Comparison · NCT02713594-885852b5
Incentive vs Control: Abstinence From Smoking
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. Incentive vs Control: Abstinence From Smoking. Trial comparisons, record NCT02713594-885852b5. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02713594-885852b5
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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 | 0.216 | 0.191 | 0.244 | wilson | |
| Risk in group 2 | 0.138 | 0.117 | 0.161 | wilson | |
| Risk difference, group 1 minus group 2 | 0.0786 | 0.0444 | 0.113 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 1.57 | 1.29 | 1.92 | log | |
| Odds ratio, group 1 over group 2 | 1.73 | 1.36 | 2.2 | log | |
| Number needed to treat, for one more participant with the outcome on Incentive than on Control | 12.7 | 8.87 | 22.5 | from the risk difference interval |
Source ClinicalTrials.gov
Groups2
Group 2 names the comparator: control.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | Incentive | Counseling from WTQL; Financial incentive to participate | 205 | 948 | OG001 |
| Group 2 | Control | Counseling from WTQL | 131 | 952 | OG000 |
Source ClinicalTrials.gov
Outcome
- Type
- PRIMARY
- Title
- Abstinence From Smoking
- Description
- The primary outcome data will be the biochemically confirmed abstinence using urine (measured cotinine) or exhaled (breath) carbon monoxide (CO).
- Time frame
- Measured 6 months after enrollment at follow-up assessment
- Population
Source ClinicalTrials.gov
Trial
- Title
- Wisconsin Tobacco Quit Line Medicaid Incentive Evaluation
- NCT number
- NCT02713594
- Phases
- NA
- Conditions
- Smoking, Smoking Cessation, Nicotine Dependence
- Interventions
- Counseling from WTQL, Financial incentive to participate
- Lead sponsor
- University of Wisconsin, Madison
- Results first posted
- 2017-04-21
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT02713594?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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