The impact of strengthening cigarette pack warnings: Systematic review of longitudinal observational studies.

ABSTRACT:

Objectives

Cigarette pack warnings are a tobacco control strategy used globally. To understand their impact, we systematically reviewed longitudinal observational studies examining national implementation of strengthened warnings.

Methods

We used comprehensive search procedures to identify observational studies examining the impact of strengthening cigarette pack warnings. We report longitudinal changes in knowledge, beliefs, attitudes, intentions, and behavior.

Results

We identified 32 studies conducted in 20 countries with 812,363 participants. Studies commonly examined changes from text to pictorial warnings (64%); the remainder examined strengthened text or strengthened pictorial warnings. Knowledge increased in all 12 studies that assessed it. Studies of beliefs/

SUBMITTER: Noar SM 

PROVIDER: S-EPMC5026824 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature