Neuroimaging Approaches to Improve Prediction of Smoking Initiation and Nicotine Use Escalation Among Young Adult Electronic Nicotine Delivery Systems Users

Messages are in the format of public service announcement (PSA) images that contain both textual (1-2 brief sentences) and illustrative visual components. The messages are designed to educate the participants about the harms and costs associated with e-cigarette use (e.g., negative health consequences, undesirable social perceptions, etc.). Half of the messages focus specifically on the harms and costs associated with using flavored vape products, while the other half address vaping harms broadly (i.e., not specifically focus on those related to flavored vaping). Participants in this arm will receive anti-vaping messages through emails and text messages every week. Specifically, over the course of a year, during the first six months, they will receive generic/regular PSAs that address vaping harms more broadly; during the second six months, they will receive flavor-specific PSAs that address vaping harms specifically associated with the use of flavored vape products.

Messages are in the format of public service announcement (PSA) images that contain both textual (1-2 brief sentences) and illustrative visual components. The messages are designed to educate the participants about the harms and costs associated with e-cigarette use (e.g., negative health consequences, undesirable social perceptions, etc.). Half of the messages focus specifically on the harms and costs associated with using flavored vape products, while the other half address vaping harms broadly (i.e., not specifically focus on those related to flavored vaping). Participants in this arm will receive anti-vaping messages through emails and text messages every week. Specifically, over the course of a year, during the first six months, they will receive flavor-specific PSAs that address vaping harms specifically associated with the use of flavored vape products; during the second six months, they will receive generic/regular PSAs that address vaping harms more broadly.

Participants will not receive any message intervention in this arm.