Lilford, Richard, Chilton, Peter J., Hemming, Karla, Girling, A. J., Taylor, C. A. and Barach, P. (2010) Evaluating policy and service interventions : framework to guide selection and interpretation of study end points. BMJ, Volume 341 . Article number c4413. doi:10.1136/bmj.c4413 ISSN 0959-535X.

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Abstract

There is broad consensus that clinical interventions should be compared in randomised trials measuring patient outcomes. However, methods for evaluation of policy and service interventions remain contested. This article considers one aspect of this complex issue—the selection of the primary end point (the end point used to determine sample size and given most weight in the interpretation of results). Other methodological issues affecting the design and interpretation of evaluations of policy and service interventions (including attributing effect to cause) have been discussed elsewhere,1 and we will consider them only in so far as they may affect selection of the primary end point. Our analysis begins with a classification of policy and service interventions based on an extended version of Donabedian’s causal chain.

Item Type:	Journal Article
Divisions:	Faculty of Social Sciences > Warwick Business School > Entrepreneurship, Innovation & Management Faculty of Social Sciences > Warwick Business School
Journal or Publication Title:	BMJ
Publisher:	BMJ Publishing Group Ltd.
ISSN:	0959-535X
Official Date:	27 August 2010
Dates:	Date Event 27 August 2010 Published
Volume:	Volume 341
Number of Pages:	5
Article Number:	Article number c4413
DOI:	10.1136/bmj.c4413
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access (Creative Commons)
Open Access Version:	Publisher

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