Comparison · NCT04251273-bb77e38a
This is Quitting vs Assessment Only Control: Number of Participants With Self-reported 30-day Point Prevalence Abstinence (ITT)
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
2 sourcestrial-comparisons-2026-03-23-0.1.0
Cite this record
ConductScience Library. This is Quitting vs Assessment Only Control: Number of Participants With Self-reported 30-day Point Prevalence Abstinence (ITT). Trial comparisons, record NCT04251273-bb77e38a. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT04251273-bb77e38a
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Measures6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note |
|---|---|---|---|---|---|
| Risk in group 1 | 0.241 | 0.218 | 0.265 | wilson | |
| Risk in group 2 | 0.186 | 0.166 | 0.208 | wilson | |
| Risk difference, group 1 minus group 2 | 0.0547 | 0.0231 | 0.0861 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 1.29 | 1.11 | 1.5 | log | |
| Odds ratio, group 1 over group 2 | 1.39 | 1.15 | 1.68 | log | |
| Number needed to treat, for one more participant with the outcome on This is Quitting than on Assessment Only Control | 18.3 | 11.6 | 43.3 | from the risk difference interval |
Source ClinicalTrials.gov
Groups2
Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | This is Quitting | Participants will be enrolled to receive messages from This is Quitting.~Users receive one age-appropriate message per day tailored to their enrollment date or quit date, which can be set and reset via text message. Those not ready to quit receive 4 weeks of messages focused on building skills and confidence. Users who set a quit date receive messages for a week preceding it and 8 weeks afterward that include encouragement and support, skill- and self-efficacy building exercises, coping strategies, and information about the risks of vaping, benefits of quitting, and cutting down to quit. Keywords COPE, STRESS, SLIP, and MORE provide on-demand support.~This is Quitting: Text message-based intervention for quit vaping support. | 314 | 1,304 | OG000 |
| Group 2 | Assessment Only Control | After an initial enrollment message, participants will be contacted periodically to assess e-cigarette use. At the end of the intervention period, they will receive information on how to sign up for This is Quitting if they are interested in the program~Assessment only Control: Assessment only | 239 | 1,284 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- PRIMARY
- Title
- Number of Participants With Self-reported 30-day Point Prevalence Abstinence (ITT)
- Description
- Number of participant who responded No to the question In the past 30 days, did you vape at all, even a puff of someone else's? Denominator is all randomized participants.
- Time frame
- 7 months post enrollment
- Population
- All randomized participants (Intent-to-treat analysis)
Source ClinicalTrials.gov
Trial
- Title
- Text Message Quit Vaping Intervention for Young Adults
- NCT number
- NCT04251273
- Phases
- NA
- Conditions
- Tobacco Cessation
- Interventions
- This is Quitting, Assessment only Control
- Lead sponsor
- Truth Initiative
- Results first posted
- 2023-02-14
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT04251273?tab=results
Source ClinicalTrials.gov
Source
- Release
- trial-comparisons-2026-03-23-0.1.0
- Release manifest SHA-256
- f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57
- AACT copy
- 2026-03-23
- Tables read
- outcome_counts.parquet, outcome_measurements.parquet, outcomes.parquet, reported_event_totals.parquet, reported_events.parquet, result_groups.parquet, studies.parquet, ctgov_trial.parquet
Source ClinicalTrials.gov
Sources 2
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.
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