Abstract
Purpose
This study examines the pathways through which e-cigarette users’ awareness of the truth® campaign influences e-cigarette use frequency over time.
Design and Setting
Data included four waves (2020–2023) of the Truth Longitudinal Cohort, a probability-based, nationally representative survey.
Participants
The analytic sample was 15-24-year-olds who reported current e-cigarette use at baseline (N = 718). Wave-by-wave retention rates were 64% to 69%.
Measures
Respondents’ cumulative awareness of truth® ads was calculated (Waves 1–2). Strength of agreement with campaign-targeted attitudes was measured on five-point scales (Wave 2). The outcome was change in the 4-level frequency of e-cigarette use (Waves 2–4).
Analysis
Latent growth structural equation modeling examined the pathway from cumulative ad awareness to the frequency of e-cigarette use via campaign-targeted attitudes.
Results
Model fit estimates identified a three-step pathway by which awareness of the campaign reduced e-cigarette use. Ad awareness was significantly associated with stronger campaign-targeted attitudes: perceived risk (β = .20, P < .0001); anti-vape industry (β = .13, P = .003); independence from addiction (β = .13, P = .004); and affinity with groups that reject vaping (β = .18, P < .0001). Each attitude was significantly associated with stronger perceived norms against e-cigarette use (respectively: β = .25, P < .0001; β = .15, P < .0001; β = .12, P = .018; β = .27, P < .0001). Perceived norms against e-cigarette use had a significant negative relationship with growth in e-cigarette use frequency over time (β = −.23, P < .0001).
Conclusion
Greater truth® anti-vaping ad awareness strengthens campaign-targeted attitudes among current users, increasing perceived norms against e-cigarette use and reducing use over time.
Keywords
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References
Supplementary Material
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