Comparison · NCT04843501-88cac6bc
CATCH My Breath (CMB) Program for E-cigarette Prevention Among Adolescents vs Texas Education Agency Required Tobacco Prevention Program: Number of Students Who Are Susceptible to E-cigarette Use
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
2 sourcestrial-comparisons-2026-03-23-0.1.0
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ConductScience Library. CATCH My Breath (CMB) Program for E-cigarette Prevention Among Adolescents vs Texas Education Agency Required Tobacco Prevention Program: Number of Students Who Are Susceptible to E-cigarette Use. Trial comparisons, record NCT04843501-88cac6bc. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT04843501-88cac6bc
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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 | 0.345 | 0.317 | 0.375 | wilson | |
| Risk in group 2 | 0.324 | 0.285 | 0.365 | wilson | |
| Risk difference, group 1 minus group 2 | 0.0214 | -0.0285 | 0.0699 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 1.07 | 0.918 | 1.24 | log | |
| Odds ratio, group 1 over group 2 | 1.1 | 0.881 | 1.38 | log | |
Number needed to treat, for one more participant with the outcome on CATCH My Breath (CMB) Program for E-cigarette Prevention Among Adolescents than on Texas Education Agency Required Tobacco Prevention Program | 46.7 | from the risk difference interval | the interval includes no difference |
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 | CATCH My Breath (CMB) Program for E-cigarette Prevention Among Adolescents | CATCH My Breath (CMB) program for E-cigarette prevention among adolescents: CMB has 4 developmentally appropriate e-cigarette lessons, 20-30 minutes in each of 6th-8th grades. A variety of educational strategies are used and include cooperative learning groups, large group discussions, interviews, role-play, media, reports, and goal setting. E-cigarette focused science and humanities activities (2 per school year) are also provided. An informational tool kit will be provided to parents. Finally, 8 activity-based E-cig PE lessons are intended for either 7th or 8th grades, depending on school calendar. CMB will provide study materials to teachers and schools through a state-of-the art online delivery portal. A site-based management team will oversee program implementation. Teachers will be trained via webinar. Project staff will visit all participating schools to assemble and train the CATCH site-based management team, and answer questions about the study. Teachers in CMB intervention schools will be provided with CMB-specific training for implementing the lessons with fidelity through a one-hour live webinar with Dr. Kelder, which will be offered at multiple times to accommodate teaching schedules. | 357 | 1,034 | OG000 |
| Group 2 | Texas Education Agency Required Tobacco Prevention Program | The TEA tobacco prevention program is a state-supported program that meets the mandates of the state. It includes online lessons and support materials.~Texas Education Agency (TEA) required tobacco prevention program: The TEA tobacco prevention program is a state-supported program that meets the mandates of the state. It includes TEA developed online lessons and support materials and also includes elements of the CDC Know the Risks e-cigarette prevention program. This can be considered 'usual care' | 171 | 528 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- PRIMARY
- Title
- Number of Students Who Are Susceptible to E-cigarette Use
- Description
Susceptibility to e-cigarette use is defined as never used an e-cigarette but having tendencies that indicate that e-cigarette use is likely. Susceptibility is assessed with a questionnaire that asks Do any of your friends use e-cigarettes?, Are you curious about e-cigarettes?, and Do you think you will try an e-cigarette in the next year? Yes to any of these three questions indicates susceptibility to e-cigarette use.
- Time frame
- baseline
- Population
- Participants who indicated they have never used an e-cigarette were assessed for this outcome. Data were only collected for participants who answered the questions.
Source ClinicalTrials.gov
Trial
- Title
- Middle School Cluster Randomized Controlled Trial (RCT) to Evaluate E-Cigarette Prevention Program: CATCH My Breath
- NCT number
- NCT04843501
- Phases
- NA
- Conditions
- E-cigarette Use
- Interventions
- CATCH My Breath (CMB) program for E-cigarette prevention among adolescents, Texas Education Agency (TEA) required tobacco prevention program
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Results first posted
- 2026-02-06
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT04843501?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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