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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/attitudes and intentions showed mixed results. Quitline calls increased in four of six studies, while foregoing of cigarettes did not increase. Cigarette consumption decreased in three of eight studies; quit attempts increased in four of seven studies; and short-term cessation increased in two of three studies. Smoking prevalence decreased in six of nine studies. CONCLUSIONS:Strengthening warnings was associated with longitudinal increases in knowledge, quitline calls and reductions in smoking behavior. Strengthening warning policies should be a priority for tobacco control globally.

SUBMITTER: Noar SM 

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

REPOSITORIES: biostudies-literature

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

Noar Seth M SM   Francis Diane B DB   Bridges Christy C   Sontag Jennah M JM   Ribisl Kurt M KM   Brewer Noel T NT  

Social science & medicine (1982) 20160713


<h4>Objectives</h4>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.<h4>Methods</h4>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.<h4>Results</h4>We  ...[more]

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