Condition category
Musculoskeletal Diseases
Date applied
13/12/2007
Date assigned
21/12/2007
Last edited
02/10/2008
Prospective/Retrospective
Retrospectively registered
Overall trial status
Completed
Recruitment status
No longer recruiting

Plain English Summary

Not provided at time of registration

Trial website

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 measures

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

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

Results - basic reporting

Publication summary

2008 results in http://www.ncbi.nlm.nih.gov/pubmed/18710487

Publication citations

  1. 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.

Additional files

Editorial Notes