The effect of direct payment or a lottery on questionnaire response rates: a randomised controlled trial
ISRCTN | ISRCTN45481467 |
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DOI | https://doi.org/10.1186/ISRCTN45481467 |
Secondary identifying numbers | N/A |
- Submission date
- 23/01/2004
- Registration date
- 23/01/2004
- Last edited
- 23/05/2008
- Recruitment status
- No longer recruiting
- Overall study status
- Completed
- Condition category
- Other
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Plain English summary of protocol
Not provided at time of registration
Contact information
Prof Bonnie Sibbald
Scientific
Scientific
National primary Care Research and Development Centre
5th Floor
Williamson Building
University of Manchester
Manchester
M13 9PL
United Kingdom
Phone | +44 (0)161 275 7604 |
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bonnie.sibbald@man.ac.uk |
Study information
Study design | Randomised controlled trial |
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Primary study design | Interventional |
Secondary study design | Randomised controlled trial |
Study setting(s) | Not specified |
Study type | Not Specified |
Scientific title | |
Study objectives | Not provided at time of registration |
Ethics approval(s) | Not provided at time of registration |
Health condition(s) or problem(s) studied | Questionnaire response rates |
Intervention | 1. Direct payment for questionnaire completion 2. Entry into lottery for questionnaire completion |
Intervention type | Other |
Primary outcome measure | Not provided at time of registration |
Secondary outcome measures | Not provided at time of registration |
Overall study start date | 01/09/1997 |
Completion date | 30/11/1997 |
Eligibility
Participant type(s) | Patient |
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Age group | Not Specified |
Sex | Female |
Target number of participants | Added as of 23/05/2008: 1000 |
Key inclusion criteria | Women aged 40 to 65 |
Key exclusion criteria | Not provided at time of registration |
Date of first enrolment | 01/09/1997 |
Date of final enrolment | 30/11/1997 |
Locations
Countries of recruitment
- England
- United Kingdom
Study participating centre
National primary Care Research and Development Centre
Manchester
M13 9PL
United Kingdom
M13 9PL
United Kingdom
Sponsor information
NHS R&D Regional Programme Register - Department of Health (UK)
Government
Government
The Department of Health
Richmond House
79 Whitehall
London
SW1A 2NL
United Kingdom
Phone | +44 (0)20 7307 2622 |
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dhmail@doh.gsi.org.uk | |
Website | http://www.doh.gov.uk |
Funders
Funder type
Government
NHS Executive North West (UK)
No information available
Results and Publications
Intention to publish date | |
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Individual participant data (IPD) Intention to share | No |
IPD sharing plan summary | Not provided at time of registration |
Publication and dissemination plan | Not provided at time of registration |
IPD sharing plan |
Study outputs
Output type | Details | Date created | Date added | Peer reviewed? | Patient-facing? |
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Results article | Results | 01/01/2000 | Yes | No |