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Communicating Evidence From Systematic Reviews to the Public

NCT ID: NCT01939925

Last Updated: 2013-09-11

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

193 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-05-31

Study Completion Date

2009-10-31

Brief Summary

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The purpose of this randomised controlled trial is to compare a new standardised summary format for presentation of synthesised evidence from systematic reviews for the public (a new plain language summary format) to the current format used in Cochrane systematic reviews. The study will evaluate if the new presentation improves understanding about the benefits and harms of an intervention, if it improves the accessibility of the information, and if it is preferred over other versions by the public over the current format.

Detailed Description

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Conditions

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Adult

Keywords

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patient education Health Knowledge, Attitudes, Practice comprehension consumer health information

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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New plain language summary format

New plain language summary format of a Cochrane systematic review

Group Type EXPERIMENTAL

New plain language summary format

Intervention Type OTHER

New plain language summary includes qualitative and quantitative description of text (absolute effects and natural frequencies provided); quantitative results provided in a table; quality of the evidence according to GRADE provided in a table; question and answer format; follows principles of linguistic frameworks (e.g. progressive movements from introduction to 'bottom line')

Current plain language summary format

Plain Language Summary format for the public currently in use in Cochrane systematic reviews

Group Type ACTIVE_COMPARATOR

Current plain language summary format

Intervention Type OTHER

Current plain language summary includes qualitative description of effects only; inconsistent description of the quality of the evidence; paragraph of text; inconsistent flow of information

Interventions

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New plain language summary format

New plain language summary includes qualitative and quantitative description of text (absolute effects and natural frequencies provided); quantitative results provided in a table; quality of the evidence according to GRADE provided in a table; question and answer format; follows principles of linguistic frameworks (e.g. progressive movements from introduction to 'bottom line')

Intervention Type OTHER

Current plain language summary format

Current plain language summary includes qualitative description of effects only; inconsistent description of the quality of the evidence; paragraph of text; inconsistent flow of information

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* patients or members of the public 16 years or older
Minimum Eligible Age

16 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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McMaster University

OTHER

Sponsor Role collaborator

University of Ottawa

OTHER

Sponsor Role collaborator

Asociacion Colaboracion Cochrane Iberoamericana

OTHER

Sponsor Role collaborator

University of Milan

OTHER

Sponsor Role collaborator

Norwegian Knowledge Centre for the Health Services

OTHER_GOV

Sponsor Role lead

Responsible Party

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Claire Glenton

Senior Researcher

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Claire Glenton, PhD

Role: PRINCIPAL_INVESTIGATOR

Norwegian Knowledge Centre for the Health Services

Holger J Schunemann, MD PhD

Role: PRINCIPAL_INVESTIGATOR

McMaster University

Nancy A Santesso, RD PhD cand

Role: PRINCIPAL_INVESTIGATOR

McMaster University

Locations

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Argentine Cochrane Centre, Instituto de Efectividad Clínica y Sanitaria (IECS)

Buenos Aires, , Argentina

Site Status

University of Ottawa

Ottawa, Ontario, Canada

Site Status

University of Milan

Milan, , Italy

Site Status

Norwegian Knowledge Centre for the Health Services

Oslo, , Norway

Site Status

Centro Cochrane Iberoamericano - Hospital de la Santa Creu i Sant Pau

Barcelona, , Spain

Site Status

Countries

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Argentina Canada Italy Norway Spain

Other Identifiers

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PLSRCT1

Identifier Type: -

Identifier Source: org_study_id