Research article summary:

Reliability of health utility measures and a test of values clarification.

Abstract Extract:
This study examines the test-retest reliability of two methods of establishing health preference weights and assesses the effectiveness of a brief values-clarification exercise. Survey participants were randomly allocated to one of two groups and ... (Full abstract text below)

Published 2003Apr in Journal: Soc Sci Med (Language : eng)

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1. Soc Sci Med. 2003 Apr;56(7):1531-41

Reliability of health utility measures and a test of values clarification.

Shiell A, Hawe P, Fletcher M

Department of Community Health Sciences, University of Calgary, 3330 Hospital Drive NW, Alta., T2N 4N1, Calgary, Canada. ashiell@ucalgary.ca

This study examines the test-retest reliability of two methods of establishing health preference weights and assesses the effectiveness of a brief values-clarification exercise. Survey participants were randomly allocated to one of two groups and received either a standard protocol for eliciting health preferences (comparison group) or an augmented protocol designed to encourage reflection and deliberation (intervention group). Preferences were elicited on three occasions over 5 weeks. The results show that the two valuation methods each had acceptable levels of test-retest reliability. No significant differences were found in preference weights over time or between intervention and comparison groups. The values-clarification exercise had some impact on individual answers, but the changes cancelled each other out at the group level. There was no discernable intervention effect at the group level. It is premature to draw conclusions from one study about why, or even how, a person's valuations might change over time, but our results support the use of current valuation techniques for group-level analyses.

PMID : 12614703 [PubMed - Indexed for MEDLINE]

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Full Author Information

First Name	LastName	Initials
Alan	Shiell	A
Penelope	Hawe	P
Megan	Fletcher	M

Affiliation: Department of Community Health Sciences, University of Calgary, 3330 Hospital Drive NW, Alta., T2N 4N1, Calgary, Canada. ashiell@ucalgary.ca

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