Contact information
Type
Scientific
Primary contact
Ms Cheryl Carling
ORCID ID
Contact details
PO box 7004
St Olavs Plass
Oslo
N-0130
Norway
+47 98627327
cheryl.carling@kunnskapssenteret.no
Additional identifiers
EudraCT number
ClinicalTrials.gov number
Protocol/serial number
N/A
Study information
Scientific title
Acronym
HIPPO (Health Information Project, Presentation Online)
Study hypothesis
The null hypotheses for this study are that in terms of congruence between peoples' values and treatment decisions there is no difference between the following graphical displays used to present the benefits of antibiotics for sore throat:
1. Faces at 3 days and Bar graphs at 3 days
2. Bar graphs of Duration of symptoms and Bar graphs at 3 days, and
3. Bar graphs at 0, 3 and 7 days and Bar graphs at 3 days.
Ethics approval
The University at Buffalo (New York, USA), Health Sciences Institutional Review Board, approved on 15 May 2002.
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
Sore throat (hypothetical scenario)
Intervention
Presentations of graphical displays showing evidence of penicillin's effect on sore throat.
Intervention type
Other
Phase
Not Specified
Drug names
Primary outcome measures
Hypothetical treatment decision to take or not to take penicillin.
Secondary outcome measures
Understanding of and satisfaction with information, and preferred graphical display.
Overall trial start date
01/09/2004
Overall trial end date
31/10/2004
Reason abandoned
Eligibility
Participant inclusion criteria
Fluency in Norwegian and at least 18 years of age.
Participant type
Patient
Age group
Adult
Gender
Not Specified
Target number of participants
3000
Participant exclusion criteria
Previous participation in this trial.
Recruitment start date
01/09/2004
Recruitment end date
31/10/2004
Locations
Countries of recruitment
Norway
Trial participating centre
PO box 7004
Oslo
N-0130
Norway
Sponsor information
Organisation
Norwegian Knowledge Centre for the Health Services (Norway)
Sponsor details
PO box 7004
St Olavs Plass
Oslo
N-0130
Norway
+47 (0)23 25 50 00
post@kunnskapssenteret.no
Sponsor type
Other
Website
Funders
Funder type
Research council
Funder name
Norwegian Research Council (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
2009 results in http://www.ncbi.nlm.nih.gov/pubmed/19707579
Publication citations
-
Results
Carling CL, Kristoffersen DT, Flottorp S, Fretheim A, Oxman AD, Schünemann HJ, Akl EA, Herrin J, MacKenzie TD, Montori VM, The effect of alternative graphical displays used to present the benefits of antibiotics for sore throat on decisions about whether to seek treatment: a randomized trial., PLoS Med., 2009, 6, 8, e1000140, doi: 10.1371/journal.pmed.1000140.