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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 2.

Comparison of both A) daily concurrent nicotine users and C) the sub-group of daily dual users with B) non-daily dual users

A: Concurrent daily
nicotine use*
B Dual daily
use
C: Concurrent
non-daily use
Sig
% Female 47.5 46.1 46.3 A-C: NS
B-C: NS
Age: 18–24 13.0 13.3 24.4 A-C: P<.0001
B-C: p<.0001
 25–39 29.3 32.1 42.1
 40–54 32.8 32.6 20.9
 55 + 25.0 22.1 12.6
Socioeconomic Status (SES): Low
36.2

35.0

24.1
A-C: P=.004
B-C: p=.03
 Medium 28.8 27.1 31.1
 High 35.1 37.8 44.8
Uses a tank system to vape 58.2 56.5 36.4 A-C: P<.0001
B-C: p<.0001
Reports only no or slight urges to smoke in last day 12.0 11.9 42.8 A-C: p<.0001
B-C: p<.0001
Very or extremely hard to quit completely 46.7 43.7 14.7 A-C: p<.0001
B-C: p<.0001
Plans to quit within next 6 months 46.3 49.1 53.2 A-C: NS
B-C: NS
Probably or definitely plans to vape in future 67.1 74.7 43.0 A-C: p<.0001
B-C: p<.0001
Believes ECs less addictive than cigarettes 56.7 57.2 51.3 A-C: p<.0001
B-C: p<.0001
Finds vaping less satisfying than smoking 65.0 52.6 46.7 A-C: p<.0001
B-C: p=.02
Believes vaping less harmful than smoking 74.0 70.2 60.9 A-C: p<.0001
B-C: p=.002
Believes switching to vaping believed to improve health 76.5 75.7 67.0 A-C: P=.0001
B-C: p=.0001
Agrees society disapproves of smoking 74.4 65.5 63.5 A-C: P=.0002
B-C: p=.0002
Agrees society approves of vaping 35.8 39.2 31.9 A-C: p=.007
B-C: p=.002
Positive overall opinion of vaping 43.3 52.8 30.8 A-C: p=.0001
B-C: p<.0001
Positive overall opinion of smoking 14.1 18.4 10.7 A-C: NS
B-C: p=.02
*

Consists of the three Concurrent daily use groups