Contact information
Type
Scientific
Primary contact
Prof Bonnie Sibbald
ORCID ID
Contact details
National primary Care Research and Development Centre
5th Floor
Williamson Building
University of Manchester
Manchester
M13 9PL
United Kingdom
+44 (0)161 275 7604
bonnie.sibbald@man.ac.uk
Additional identifiers
EudraCT number
ClinicalTrials.gov number
Protocol/serial number
N/A
Study information
Scientific title
Acronym
Study hypothesis
Not provided at time of registration
Ethics approval
Not provided at time of registration
Study design
Randomised controlled trial
Primary study design
Interventional
Secondary study design
Randomised controlled trial
Trial setting
Not specified
Trial type
Not Specified
Patient information sheet
Condition
Questionnaire response rates
Intervention
1. Direct payment for questionnaire completion
2. Entry into lottery for questionnaire completion
Intervention type
Other
Phase
Not Specified
Drug names
Primary outcome measures
Not provided at time of registration
Secondary outcome measures
Not provided at time of registration
Overall trial start date
01/09/1997
Overall trial end date
30/11/1997
Reason abandoned
Eligibility
Participant inclusion criteria
Women aged 40 to 65
Participant type
Patient
Age group
Not Specified
Gender
Female
Target number of participants
Added as of 23/05/2008: 1000
Participant exclusion criteria
Not provided at time of registration
Recruitment start date
01/09/1997
Recruitment end date
30/11/1997
Locations
Countries of recruitment
United Kingdom
Trial participating centre
National primary Care Research and Development Centre
Manchester
M13 9PL
United Kingdom
Sponsor information
Organisation
NHS R&D Regional Programme Register - Department of Health (UK)
Sponsor details
The Department of Health
Richmond House
79 Whitehall
London
SW1A 2NL
United Kingdom
+44 (0)20 7307 2622
dhmail@doh.gsi.org.uk
Sponsor type
Government
Website
Funders
Funder type
Government
Funder name
NHS Executive North West (UK)
Alternative name(s)
Funding Body Type
Funding Body Subtype
Location
Results and Publications
Publication and dissemination plan
Not provided at time of registration
Intention to publish date
Participant level data
Not provided at time of registration
Results - basic reporting
Publication summary
Results in http://www.ncbi.nlm.nih.gov/pubmed/10692967
Publication citations
-
Results
Roberts PJ, Roberts C, Sibbald B, Torgerson DJ, The effect of a direct payment or a lottery on questionnaire response rates: a randomised controlled trial., J Epidemiol Community Health, 2000, 54, 1, 71-72.