Background:

The effect of smoke-free spaces on the use of electronic cigarettes has not been empirically demonstrated. The objective of this systematic review was to evaluate the influence of smoke-free and vape policies on the use of electronic cigarettes in young adults and adults.

Methods:

A systematic review was carried out according to PRISMA criteria in the Web of Science, PubMed and SCOPUS databases. Keywords used were: Electronic Nicotine Delivery Systems, Smoke-Free Policy, Young Adult and Adult. We included studies that analyzed the use of electronic cigarettes in smoke-free spaces in adults aged fifteen years and older. The search was conducted from January 2010 to March 2022. Risk of bias was analyzed with the Mixed Methods Assessment Tool.

Results:

The search identified 861 records. A total of 840 records were excluded because they did not meet the inclusion criteria. The final sample included ten studies on smoke-free spaces, six studies on vape-free spaces and five studies on smoke-free spaces and vape-free spaces. The main risk of bias in the studies was the sampling and measurements used. Most studies associate the use of electronic cigarettes and smoke-free spaces.

Conclusions:

Studies suggest that the use of electronic cigarettes and smoke-free spaces and vape are associated. Studies with higher quality of evidence and simultaneous implementation of smoke-free and vape-free spaces are required.

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