Comparison · NCT01206738-118e3c4d
Email vs Post: Email vs Postal Recruitment: Number of GPs Completing the First Questionnaire
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. Email vs Post: Email vs Postal Recruitment: Number of GPs Completing the First Questionnaire. Trial comparisons, record NCT01206738-118e3c4d. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT01206738-118e3c4d
On this page
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 | 0.157 | 0.134 | 0.182 | wilson | |
| Risk in group 2 | 0.15 | 0.128 | 0.175 | wilson | |
| Risk difference, group 1 minus group 2 | 0.00682 | -0.0269 | 0.0405 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 1.05 | 0.839 | 1.3 | log | |
| Odds ratio, group 1 over group 2 | 1.05 | 0.813 | 1.37 | log | |
| Number needed to treat, for one more participant with the outcome on Email than on Post | 147 | 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 | GPs receiving an email invitation | 138 | 880 | OG000 | |
| Group 2 | Post | GPs receiving a postal invitation | 132 | 880 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- PRIMARY
- Title
- Email vs Postal Recruitment: Number of GPs Completing the First Questionnaire
- Description
- GPs were randomly allocated to receive their invitation to take part by email or by post. Outcome measure was proportion of GPs responding by completing the first questionnaire
- Time frame
- 27/1/20111 - 15/5/2011
- Population
- 880 physicians received email and 880 received postal invitations. 138 and 132 responded respectively.
Source ClinicalTrials.gov
Trial
- Title
- Developing and Evaluating Interventions to Reduce Inappropriate Prescribing of Antibiotics in Primary Care
- NCT number
- NCT01206738
- Phases
- NA
- Conditions
- Antibiotic Prescribing by GPs for URTI
- Interventions
- Persuasive communication, Action plan, General intervention
- Lead sponsor
- University of Dundee
- Results first posted
- 2014-03-18
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT01206738?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.
For software
Read this comparison from software.
The record is JSON. No key.
GET https://conductscience.org/api/comparisons/v1/NCT01206738-118e3c4d