Effects of a financial incentive on the response rate to an online questionnaire
| ISRCTN | ISRCTN59912797 |
|---|---|
| DOI | https://doi.org/10.1186/ISRCTN59912797 |
| Protocol serial number | N/A |
| Sponsor | Medical Research Council (UK) |
| Funder | Medical Research Council (MRC) Population Health Sciences Research Network (UK) (Ref: PHSRN 11) |
- Submission date
- 08/12/2008
- Registration date
- 27/03/2009
- Last edited
- 12/05/2010
- 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 Mark Petticrew
Scientific
Scientific
Public & Environmental Health Research Unit
London School of Hygiene & Tropical Medicine
Keppel Street
London
WC1E 7HT
United Kingdom
| Mark.Petticrew@lshtm.ac.uk |
Study information
| Primary study design | Interventional |
|---|---|
| Study design | Randomised controlled trial |
| Secondary study design | Randomised controlled trial |
| Scientific title | Effects of a financial incentive on the response rate to an online questionnaire: a randomised controlled trial |
| Study objectives | To assess whether monetary incentives increase response rates to online questionnaires. |
| Ethics approval(s) | Institute for Research in the Social Sciences (IRISS) Ethics Committee, University of York, approved on 10/07/2008. |
| Health condition(s) or problem(s) studied | Research dissemination |
| Intervention | Knowledge of incentive vs no knowledge of incentive. Gift vouchers (from Amazon.com, Inc.) to the value of £10 (British pounds) were to be given to all participants who completed the questionnaire. The questionnaire/invitation was first sent to the participants on 13 October 2008. Those who did not respond by 31 December 2008 were considered to be non-responders. |
| Intervention type | Other |
| Primary outcome measure(s) |
Rate of response between the two groups. |
| Key secondary outcome measure(s) |
No secondary outcome measures |
| Completion date | 19/12/2008 |
Eligibility
| Participant type(s) | Patient |
|---|---|
| Age group | Other |
| Sex | All |
| Target sample size at registration | 536 |
| Key inclusion criteria | UK based principal investigators of health services and public health research completed 2003-2008 and (extramural) funded by the Chief Scientist Office, Economic and Social Research Council, Medical Research Council, NIHR Health Technology Assessment Programme, NIHR Service Delivery and Organisation Programme or Wellcome Trust. |
| Key exclusion criteria | Any principal investigators not based in UK. |
| Date of first enrolment | 13/10/2008 |
| Date of final enrolment | 19/12/2008 |
Locations
Countries of recruitment
- United Kingdom
- England
Study participating centre
Public & Environmental Health Research Unit
London
WC1E 7HT
United Kingdom
WC1E 7HT
United Kingdom
Results and Publications
| Individual participant data (IPD) Intention to share | No |
|---|---|
| IPD sharing plan summary | Not provided at time of registration |
| IPD sharing plan |
Study outputs
| Output type | Details | Date created | Date added | Peer reviewed? | Patient-facing? |
|---|---|---|---|---|---|
| Results article | results | 10/05/2010 | Yes | No |
