EHR-based Referral to Quit Line vs Fax-based Referral to Quit Line: Number of Participants Referred
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 | 0.184 | 0.176 | 0.193 | wilson | ClinicalTrials.gov | |
| Risk in group 2 | 0.0463 | 0.0416 | 0.0514 | wilson | ClinicalTrials.gov | |
| Risk difference, group 1 minus group 2 | 0.138 | 0.128 | 0.148 | newcombe hybrid score | ClinicalTrials.gov | |
| Risk ratio, group 1 over group 2 | 3.99 | 3.55 | 4.48 | log | ClinicalTrials.gov | |
| Odds ratio, group 1 over group 2 | 4.66 | 4.12 | 5.28 | 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 | 7.24 | 6.74 | 7.8 | 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. | 1,380 | 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. | 331 | 7,155 | OG001 | ClinicalTrials.gov |
Outcome 5
| Field | Value | Source |
|---|---|---|
| Type | PRIMARY | ClinicalTrials.gov |
| Title | Number of Participants Referred | ClinicalTrials.gov |
| Description | EHR-based vs. Fax-based rates of referral of adult tobacco users visiting primary care clinics to the tobacco quitline. The rate of referral will be determined by the ratio of total referrals to total smokers identified in the clinic's EHR over a period of 6 months of study observation. | ClinicalTrials.gov |
| Time frame | Rates come from cumulative data collected over the course of 6 months. | ClinicalTrials.gov |
| Population | Participant data were derived from EHR 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.