Effective Ads for Quitting Smoking
Identifying Effective Ads to Encourage Quitting Smoking Among People Who Smoke Menthol Cigarettes
2 other identifiers
interventional
1,236
1 country
1
Brief Summary
The main purpose of this trial is to identify effective quit smoking ads for people who smoke menthol cigarettes. Investigators will conduct an online randomized trial with a nationally representative sample of \~1,400 US adults (ages 21+) who smoke menthol cigarettes.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Sep 2024
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 26, 2024
CompletedFirst Posted
Study publicly available on registry
July 3, 2024
CompletedStudy Start
First participant enrolled
September 5, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 21, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
October 21, 2024
CompletedResults Posted
Study results publicly available
November 3, 2025
CompletedNovember 3, 2025
October 1, 2025
2 months
June 26, 2024
October 21, 2025
October 21, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Perceived Message Effectiveness for Motivation
Perceived effectiveness of the ads at encouraging quitting smoking, measured by 1 survey item for each ad (6 items total). Range 1 to 5, with higher values indicating higher perceived message effectiveness.
During exposure to the ads, assessed during one-time online 15-minute survey.
Secondary Outcomes (5)
Perceived Message Effectiveness for Response Efficacy
During exposure to the ads, assessed during one-time online 15-minute survey.
Perceived Message Effectiveness for Self-efficacy
During exposure to the ads, assessed during one-time online 15-minute survey.
Intentions to Quit Smoking
After exposure to the ads, assessed during one-time online 15-minute survey.
Response Efficacy
After exposure to the ads, assessed during one-time online 15-minute survey.
Self-efficacy
After exposure to the ads, assessed during one-time online 15-minute survey.
Study Arms (5)
Ads about response efficacy for quitting smoking
EXPERIMENTALParticipants will view ads designed to increase response efficacy for quitting cigarettes.
Ads about self-efficacy for quitting smoking
EXPERIMENTALParticipants will view ads designed to increase self-efficacy to quit smoking.
Ads about motivation to quit smoking
EXPERIMENTALParticipants will view ads designed to increase motivation to quit smoking.
Ads about reading
OTHERParticipants will view non-smoking related ads on the benefits of reading.
Ads about passwords
OTHERParticipants will view non-smoking related ads on passwords.
Interventions
The ads will be on topics to encourage quitting smoking, formatted as multi-color text with graphic elements. Trial investigators developed the ads and optimized them to be readable when delivered in an SMS text message.
The ads will be on topics unrelated to quitting smoking, formatted as black text on a white field. Trial investigators developed the ads and optimized them to be readable when delivered in an SMS text message.
Eligibility Criteria
You may not qualify if:
- Currently smoke menthol cigarettes
- Be a member of the AmeriSpeak online survey panel or their convenience sample
- Live in the US
- Be age 21 years or older
- Read and speak English
- Not currently smoke menthol cigarettes
- Not be a member of the AmeriSpeak online survey panel or their convenience sample
- Not live in the US
- Be younger than age 21 years
- Not be able to read and speak English
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of North Carolina
Chapel Hill, North Carolina, 27599, United States
Related Links
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Principal Investigator
- Organization
- UNC
Study Officials
- PRINCIPAL INVESTIGATOR
Noel Brewer, PhD
University of North Carolina, Chapel Hill
- PRINCIPAL INVESTIGATOR
Marissa G Hall, PhD
University of North Carolina, Chapel Hill
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 26, 2024
First Posted
July 3, 2024
Study Start
September 5, 2024
Primary Completion
October 21, 2024
Study Completion
October 21, 2024
Last Updated
November 3, 2025
Results First Posted
November 3, 2025
Record last verified: 2025-10
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- SAP
- Time Frame
- The data will be available beginning 12 and continuing for 36 months following the primary publication.
- Access Criteria
- To obtain a copy of the dataset and codebook, a research scientist will submit a request in writing, identifying themselves and their affiliated institution, indicating what they plan to do with the data, and including assurances that they will not share the data with others without the written permission of the PI. Requestors must already have institutional review board, independent ethics committee, or research ethics board approval, as applicable. Requestors must obtain a data use agreement through UNC's Office of Industry Contracting (OIC@unc.edu) to receive the dataset and codebook and agree to acknowledge NIH and the study investigators in any publications resulting from the data.
The trial investigators will produce a de-identified dataset and codebook for sharing with external investigators, making use of the UNC Dataverse digital data repository (dataverse.unc.edu) hosted by the Odum Institute Data Archive.