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. Author manuscript; available in PMC: 2019 May 1.
Published in final edited form as: Addict Behav. 2018 Jan 16;80:102–109. doi: 10.1016/j.addbeh.2018.01.014

Table 4.

Perceived Relative Harm of ENDS (%, CI) by Mental Health Condition and Smoking Status.

Overall Never Smokers(n = 70) Former Smokers (n= 79) Current Smokers (n= 400)
MHC: n=171 MHC: n=17 MHC: n=18 MHC: n=137
No MHC: n=378 No MHC: n=53 No MHC: n=61 No MHC: n=263
Is using electronic vapor products less harmful, about the same, or more harmful than smoking regular cigarettes?
Less Harmful
 Mental Health Condition 60.5 (49.3, 71.6) 56.7 (29.3, 84.2) 92.9 (82.8, 100.0) 52.8 (39.6, 66.0)
 No Mental Health Condition 63.0 (56.1, 69.9) 66.1 (51.4, 80.9) 71.3 (54.1, 88.4) 58.1 (49.5, 66.6)
Equal or More Harmful
 Mental Health Condition 23.1 (13.1, 33.0) 27.4 (3.7, 51.0) 3.3 (0.0, 10.0) 27.4 (14.6, 40.1)
 No Mental Health Condition 21.8 (15.7, 27.9) 20.9 (8.2, 33.6) 15.1 (0.0, 30.4) 24.9 (17.4, 32.4)
I Don’t Know
 Mental Health Condition 16.5 (8.2, 24.7) 15.9 (0.0, 39.3) 3.7 (0.0, 11.2) 19.8 (9.3, 30.4)
 No Mental Health Condition 15.2 (10.2, 20.2) 12.9 (3.1, 22.8) 13.6 (1.5, 25.8) 17.0 (10.6, 23.3)

Weighted percentages are reported, with 95% confidence intervals in parentheses. There were no significant associations between mental health condition (MHC) status and perceptions of harm of ENDS.