Evidence map›Paper›PMID 29195147›Full record

ArticleAddictive behaviors2018

Young adult e-cigarette use outcome expectancies: Validity of a revised scale and a short scale.

Pallav Pokhrel, Tony H Lam, Ian Pagano, Crissy T Kawamoto, Thaddeus A Herzog

Abstract readValidation Study
In one paragraph

Article in Addictive behaviors, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

24 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Trial
  3. Trial
  4. Measurement invariance in the Youth Electronic Cigarette Outcome Expectancies Questionnaire across sex and race/ethnicity in pre- to early adolescence.Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco · 2026
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  6. Review
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  10. Differences in young adults' perceptions of e-cigarettes by history of use.Journal of American college health : J of ACH · 2024
    Article
  11. Article
  12. Ethnicity and the mechanisms of point-of-sale e-cigarette marketing's influence on behavior: A longitudinal study.Psychology of addictive behaviors : journal of the Society of Psychologists in Addictive Behaviors · 2022
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  13. Article
  14. Article
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  18. Body esteem, weight-control outcome expectancies, and e-cigarette use among young adults.Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco · 2021
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  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Pallav PokhrelCancer Prevention in the Pacific Program, University of Hawaii Cancer Center, 701 Ilalo St, Honolulu, HI 96813, United States. Electronic address: ppokhrel@cc.hawaii.edu.
Tony H LamCancer Prevention in the Pacific Program, University of Hawaii Cancer Center, 701 Ilalo St, Honolulu, HI 96813, United States.
Ian PaganoCancer Prevention in the Pacific Program, University of Hawaii Cancer Center, 701 Ilalo St, Honolulu, HI 96813, United States.
Crissy T KawamotoCancer Prevention in the Pacific Program, University of Hawaii Cancer Center, 701 Ilalo St, Honolulu, HI 96813, United States.
Thaddeus A HerzogCancer Prevention in the Pacific Program, University of Hawaii Cancer Center, 701 Ilalo St, Honolulu, HI 96813, United States.

Funding

RESEARCH DESIGN AND BIOSTATISTICS COREU54MD007584 · NIMHD · UNIVERSITY OF HAWAII AT MANOA · PI HEDGES, JERRIS ROBERT, MOKUAU, NOREEN · 2012 to 2018
$21.1M
Prospective effects of electronic cigarette marketing on expectancies and behaviorR01CA202277 · NCI · UNIVERSITY OF HAWAII AT MANOA · PI POKHREL, PALLAV · 2016 to 2020
$2.6M
NCI NIH HHS R01 CA202277NIMHD NIH HHS U54 MD007584
6 · The paper itself

Abstract

The revised youth e-cigarette outcome expectancies measure adds new items informed by recent qualitative research with young adult e-cigarette users, especially in the domain of positive "smoking" experience. Positive "smoking" experience represents beliefs that use of e-cigarettes provides outcomes associated with a better "smoking" alternative: for example, an alternative that is more socially approved, more suitable for indoor use, and that provides a safer means of enjoying nicotine. In addition, we tested a short, 8-item version of the measure which may be more easily incorporated into surveys. We tested the validity of the revised measure, both long and short versions, in terms of factor structure and associations of the expectancy factors with current e-cigarette use, e-cigarette use susceptibility, and e-cigarette use dependence. Participants were young adults (N=470; 65% women; mean age=20.9, SD=2.1). Results replicated the findings of the previous study as well as highlighted the importance of the added domain of positive "smoking" experience and the validity of the short scale. Furthermore, results showed that positive outcome expectancies are strongly associated with e-cigarette use dependence. The long and short versions of the revised youth e-cigarette outcome expectancies scale appear to be valid and useful for application not only among cigarette smokers and e-cigarette users but also among never smokers and never e-cigarette users.

Indexed as

Electronic Nicotine Delivery SystemsMotivationAdolescentCigarette SmokingFemaleHumansMalePsychiatric Status Rating ScalesReinforcement, PsychologyReproducibility of ResultsStudentsVapingYoung AdultDependenceE-cigaretteOutcome expectanciesYoung adults

Identifiers

PMID29195147
PMCPMC5783754

What OpenQuestion holds

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Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.