Use of electronic cigarettes among state tobacco cessation quitline callers
This study looked at past vaping among people phoning a quit-smoking helpline. They aimed to work out whether vaping affects smokers’ ability to successfully quit smoking.
What it Found
Smokers who’d used e-cigarettes before were less likely to have quit smoking by the end of the study than those who’d never vaped. This study has been used to argue that e-cigs actually reduce your chance of quitting smoking.
What’s Wrong With it?
The biggest problem is the way the sample was selected. If you try vaping but then phone a quit-smoking helpline, it means that you were already unable to quit smoking by vaping.
By focusing only on these smokers, the result was pretty much guaranteed. These people are likely the smokers who struggle the most to quit, and the ones who e-cigs just might not work for.
Also, 28 percent of the “e-cig group” didn’t even vape for the studied quit attempt. The group was only defined based on what they’d done in the past.
Analysis of the study
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