Cigarette smoking is a leading cause of mortality in the United States and the foremost cause of cancer deaths. There are concerns that the decrease in cigarette smoking attained over the last several decades is now challenged by the increasing popularity of non-traditional tobacco products such as Electronic Nicotine Delivery Systems (ENDS), commonly referred to as e-cigarettes. The effects of ENDS use on public health are not well understood, including its plausible effects on cigarette use initiation, re-uptake, and maintenance. Currently, ENDS face limited regulations in the U.S. ENDS marketing in particular is not regulated. However, the prevalence of ENDS use is rapidly increasing, especially among young adults (18-25 year olds) who appear to be the main target of ENDS marketing. Current studies on ENDS marketing have been mostly qualitative, focused on characterizing the contents of advertising or retail marketing. These studies suggest that ENDS are being promoted to attract youth/young adults and as safer alternatives to cigarettes. But there is little evidence available on the effects of ENDS marketing on young adults' beliefs and attitudes and how those beliefs and attitudes promote ENDS use, and by extension, cigarette use. Elucidating the mechanisms of how ENDS marketing operates to impact young adults' ENDS use and smoking behavior could provide specific directions to the development of regulations on ENDS marketing as well as ENDS/tobacco control media interventions. For example, policies and media interventions could be informed as to which aspects of ENDS marketing need to be controlled and countered. This research will employ longitudinal design and the dual- process theoretical framework to determine the roles of outcome expectancies and implicit attitudes in explaining the effects of ENDS marketing on ENDS and cigarette use progression among college students, including cigarette use initiation and re-uptake. Guided by our preliminary research, we specifically focus on 4 positive outcome expectancies: social enhancement (e.g., use to gain popularity), affect regulation (e.g., use to regulate feelings), positive sensory experience (e.g., use to enjoy flavors), and positive health consequences. Consistent with the dual-process framework, which posits that spontaneous or automatic processes act parallel in decision-making to more conscious, reflective processes, we hypothesize that the effects of marketing on ENDS and cigarette use are mediated or explained by the 4 types of expectancies, jointly representing the reflective system, and by implicit attitudes, representing the spontaneous system. Spontaneous processes have never been assessed as mediators of the effects of tobacco product marketing on behavior in general and of ENDS marketing in particular. The multi-wave longitudinal design will facilitate rigorous causal inferences regarding the mechanisms of how ENDS marketing operates as well as help investigate marketing's role in young adults' changes in beliefs, attitudes and behavior over time. Thus, this research will employ powerful theoretical and methodological approaches and measures newly applied to ENDS research [e.g., Implicit Association Test (IAT)] to generate high quality information that currently does not exist.

Public Health Relevance

Recently, electronic nicotine delivery systems (ENDS) have become popular as safer alternatives to traditional cigarettes. At present, ENDS marketing is not regulated and the health consequences of ENDS use are not well understood. Given the lack of strong regulations and effective media interventions, ENDS marketing may adversely impact youths and young adults through increased ENDS use. Increased ENDS use may prevent smokers from quitting smoking and may even promote tobacco use initiation. The proposed research has important public health relevance because its findings will facilitate development of regulations on ENDS and development of ENDS control media interventions that are beneficial to public health.

Agency
National Institute of Health (NIH)
Institute
National Cancer Institute (NCI)
Type
Research Project (R01)
Project #
5R01CA202277-03
Application #
9414998
Study Section
Community-Level Health Promotion Study Section (CLHP)
Program Officer
Blake, Kelly D
Project Start
2016-02-05
Project End
2021-01-31
Budget Start
2018-02-01
Budget End
2019-01-31
Support Year
3
Fiscal Year
2018
Total Cost
Indirect Cost
Name
University of Hawaii
Department
Type
Organized Research Units
DUNS #
965088057
City
Honolulu
State
HI
Country
United States
Zip Code
96822
Pokhrel, Pallav; Fagan, Pebbles; Herzog, Thaddeus A et al. (2017) Social media e-cigarette exposure and e-cigarette expectancies and use among young adults. Addict Behav 78:51-58
Pokhrel, Pallav; Lam, Tony H; Pagano, Ian et al. (2017) Young adult e-cigarette use outcome expectancies: Validity of a revised scale and a short scale. Addict Behav 78:193-199
Bennett, Brooke L; Deiner, Melodi; Pokhrel, Pallav (2017) College anti-smoking policies and student smoking behavior: a review of the literature. Tob Induc Dis 15:11
Pokhrel, Pallav; Fagan, Pebbles; Herzog, Thaddeus A et al. (2016) E-cigarette advertising exposure and implicit attitudes among young adult non-smokers. Drug Alcohol Depend 163:134-40
Pokhrel, Pallav; Fagan, Pebbles; Cassel, Kevin et al. (2016) Social Network Characteristics, Social Support, and Cigarette Smoking among Asian/Pacific Islander Young Adults. Am J Community Psychol 57:353-65