Skip to main content
. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: Addiction. 2018 Oct 16;114(2):294–303. doi: 10.1111/add.14446

Table 1. Characteristics of sample (weighted data).

Variables All adults n (%) Past-year smokers, n (%) Quit attempt n (%) Long term ex-smokers n (%)
E-cigarette use*
Yes 4450 (5.5%) 3460 (21.3%) 1833 (34.6%) 801 (5.9%)
No 76613 (94.5%) 12772 (78.7%) 3472 (65.4%) 12761 (94.1%)

Sex
Men 40986 (49.0%) 8615 (53.1%) 2707 (51.0%) 7204 (53.1%)
Women 40054 (51.0%) 7615 (46.9%) 2598 (49.0%) 6355 (46.9%)

Age
16-24 11612 (14.3%) 2931 (18.1%) 978 (18.4%) 357 (2.6%)
25-34 13571 (16.7%) 3617 (22.2%) 1350 (25.4%) 1271 (9.4%)
35-44 13430 (16.6%) 2990 (18.4%) 1067 (20.1%) 1929 (14.2%)
45-54 14073 (17.4%) 2968 (18.3%) 932 (17.6%) 2411 (17.8%)
55-64 11370 (14.0%) 2028 (12.5%) 580 (10.9%) 2522 (18.6%)
65+ 17006 (21.0%) 1698 (10.5%) 398 (7.5%) 5070 (37.4%)

SES group
AB 21938 (27.1%) 2445 (15.1%) 920 (17.3%) 4358 (32.1%)
C1 22300 (27.5%) 3932 (24.2%) 1352 (25.5%) 3711 (27.4%)
C2 17675 (21.8%) 4182 (25.8%) 1327 (25.0%) 3066 (22.6%)
D 12189 (15.0%) 3309 (20.4%) 970 (18.3%) 1543 (11.4%)
E 6960 (8.6%) 2364 (14.6%) 736 (13.9%) 885 (6.5%)

Ns are weighted.

*

E-cigarette use is defined as current use for all adults, past-year smokers and long term ex-smokers. For the quit attempt subset, e-cigarette use was defined as using an electronic cigarette during the most recent quit attempt.