Universität zu Köln

Rahn, Anne C., Riemann-Lorenz, Karin ORCID: 0000-0002-0779-2640, Alegiani, Anna, Pust, Gesa E. A., van de Roemer, Adrianus, Schmitz, Leonie, Vettorazzi, Eik ORCID: 0000-0002-3737-6402, Kopke, Sascha and Heesen, Christoph (2021). Comprehension of confidence intervals in audio-visual patient information materials for people with multiple sclerosis (COCO-MS): A web-based randomised controlled, parallel group trial. Patient Educ. Couns., 104 (5). S. 1132 - 1140. CLARE: ELSEVIER IRELAND LTD. ISSN 1873-5134

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Abstract

Objectives: To evaluate patient information materials on confidence intervals (CIs) in multiple sclerosis to be used with patient decision aids. Methods: Web-based randomised controlled parallel group trial with four study arms. Participants were equally allocated to one of three versions of audio-visual patient information or to a standard written information (arm IV). In the short version (arm III), CIs were explained without using an example, in the other two versions examples were used (arm I and arm II). The examples are based on an apple farmer who wants to estimate the average weight of his apples (arm I) and to test a treatment against worms (arm II). Primary endpoint was comprehension of CIs, assessed with a six-item multiple-choice questionnaire. Results: 855 of 1068 (80 %) randomised participants completed the survey (71 % arm I, 73 % arm II, 87 % arm III, 90 % arm IV). The median of correctly answered questions on CIs was 4 out of 6 questions in arms I and II and 5 out of 6 questions in arm III. Compared to the standard information (arm IV), all the other arms scored better on the comprehension questionnaire (ANOVA, p <= 0.003). Conclusions: Information about CIs can be presented comprehensibly. High scores and a high rate of completers indicate that the short version is the favourable one. Practice implications: Information materials on CIs should be used alongside absolute risk reductions in patient decision aids to enhance the interpretation of study results. (C) 2020 Elsevier B.V. All rights reserved.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Rahn, Anne C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Riemann-Lorenz, Karin UNSPECIFIED orcid.org/0000-0002-0779-2640 UNSPECIFIED Alegiani, Anna UNSPECIFIED UNSPECIFIED UNSPECIFIED Pust, Gesa E. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED van de Roemer, Adrianus UNSPECIFIED UNSPECIFIED UNSPECIFIED Schmitz, Leonie UNSPECIFIED UNSPECIFIED UNSPECIFIED Vettorazzi, Eik UNSPECIFIED orcid.org/0000-0002-3737-6402 UNSPECIFIED Kopke, Sascha UNSPECIFIED UNSPECIFIED UNSPECIFIED Heesen, Christoph UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-586820
DOI:	10.1016/j.pec.2020.09.035
Journal or Publication Title:	Patient Educ. Couns.
Volume:	104
Number:	5
Page Range:	S. 1132 - 1140
Date:	2021
Publisher:	ELSEVIER IRELAND LTD
Place of Publication:	CLARE
ISSN:	1873-5134
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SHARED DECISION-MAKING; PREFERENCES Multiple languages Public, Environmental & Occupational Health; Social Sciences, Interdisciplinary Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/58682