Responses to E-cigarette Message Source and Presentation

Not Applicable

Completed

• Conditions: Vaping

• Registration Number: NCT06274723
• Lead Sponsor: University of Massachusetts, Worcester

Brief Summary

The goal of this clinical trial is to use crowdsourcing to test the effects of a message source (expert and peer) and message presentation types (one-sided and two-sided) to identify the optimal message type for young adults who vape and do not vape.

Detailed Description

Not available

Study Timeline

• Study First Submitted: 2024-01-17
• Study First Submitted QC: 2024-02-20
• Study First Posted: 2024-02-23
• Study Start: 2024-11-05
• Primary Completion: 2024-12-05
• Study Completion: 2024-12-17
• Status Verified: 2025-01
• Last Update Submitted: 2025-01-06
• Last Update Posted: 2025-01-07

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 800

Inclusion Criteria

• US residents ages 18-24
• Fluent in English
• Reporting either vaping in the past 30 days or not having vaped in the past 30 days but susceptible to vaping

Exclusion Criteria

• Age less than 18 or above 24
• Not fluent in English
• Not a member of partnering crowdsourcing behavioral research platform conducting the study

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: FACTORIAL

Primary Outcome Measures

Name	Time	Method
Harm perceptions	20 minutes	Harm perceptions will be measured by four-item e-cigarette harm perceptions questionnaire, such as the extent to which vaping is safe, contain flavors that are safe to use, contain dangerous chemicals, and harmful to health on a scale from 1 (Strongly disagree) to 5 (Strongly agree).
Message acceptance	20 minutes	Message acceptance will be measured by five-item perceived message effectiveness questionnaire, such as the extent to which the message was worth remembering, grabbed their attention, powerful, convincing, and meaningful on a scale from 1 (Strongly disagree) to 5 (Strongly agree).

Secondary Outcome Measures

Name	Time	Method
Source trust	20 minutes	Source trust will be measured by a single-item trust in health information source questionnaire, such as trust in source about vaping information on a scale from 1(Not at all) to 5 (Very much so).
Attitudes	20 minutes	Attitudes will be measured by seven-item vaping attitudes questionnaire, such as vaping is unenjoyable/enjoyable, unhealthy/healthy, dangerous/safe, boring/fun, stupid/smart, not cool/cool, and not attractive/attractive on a five-point bipolar scale.
Behavioral intentions to vape or try vaping	20 minutes	Behavioral intentions to vape will be measured by a three-item behavioral intentions questionnaire, such as intentions to vape (for vapers)/try vaping (for non-vapers) soon, anytime during the next year, would use offered by one of their best friends on a scale from 1 (Definitely not) to 5 (Definitely yes).
Message liking	20 minutes	Message liking will be measured by a single-item liking of the message on scale from 1 (Dislike very much) to 5 (Like very much).
Psychological reactance	20 minutes	Psychological reactance will be measured by six-item reactance questionnaire, such as perceptions of messages being manipulative, misleading, distorted, overblown, exaggerated, and overstated on a scale from 1 (Strongly disagree) to 5 (Strongly agree), and a four-item anger scale, measuring the extent to which the messages made participants feel irritated, angry, annoyed, and aggravated on a scale from 1 (not at all) to 5 (very much).

Trial Locations

Locations (1)

UMass Chan Medical School; 🇺🇸 Worcester, Massachusetts, United States