A Virtual Reality E-cigarette Prevention and Emotion Regulation Intervention for Adolescents

Number of participants E-cigarette Initiation

E-cigarette use is defined as answering "yes" to the question: "Have you ever used an e-cigarette, even once or twice?" Participants will be classified as having initiated e-cigarette use if they report any past use at any of these time points.

E-Cigarette Knowledge

Measures changes in students' knowledge of e-cigarettes, including nicotine addiction, marketing tactics, laws, and regulations. Items are summed to create a total knowledge score ranging from 0 to 15, with higher scores indicating greater knowledge

E-Cigarette Harm Perceptions

All harm perception items use a 5-point scale coded from 1 (not at all harmful) to 5 (extremely harmful). The addiction likelihood items use a parallel 5-point scale coded from 1 (not at all likely) to 5 (extremely likely). Items may be examined individually or combined into composite scores with separate subscales for harm perceptions (Items 1, 2, 3, and 5) and addiction likelihood (Items 4 and 6). Higher scores indicate stronger perceptions of harm or addiction risk.

E-Cigarette Social Perceptions

The first two items use a 4-point Likert scale coded from 1 (strongly/completely disagree) to 4 (strongly/completely agree). The perceived peer acceptability item is coded from 1 (not acceptable) to 4 (completely acceptable). The peer influence item is coded from 1 (friends would tell you not to take a hit) to 4 (friends would exclude you for not taking a hit), with higher scores indicating stronger perceived social pressure to vape. The social media exposure item is coded from 1 (content posted by Public Health Campaigns) to 5 (content posted by e-cigarette brands or sellers), with higher scores reflecting greater exposure to promotional sources rather than educational sources and close peers. Items may be analyzed individually or summed to create a composite index of social norms and perceived social influences related to e-cigarette use, with higher scores indicating more permissive or pro-vaping social perceptions.

Healthy Attitudes Toward E-Cigarette Use

Participants will complete a pre-survey through a secured, data collection website (Qualtrics Data Collection Software) and then play the videogame intervention. The survey includes 4 questions adapted from the National Youth Tobacco Survey (2014) focus on attitudes about e-cigarettes. Questions have 4 response choices ranging from 1 (strongly disagree) to 4 (strongly agree) or 1 (definitely yes) to 4 (definitely not), or 1 (very unlikely) to 4 (very likely). Some items were reverse coded so that scores of 1 always represented less healthy attitudes and scores of 4 corresponded to more healthy attitudes. Items were averaged into a composite scale that ranged from 1 to 4, with higher scores indicating healthier attitudes.