cigarette (also known as an electronic cigarette) every day, occasionally or not at all?’; Current smoker: responded ‘every day’ or ‘occasionally’ to ‘at the present time do you smoke cigarettes every day, occasionally, or not at all?’; Former smoker: responded ‘not at all’ to ‘at the present time do you smoke cigarettes every day, occasionally, or not at all?’ AND responded ‘yes’ to ‘have you smoked at least 100 cigarettes in your life?’; Never smoker: responded “not at all” to “at the present time do you smoke cigarettes every day, occasionally, or not at all?” AND responded “no” to “have you smoked at least 100 cigarettes in your life?”.

  • Canadian Tobacco and Nicotine Survey (CTNS) 2019. Ever vaper: responded ‘yes’ to ‘have you ever tried vaping?’; Past 30-day vaper: responded ‘daily’, ‘less than daily, but at least once a week’, OR ‘less than once a week, but at least once in the past month’ to ‘during the past 30 days, how often did you vape?’; Daily vaper: responded ‘daily’ to ‘during the past 30 days, how often did you vape?’ Ever vaper: responded ‘yes’ to ‘have you ever tried vaping?’; Current smoker: responded ‘daily’ OR ‘less than daily, but at least once in the past month’ to ‘during the past 30 days, how often did you smoke cigarettes?’; Former smoker: responded ‘yes’ to ‘have you smoked at least 100 cigarettes (about four packs) in your life?’ AND responded ‘not at all’ to ‘during the past 30 days, how often did you smoke cigarettes?’; Never smoker: responded ‘no’ to ‘have you ever smoked a whole cigarette?’ OR responded ‘yes’ to ‘have you ever smoked a whole cigarette?’ AND responded ‘no’ to ‘have you smoked at least 100 cigarettes (about four packs) in your life?’ AND responded ‘not at all’ to ‘during the past 30 days, how often did you smoke cigarettes?’.

  • *Age categories grouped due to low cell sizes and/or the large number of unreportable estimates.

  • †Caution, high variation for estimate (coefficient of variance 16.6%–33.3%).