Can self-report questionnaires create illness cognitions in middle-aged men?

Cartwright, M, Ogden, J, Grunfeld, EA and Weinman, J (2012) Can self-report questionnaires create illness cognitions in middle-aged men? Health Psychology, 31 (4). 534 - 538. ISSN 0278-6133

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Abstract

Objective: To examine the effect of questionnaire context on self-reported illness cognition. Design: A single-item measure of the perceived impact of lower urinary tract symptoms (LUTS) was embedded twice in a questionnaire battery completed by community-dwelling middle-aged males (N = 1,790). The impact measure was placed in two distinct questionnaire contexts; at the end of a general somatic symptoms questionnaire, and following an illness-specific symptoms questionnaire. The order of the two questionnaire contexts was counter-balanced in a random sub-sample. Main Outcome Measures: An established single-item measure of the perceived impact of LUTS. Results: Concordance between the two single-item measures was moderate. Scores on a single-item measure of impact were significantly lower when assessed immediately following the completion of a LUTS-specific questionnaire than when assessed following the completion of a general symptoms questionnaire. There was no evidence of order effects. The observed effect was moderated by the severity of LUTS such that the difference in perceived impact scores between contexts (where general symptoms context > illness-specific context) increased as urinary symptoms increased. Conclusion: Questionnaire context systematically influenced responses on self-report measures of illness impact. The magnitude of the context effect was largest in the highest quintile of LUTS severity, a difference of >0.5 on a scale with a range of 3. These findings may have implications for situations where patient reported outcome measures are used to evaluate healthcare interventions or inform treatment decisions.

Item Type:	Article
Additional Information:	This article may not exactly replicate the final version published in the APA journal. It is not the copy of record. Available at: http://www.apa.org/
Divisions:	Faculty of Arts and Human Sciences > Psychology
Depositing User:	Symplectic Elements
Date Deposited:	13 Nov 2012 16:18
Last Modified:	23 Sep 2013 19:45
URI:	http://epubs.surrey.ac.uk/id/eprint/732529

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