Trial · NCT01977599
Are Text Message Reminders an Effective Intervention for Improving the Uptake of Breast Screening?
NCT01977599, Not applicable, Completed, Imperial College Healthcare NHS Trust; results first posted 2021-04-06
3 sourcestrials-2026-11-12-0.5.0
Cite this record
ConductScience Library. Are Text Message Reminders an Effective Intervention for Improving the Uptake of Breast Screening? Trials, record NCT01977599. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT01977599
On this page
Trial
As registered on ClinicalTrials.gov, in the graph's capture of the registry.
- Title
- Are Text Message Reminders an Effective Intervention for Improving the Uptake of Breast Screening?
- NCT number
- NCT01977599
- Status
- Completed
- Phases
- Not applicable
- Enrollment
- 2,240 participants, actual
- Lead sponsor
- Imperial College Healthcare NHS Trust
- Conditions
- Breast Screening
- Interventions
- Text Message Reminder for Breast Screening Appointment
- First posted
- 2013-11-06
- Last updated
- 2021-04-06
- Results first posted
- 2021-04-06
Source ClinicalTrials.gov
Registered outcomes2
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
| List | Outcome | Time frame | Description |
|---|---|---|---|
| Primary | Attendance at Breast Screening | The text message was sent 48 hours before the appointment, attendance was assessed 60 days after the appointment date. | Number of women that participate in breast screening in the control (no text message reminder) compared with the number of women that participate in the intervention (text message reminder 48 hours before appointment). |
| Secondary | Mobile Prevalence | The accuracy of patient mobile records was assessed for the intervention group at the time the text reminder was sent (i.e. 48 hours before the appointment). A check for the control group was performed at the same time. | Number of women with a valid mobile telephone number on the GP Clinical System |
Source ClinicalTrials.gov
Outcomes2
Each outcome the trial posted results for, in ClinicalTrials.gov's words.
| Type | Outcome | Time frame | Population | Units | Measured as |
|---|---|---|---|---|---|
| PRIMARY | Attendance at Breast Screening | The text message was sent 48 hours before the appointment, attendance was assessed 60 days after the appointment date. | Participants | COUNT_OF_PARTICIPANTS | |
| SECONDARY | Mobile Prevalence | The accuracy of patient mobile records was assessed for the intervention group at the time the text reminder was sent (i.e. 48 hours before the appointment). A check for the control group was performed at the same time. | Participants | COUNT_OF_PARTICIPANTS |
Source ClinicalTrials.gov
Results by group4
Each measurement the trial posted, group by group, in the words and numbers it posted.
| Outcome | Group | Category | Value | Spread | Units |
|---|---|---|---|---|---|
| Attendance at Breast Screening | No Text Message Reminder (Control) Arm | 661 | Participants | ||
| Attendance at Breast Screening | Text Message Reminder Arm | 722 | Participants | ||
| Mobile Prevalence | No Text Message Reminder (Control) Arm | 435 | Participants | ||
| Mobile Prevalence | Text Message Reminder Arm | 456 | Participants |
Source ClinicalTrials.gov
Participant flow6
How many started, completed or left each group, period by period.
| Period | Milestone | Group | Participants | Units counted |
|---|---|---|---|---|
| Overall Study | STARTED | No Text Message Reminder (Control) Arm | 1,118 | |
| Overall Study | STARTED | Text Message Reminder Arm | 1,122 | |
| Overall Study | COMPLETED | No Text Message Reminder (Control) Arm | 1,118 | |
| Overall Study | COMPLETED | Text Message Reminder Arm | 1,122 | |
| Overall Study | NOT COMPLETED | No Text Message Reminder (Control) Arm | 0 | |
| Overall Study | NOT COMPLETED | Text Message Reminder Arm | 0 |
Source ClinicalTrials.gov
Adverse events0
Each adverse event the trial posted, group by group: the participants affected out of those at risk.
None in this release.
Adverse event totals6
The totals the trial posted for each group.
| Total | Group | Affected | At risk |
|---|---|---|---|
| Total, all-cause mortality | No Text Message Reminder (Control) Arm | 0 | 1,118 |
| Total, all-cause mortality | Text Message Reminder Arm | 0 | 1,122 |
| Total, other adverse events | No Text Message Reminder (Control) Arm | 0 | 1,118 |
| Total, other adverse events | Text Message Reminder Arm | 0 | 1,122 |
| Total, serious adverse events | No Text Message Reminder (Control) Arm | 0 | 1,118 |
| Total, serious adverse events | Text Message Reminder Arm | 0 | 1,122 |
Source ClinicalTrials.gov
Papers0
The papers the trial lists on ClinicalTrials.gov.
None in this release.
Grants0
The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.
None in this release.
Trial comparisons4
Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.
| Comparison | Source |
|---|---|
| No Text Message Reminder (Control) Arm vs Text Message Reminder Arm: Attendance at Breast Screening | Trial comparisons |
| No Text Message Reminder (Control) Arm vs Text Message Reminder Arm: Mobile Prevalence | Trial comparisons |
| No Text Message Reminder (Control) Arm vs Text Message Reminder Arm: deaths from any cause | Trial comparisons |
| No Text Message Reminder (Control) Arm vs Text Message Reminder Arm: serious adverse events | Trial comparisons |
Tests0
The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.
None in this release.
Data dates
The day each source was copied for this release.
Sources 3
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
- NIH RePORTER's clinical studies and project filesPublic domain
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
- NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.
For software
Read this trial from software.
The record and each of its lists are JSON, twenty rows a page. No key.
GET https://conductscience.org/api/trials/v1/NCT01977599
GET https://conductscience.org/api/trials/v1/NCT01977599/registered