Effects of a financial incentive on the response rate to an online questionnaire

ISRCTN ISRCTN59912797
DOI https://doi.org/10.1186/ISRCTN59912797
Secondary identifying numbers N/A
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

Public & Environmental Health Research Unit
London School of Hygiene & Tropical Medicine
Keppel Street
London
WC1E 7HT
United Kingdom

Email Mark.Petticrew@lshtm.ac.uk

Study information

Study designRandomised controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Other
Study typeOther
Scientific titleEffects of a financial incentive on the response rate to an online questionnaire: a randomised controlled trial
Study objectivesTo 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) studiedResearch dissemination
InterventionKnowledge 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 typeOther
Primary outcome measureRate of response between the two groups.
Secondary outcome measuresNo secondary outcome measures
Overall study start date13/10/2008
Completion date19/12/2008

Eligibility

Participant type(s)Patient
Age groupOther
SexBoth
Target number of participants536
Key inclusion criteriaUK 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 criteriaAny principal investigators not based in UK.
Date of first enrolment13/10/2008
Date of final enrolment19/12/2008

Locations

Countries of recruitment

  • England
  • United Kingdom

Study participating centre

Public & Environmental Health Research Unit
London
WC1E 7HT
United Kingdom

Sponsor information

Medical Research Council (UK)
Government

MRC General Practice Research Framework
Stephenson House
158-160 North Gower Street
London
NW1 2ND
United Kingdom

Email IN@gprf.mrc.ac.uk
Website http://www.gprf.mrc.ac.uk/
ROR logo "ROR" https://ror.org/03x94j517

Funders

Funder type

Government

Medical Research Council (MRC) Population Health Sciences Research Network (UK) (Ref: PHSRN 11)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot 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