Evaluation of the Value of Varying E-cigarette Product Characteristics Across Different Populations: A conjoint analysis of 6 product characteristics among youth and young adults

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Aim 1: To characterize the relative importance and price utility of product attributes (flavor, packaging, nicotine formulation, warning label size, device type, price) and levels within each attribute among participants with any history of e-cigarette use or use of another tobacco product.

Aim 2: To evaluate whether outcomes described in Aim 1 differ between youth nonsmokers and young adult smokers. Secondary analyses will evaluate whether outcomes also differ by race/ethnicity, LGBTQ+ status, gender, frequency of e-cigarette use, history of other tobacco use, and nicotine dependence, to provide evidence regarding the impact of such features on vulnerable populations with a disproportionate share of the tobacco related disease burden.

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Examining Risk Beliefs and IQOS Use Among Adults

Examining Risk Beliefs and IQOS Use Among Adults

To assess the effect of provision of IQOS, evaluate shifts in product perceptions and examine the acute changes via EMA/mobile spirometry in pulmonary functioning upon switching from combustible cigarettes to IQOS.