EHR-based Referral to Quit Line vs Fax-based Referral to Quit Line: Number of Participants Self-reporting Smoking Abstinence
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
Measures 6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note | Source |
|---|---|---|---|---|---|---|
| Risk in group 1 | 0.00454 | 0.00325 | 0.00634 | wilson | ClinicalTrials.gov | |
| Risk in group 2 | 0.00196 | 0.00117 | 0.00328 | wilson | ClinicalTrials.gov | |
| Risk difference, group 1 minus group 2 | 0.00259 | 0.000738 | 0.00455 | newcombe hybrid score | ClinicalTrials.gov | |
| Risk ratio, group 1 over group 2 | 2.32 | 1.25 | 4.32 | log | ClinicalTrials.gov | |
| Odds ratio, group 1 over group 2 | 2.33 | 1.25 | 4.34 | log | ClinicalTrials.gov | |
| Number needed to treat, for one more participant with the outcome on EHR-based Referral to Quit Line than on Fax-based Referral to Quit Line | 386 | 220 | 1,350 | from the risk difference interval | ClinicalTrials.gov |
Groups 2
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 | Source |
|---|---|---|---|---|---|---|
| Group 1 | EHR-based Referral to Quit Line | Clinics will use an EHR-based fully-electronic HIPAA-compliant tool to refer their adult patients who use tobacco to the telephone tobacco quitline for tobacco cessation counseling and medication.~Intervention: Behavioral: Tobacco quitline EHR referral~Tobacco quitline EHR referral: Using an EHR-based referral to the tobacco quitline from primary care outpatient clinics. | 34 | 7,481 | OG000 | ClinicalTrials.gov |
| Group 2 | Fax-based Referral to Quit Line | Clinics will use a paper fax tool to refer their adult patients who use tobacco to the telephone tobacco quitline for tobacco cessation counseling and medication.~Intervention: Behavioral: Tobacco quitline Fax referral~Tobacco quitline Fax referral: Using an Fax--based referral to the tobacco quitline from primary care outpatient clinics. | 14 | 7,155 | OG001 | ClinicalTrials.gov |
Outcome 5
| Field | Value | Source |
|---|---|---|
| Type | SECONDARY | ClinicalTrials.gov |
| Title | Number of Participants Self-reporting Smoking Abstinence | ClinicalTrials.gov |
| Description | To evaluate smoking abstinence rates of tobacco users who were referred to and accepted services from the WTQL, comparing those who were referred via an EHR-based referral system vs. those referred via a manual paper fax referral system. | ClinicalTrials.gov |
| Time frame | 7-day point prevalence smoking outcomes at 4-months after participant registration with the WI Tobacco Quit Line. | ClinicalTrials.gov |
| Population | Participant data were derived from Quit Line records. | ClinicalTrials.gov |
Trial 8
| Field | Value | Source |
|---|---|---|
| Title | EHR-Based and Fax-Based Referral to a Tobacco Quitline: A Comparative Study | ClinicalTrials.gov |
| NCT number | NCT02735382 | ClinicalTrials.gov |
| Phases | NA | ClinicalTrials.gov |
| Conditions | Tobacco Use Cessation, Tobacco Smoking | ClinicalTrials.gov |
| Interventions | Tobacco quitline EHR referral, Tobacco quitline Fax referral | ClinicalTrials.gov |
| Lead sponsor | University of Wisconsin, Madison | ClinicalTrials.gov |
| Results first posted | 2019-08-13 | ClinicalTrials.gov |
| Results on ClinicalTrials.gov | https://clinicaltrials.gov/study/NCT02735382?tab=results | ClinicalTrials.gov |
Source 4
| Field | Value | Source |
|---|---|---|
| Release | trial-comparisons-2026-03-23-0.1.0 | ClinicalTrials.gov |
| Release manifest SHA-256 | f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57 | ClinicalTrials.gov |
| AACT copy | 2026-03-23 | ClinicalTrials.gov |
| 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 | ClinicalTrials.gov |
Release trial-comparisons-2026-03-23-0.1.0
ClinicalTrials.gov's posted results, through CTTI's AACT: ClinicalTrials.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.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.
ClinicalTrials.gov: none 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.