No evidence found for an association between e-cigarettes & smoking cessation

A research revealed that adult smokers who used e-cigarettes every day were more probable to reduce their smoking level & more likely to quit their smoking habit than those who did not use e-cigarettes. However, the study from France, which got published in JAMA Internal Medicine, also found that e-cigarette use was linked with an increased rate of smoking relapse in the general adult population after follow up of two years.

Researchers from Sorbonne University stated that electronic cigarettes have become common among smokers who want to reduce or quit smoking tobacco, however, their effectiveness as a cessation aid is not certain. So, a cohort study was conducted by them to examine whether or not e-cigarette use is associated with a smoking reduction in the general population.

They carried out investigation on the association of regular e-cigarette use with the number of cigarettes smoked per day, smoking cessation among 2,494 men and 2,906 women who were existing regular smokers, and smoking relapse among 1,021 men and 1,004 women former smokers who had quit in or 2010 onwards, the year in which e-cigarettes were introduced into France.

After nearly 2 years’ follow up, it was reported that amongst the 5,400 current smokers, regular electronic cigarette use was linked with a considerably higher decrease in the number of cigarettes smoked per day as compared to daily smokers who did not use e-cigarettes, as well as, a higher adjusted relative risk of smoking cessation. This link was stronger amongst participants who used e-cigarettes for over a year than amongst those who used them for less than a year. No statistical interaction was found by the researchers between e-cigarette use & age group, sex, duration of prior smoking cessation, or educational level.

However, it was reported that amongst the 2,025 former smokers who had quit smoking as of 2010, the use of e-cigarette was considerably linked with an increase in the risk of smoking relapse.