From: Perception of the relative harm of electronic cigarettes compared to cigarettes amongst US adults from 2013 to 2016: analysis of the Population Assessment of Tobacco and Health (PATH) study data
Relative harm perception
Still former smoker
Relapse smoking
% relapse
1 = less harmful
2004002
462707
19
2 = about the same
696429
282810
29
3 = more harmful
81604
47060
37