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Updated: Aug 15, 2025
Comparing the Effects of Electronic Cigarette Vapor and Cigarette Smoke in a Novel In Vivo Exposure System
Published on: May 24, 2017
Randomised experiment for the effect of 'Tobacco-Free Nicotine' messaging on current e-cigarette users' perceptions,
Kendra Ratnapradipa1, Kaeli Samson1, Hongying Daisy Dai2
1University of Nebraska Medical Center, Omaha, Nebraska, USA.
Background:
It is unclear whether emerging synthetic tobacco-free nicotine superiority messages such as 'better flavor and better experience' and 'no residual impurities of tobacco-derived nicotine' may impact consumer perception and product choice between synthetic and tobacco-derived nicotine vaping products.
Methods:
Through a 2022 online survey of current e-cigarette users, we identified synthetic nicotine never users for randomisation into an embedded between-subjects experiment. The test group (n=186) viewed a tobacco-free nicotine message versus no message control (n=168). Multivariable regressions assessed messaging effects on three comparative measures between tobacco-free and tobacco-derived nicotine: harm perception, purchase intention and willingness to pay.
Results:
Participants (n=354; age, mean (SD)=34.6 (11.1) years old) were recruited from geographically diverse regions with 27.7% rural residents. The overall sample comprised 44.1% females, 73.5% non-Hispanic white and 71.8% daily e-cigarette users. Sociodemographics and tobacco use status were not significantly different between two randomised groups. The test group (vs control) reported a higher intention to use tobacco-free than tobacco-derived nicotine vaping products (adjusted OR (AOR)=2.4, 95% CI 1.3 to 4.4, p=0.006) and willingness to pay more for tobacco-free nicotine vaping products (AOR=2.6, 95% CI 1.2 to 5.8, p=0.02). Urban (vs rural) synthetic-naïve vapers had lower harm perception (AOR=2.0, 95% CI 1.1 to 3.6, p=0.02) and higher intention to use tobacco-free than tobacco-derived nicotine vaping products (AOR=2.2, 95% CI 1.1 to 4.5, p=0.04); infrequent vapers were more willing to pay more for tobacco-free nicotine vaping products (AOR=1.1, 95% CI 1.03 to 1.17, p=0.002).
Conclusion:
Tobacco-free nicotine marketing message may prompt the transition to and promote a price premium for such products. With the proliferation of products in the market, comprehensive regulation of emerging synthetic vaping products is needed.
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