Modeling Tobacco Regulatory Impacts in Appalachia Using the Experimental Tobacco Marketplace

After granting informed consent, participants will complete a baseline assessment session. This will be followed by an extended 9-week sampling period to acclimate participants to their randomly assigned experimental cigarette and allow any shifts in product consumption patterns to materialize. In the final week of this sampling period, participants will complete behavioral assessments and a series of assessments to assess the impact of potential regulatory environments relevant to our aims.

Experimental Tobacco Marketplace. In this procedure, participants will complete purchasing scenarios in our realistic tobacco/nicotine product marketplace to model and examine the impact of each of the proposed tobacco product regulations. Participants will be seated in front of a computer to access an online marketplace with an interface similar to many online merchants. This will allow participants to browse through the selection of products and add as many as they desire of each product to the virtual shopping cart. Each product will have the price clearly displayed along with an image and description of the product. The selection of products will vary based on the particular regulatory scenario that is being modeled. Tobacco and nicotine products will match the products found by surveying product availability vendors in the local communities. In each pricing scenario during each marketplace session, participants will be asked to make nicotine-product purchases sufficient for one week's use from this marketplace. During a purchasing session, the participant will be provided with a virtual budget that matches their actual weekly budget for nicotine/tobacco products, a procedure we have shown to generate realistic results. They will use that virtual budget to indicate which selection of products they would purchase from those available in the marketplace.

Baseline Assessment Session. The first experimental session will be an assessment session to collect information from participants on substance use patterns and addiction severity, as well as the results of behavioral and cognitive tasks that have measure components of our behavioral economic model of product valuation.

Sampling Period. After their assessment session, participants will be given a supply of their randomly assigned reduced-nicotine cigarette corresponding to two weeks of their typical cigarette consumption and asked to use the provided cigarettes as their only combusted tobacco product for 9 consecutive weeks.

• Timeline Follow-Back (TLFB): Average of marijuana and nicotine use quantity [Срок оценки: Assessed at study week 0 and at study week 9]
• Fagerström Test for Nicotine Dependence (FTND) [Срок оценки: Assessed at study week 0 and at study week 9]
• Minnesota Nicotine Withdrawal Scale (MNWS) [Срок оценки: Assessed at study week 0 and at study week 9]
• Hypothetical quantity purchased in purchase tasks [Срок оценки: Assessed at study week 0 and at study week 9]
• Delay Discounting Tasks [Срок оценки: Assessed at study week 0 and at study week 9]
• Activity Level Questionnaire - Substance Use Version (ALQ-SUV) [Срок оценки: Assessed at study week 0 and at study week 9]
• Breath Carbon Monoxide (CO) [Срок оценки: Collected twice daily through the 10 week duration of the study]
• Salivary Cotinine [Срок оценки: Collected with assessment sessions at study weeks 0 and 9, as well as twice weekly remotely during interim sampling period]
• Self-reported nicotine product use [Срок оценки: Collected daily from study week 1 to study week 9]
• Self-reported withdrawal symptom severity [Срок оценки: Collected daily from study week 1 to study week 9]
• Self-reported nicotine craving intensity [Срок оценки: Collected daily from study week 1 to study week 9]