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. Author manuscript; available in PMC: 2020 Oct 1.
Published in final edited form as: Addiction. 2019 Apr 2;114(Suppl 1):24–34. doi: 10.1111/add.14570

Table 1.

Sample Characteristics by Country and Overall:

CANADA USA ENGLAND AUSTRALIA TOTAL
N 2784 2291 3591 1376 10,002
Weighted %
(unweighted %)
% Female 40.9 (52.7) 45.9 (47.7) 46.6 (45.1) 43.3 (46.1) 44.4 (48.3)
Age   18 – 24 10.8 (20.0) 10.4 (20.4) 14.1 (20.1) 12.4 (2.6) 12.1 (17.8)
    25 – 39 27.2 (25.2) 27.7 (26.6) 30.8 (24.0) 35.2 (18.6) 29.7 (24.2)
    40 – 54 32.8 (29.6) 30.5 (16.9) 27.7 (27.4) 28.0 (38.7) 29.8 (27.1)
    55 plus 29.3 (25.2) 31.4 (36.1) 27.4 (28.5) 24.4 (40.0) 28.4 (30.9)
SES   Low 30.4 (32.7) 54.2 (39.2) 28.1 (30.6) 32.1 (30.6) 35.2 (33.1)
    Medium 28.6 (28.2) 23.8 (22.1) 33.6 (27.4) 32.3 (28.0) 29.8 (26.5)
    High 41.0 (39.0). 22.0 (38.7) 38.3 (42.0) 35.6 (41.4 35.0 (40.4)
USE status: Concurrent use
Predominant Smoker 6.9 (15.7) 4.8 (16.3) 6.5 (14.0) 1.6 (6.3) 5.6 (14.0)
Dual Daily User 3.6 (8.0) 3.7 (15.7) 3.6 (9.2) 0.8 (3.9) 3.3 (9.6)
Predominant Vaper 0.9 (2.0) 0.9 (3.1) 1.2 (2.5) 0.2 (0.8) 0.9 (2.3)
Dual Non-daily User 1.6 (4.5) 0.8 (3.8) 1.1 (3.8) 0.2 (0.7) 1.1 (3.6)
Exclusive
Daily Smoker 70.2 (56.0) 74.5 (48.8) 64.7 (57.1) 89.8 (80.8) 71.8 (58.4)
Non-daily Smoker 11.3 (8.8) 7.7 (5.2) 8.0 (6.7) 4.8 (4.1) 8.4 (6.6)
Daily Vaper 3.2 (2.6) 6.6 (5.9) 12.1 (6.7) 2.3 (3.1) 7.1 (4.4)
Non-daily Vaper 2.4 (2.3) 1.0 (1.2) 2.8 (1.5) 0.3 (0.4) 1.9 (1.5)