The Impact of E-Cigarette Warnings, Warning Themes and Inclusion of Relative Harm Statements on Young Adults' E-Cigarette Perceptions and Use Intentions.

ABSTRACT: Although e-cigarettes in the United States are required to carry one nicotine addiction warning, little is known about the impact of other potential e-cigarette warning themes, nor about pairing warnings with messages that communicate e-cigarettes' reduced-harm potential relative to cigarettes. We randomly assigned 876 young adults (ages 18⁻29) to view e-cigarette ads in a 3 × 2 plus control online experiment that varied by warning theme (i.e., nicotine addiction; nicotine's impact on adolescent brain development; presence of harmful chemicals) and warning type-i.e., the presence ("relative harm warning") or absence ("standard warning") of a relative harm (RH) statement in the warning label ("e-cigarettes may cause harm to health but are less harmful than cigarettes"). Warning believabilit

SUBMITTER: Wackowski OA 

PROVIDER: S-EPMC6352031 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature