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NCT03499340 · ClinicalTrials.gov registry record · NA
Pictorial Warning Labels & Memory for Relative & Absolute Cigarette Health-risk Information Over Time in Adult Smokers
A NA study, sponsored by Ohio State University.
- Completed
- Registry status
- NA
- Development phase
- 3,213
- Enrollment target
NCT03499340: Completed NA study, sponsored by Ohio State University.
NCT03499340 is a NA study that has completed, run by Ohio State University. The registered enrollment target is 3,213 participants, above the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (129% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03499340, a NA study, has completed, sponsored by Ohio State University.
- COMPLETED
- Registry status
- NA
- Development phase
- 3,213 participants
- Enrollment target
Study Summary
Pictorial cigarette warning labels (PWLs) are thought to increase risk knowledge, but experimental research has not examined PWLs' longer term effects on memory for health risks. In this study, adult smokers are repeatedly exposed to text-only vs. low arousal graphic vs. high arousal graphic warning labels paired with numeric risk information. This study will allow the investigators to assess the extent to which reactions to warnings remain consistent over time and influence smoking risk perceptions and quit intentions. The investigators will also assess the impact of graphic images on memory for smoking risk information presented in absolute (a smoker's lifetime risk of getting a smoking related disease) versus relative (a smoker's risk of getting a smoking related disease, compared to the risk of non-smokers) formats.
Primary Outcome
Participants answered one multiple choice question about the numeric risk for smokers for each label (e.g., \_\_\_\_% of smokers die before age 85). For each question, there were four decoy responses.
Interventions
- BEHAVIORAL text-only PWL
- BEHAVIORAL low arousal graphic PWL
- BEHAVIORAL high arousal graphic PWL
- BEHAVIORAL absolute risk
- BEHAVIORAL relative risk
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 3,213 participants |
| Start Date | 2017-07-10 |
| Est. Completion | 2017-10-03 |
| Phase | NA |
What the finished NCT03499340 record still lists
NCT03499340 is an interventional study that assigns participants to a tested intervention. Its 3,213 participants enrollment target places it among the larger protocols in the corpus, above the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (129% higher).
The record links to 0 conditions, and to 5 interventions - of which text-only PWL is the first listed.
NCT03499340 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03499340 about?
NCT03499340 is a clinical study titled "Pictorial Warning Labels & Memory for Relative & Absolute Cigarette Health-risk Information Over Time in Adult Smokers". Pictorial cigarette warning labels (PWLs) are thought to increase risk knowledge, but experimental research has not examined PWLs' longer term effects on memory for health risks. In this study, adult smokers are repeatedly exposed to text-only vs. low arousal graphic vs. high arousal graphic warning...
What is the current status of trial NCT03499340?
This trial is currently completed. It is a NA study. The enrollment target is 3,213 participants. The study started on 2017-07-10. Estimated completion is 2017-10-03.
What interventions are being tested in trial NCT03499340?
The interventions under investigation include: text-only PWL (BEHAVIORAL), low arousal graphic PWL (BEHAVIORAL), high arousal graphic PWL (BEHAVIORAL), absolute risk (BEHAVIORAL), relative risk (BEHAVIORAL).
Who is sponsoring clinical trial NCT03499340?
This trial is sponsored by Ohio State University, which has 552 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03499340's enrollment target sits among peer trials
3,213 38th of 2000 higher than 1,963 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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