A randomised controlled trial to determine the effect on response of including a lottery incentive in health surveys

ISRCTN ISRCTN32203485
DOI https://doi.org/10.1186/ISRCTN32203485
Protocol serial number N/A
Sponsor University of Birmingham (UK)
Funder Internally funded by the Department of Primary Care and General Practice, University of Birmingham (UK)
Submission date
08/09/2004
Registration date
10/09/2004
Last edited
07/08/2007
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

Dr Lesley Roberts
Scientific

Department of General Practice
University of Birmingham
Edgbaston
Birmingham
B15 2TT
United Kingdom

Phone +44 (0)121 414 3356
Email l.m.roberts@bham.ac.uk

Study information

Primary study designInterventional
Study designRandomised controlled trial
Secondary study designRandomised controlled trial
Scientific title
Study objectivesNot provided at time of registration
Ethics approval(s)Not provided at time of registration
Health condition(s) or problem(s) studiedHealth survey incentives
InterventionLottery style incentive versus no incentive
Intervention typeOther
Primary outcome measure(s)

Not provided at time of registration

Key secondary outcome measure(s)

Not provided at time of registration

Completion date01/07/2001

Eligibility

Participant type(s)Patient
Age groupNot Specified
SexNot Specified
Target sample size at registration8645
Key inclusion criteriaGeneral adult population receiving health survey
Key exclusion criteriaNot provided at time of registration
Date of first enrolment01/01/2001
Date of final enrolment01/07/2001

Locations

Countries of recruitment

  • United Kingdom
  • England

Study participating centre

Department of General Practice
Birmingham
B15 2TT
United Kingdom

Results and Publications

Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article Results 08/11/2004 Yes No