What is the effect of alternative formats presenting the effects of antidepressants for moderate depression on decisions about whether to use them?

ISRCTN ISRCTN18030685
DOI https://doi.org/10.1186/ISRCTN18030685
Protocol serial number N/A
Sponsor Norwegian Knowledge Centre for the Health Services (Norway)
Funder Norwegian Research Council (Norway)
Submission date
09/03/2007
Registration date
04/05/2007
Last edited
23/09/2021
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Mental and Behavioural Disorders
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English summary of protocol

Not provided at time of registration

Contact information

Ms Cheryl Carling
Scientific

PO box 7004
St Olavs Plass
Oslo
N-0130
Norway

Phone +47 98627327
Email cheryl.carling@kunnskapssenteret.no

Study information

Primary study designInterventional
Study designRandomized controlled trial
Secondary study designRandomised controlled trial
Scientific titleWhat is the effect of alternative formats presenting the effects of antidepressants for moderate depression on decisions about whether to use them?
Study acronymHIPPO (Health Information Project, Presentation Online)
Study objectivesThe null hypotheses for this study are that in terms of congruence between peoples' values and treatment decisions there is no difference between:
1. Words without frequencies and tabular information
2. Words without frequencies and graphically presented information, and
3. Graphically presented information and tabular information.
Ethics approval(s)The University at Buffalo (New York, USA), Health Sciences Institutional Review Board approved on 15 May 2002.
Health condition(s) or problem(s) studiedModerate depression (hypothetical scenario)
InterventionParticipants were randomized to view one of the following presentation formats of the effects of antidepressants for moderate depression:
1. Graphically presented information
2. Tabular information
3. Words without frequencies
4. No information
Intervention typeOther
Primary outcome measure(s)

Hypothetical treatment decision to take or not to take anti-depressants (Selective Serotonin Reuptake Inhibitors [SSRIs]).

Key secondary outcome measure(s)

Preferred presentation.

Completion date05/02/2006

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
SexNot Specified
Target sample size at registration1400
Key inclusion criteriaAt least 18 years of age and fluent in Norwegian.
Key exclusion criteriaPrevious participation in this trial.
Date of first enrolment17/10/2005
Date of final enrolment05/02/2006

Locations

Countries of recruitment

  • Norway

Study participating centre

PO box 7004
Oslo
N-0130
Norway

Results and Publications

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

Editorial Notes

23/09/2021: Proactive update review. No publications found. Search options exhausted.