Contact information
Type
Scientific
Primary contact
Dr Gro Jamtvedt
ORCID ID
Contact details
Norwegian Knowledge Centre for Health Services
PO Box 7004
St. Olavs plass
Oslo
0130
Norway
grj@kunnskapssenteret.no
Additional identifiers
EudraCT number
ClinicalTrials.gov number
Protocol/serial number
N/A
Study information
Scientific title
Does chocolate increase response rate in a survey of physiotherapy performance?
Acronym
Study hypothesis
The aim of this study was to assess the effect of a small incentive, a bar of dark chocolate, on response rate of a questionnaire for physiotherapists in a study of physiotherapy performance in patients with knee osteoarthritis.
The Chocolate trial was performed as part of a survey entitled "Physiotherapy performance in patients with knee osteoarthritis; a prospective study."
Ethics approval
The Regional Committee for Medical Research Ethics in Norway, approved on the 27th February 2006 (ref: nbs-06055)
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
Physiotherapy performance for knee osteoarthritis
Intervention
Bar of chocolate added to questionnaire vs questionnaire only
Intervention type
Drug
Phase
Not Specified
Drug names
Chocolate
Primary outcome measure
Response rate to survey of practice
Secondary outcome measures
No secondary outcome measures
Overall trial start date
07/07/2006
Overall trial end date
07/07/2007
Reason abandoned (if study stopped)
Eligibility
Participant inclusion criteria
Physiotherapists working in private practice and members of Norwegian Physiotherapy Association
Participant type
Patient
Age group
Adult
Gender
Both
Target number of participants
2,056 physiotherapists
Participant exclusion criteria
Not working in clinical practice
Recruitment start date
07/07/2006
Recruitment end date
07/07/2007
Locations
Countries of recruitment
Norway
Trial participating centre
Norwegian Knowledge Centre for Health Services
Oslo
0130
Norway
Sponsor information
Organisation
Norwegian Knowledge Centre for Health Services (Norway)
Sponsor details
c/o Mrs Gro Jamtvedt
PO Box 7004
St. Olavs plass
Oslo
0130
Norway
grj@kunnskapssenteret.no
Sponsor type
Research organisation
Website
Funders
Funder type
Research organisation
Funder name
The Norwegian Fund for Post-Graduate Training in Physiotherapy (Norway)
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
Basic results (scientific)
Publication list
2008 results in http://www.ncbi.nlm.nih.gov/pubmed/18710487
Publication citations
-
Results
Jamtvedt G, Rosenbaum S, Dahm KT, Flottorp S, Chocolate bar as an incentive did not increase response rate among physiotherapists: a randomised controlled trial., BMC Res Notes, 2008, 1, 34, doi: 10.1186/1756-0500-1-34.