The self-administered 24-item geriatric pain measure (GPM-24-SA): psychometric properties in three European populations of community-dwelling older adults

Clough-Gorr, Kerri M; Blozik, Eva; Gillmann, Gerhard; Beck, John C; Ferrell, Bruce A; Anders, Jennifer; Harari, Danielle; Stuck, Andreas E (2008). The self-administered 24-item geriatric pain measure (GPM-24-SA): psychometric properties in three European populations of community-dwelling older adults. Pain medicine, 9(6), pp. 695-709. Hoboken, N.J.: Wiley-Blackwell 10.1111/j.1526-4637.2008.00497.x

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OBJECTIVE: To explore the feasibility and psychometric properties of a self-administered version of the 24-item Geriatric Pain Measure (GPM-24-SA). DESIGN: Secondary analysis of baseline data from the Prevention in Older People-Assessment in Generalists' practices trial, an international multi-center study of a health-risk appraisal system. PARTICIPANTS: One thousand seventy-two community dwelling nondisabled older adults self-reporting pain from London, UK; Hamburg, Germany; and Solothurn, Switzerland. OUTCOME MEASURES: GPM-24-SA as part of a multidimensional Health Risk Appraisal Questionnaire including self-reported demographic and health-related information. RESULTS: Among the 1,072 subjects, 655 had complete GPM-24-SA data, 404 had <or=30% missing GPM-24-SA data, and 13 had >30% missing GPM-24-SA data. In psychometric analyses across the three European populations with complete GPM-24-SA data, the measure exhibited stable internal consistency, good convergent, divergent and discriminant validity, and produced stable pain measurements. However, factor analysis indicated differences in the GPM-24-SA across sites with discrepancies mainly related to items of a single subscale that failed to load appropriately. Analyses including imputation for subjects with <or=30% missing data demonstrated psychometric properties comparable to complete data analyses suggesting that imputation in cases with <or=30% missing GPM-24-SA data provides sufficient information to generate a valid score. CONCLUSION: The GPM-24-SA is a promising tool for self-administered assessment of pain in community dwelling older adults. However, because of incomplete response and uncertainty in factor structure, further refinement and psychometric evaluation of the GPM-24-SA is needed before it could be recommended for widespread use.

Item Type:	Journal Article (Original Article)
Division/Institute:	04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Social and Preventive Medicine (ISPM) 04 Faculty of Medicine > Department of General Internal Medicine (DAIM) > Geriatric Clinic
UniBE Contributor:	Gillmann, Gerhard, Stuck, Andreas
ISSN:	1526-2375
ISBN:	18816330
Publisher:	Wiley-Blackwell
Language:	English
Submitter:	Factscience Import
Date Deposited:	04 Oct 2013 15:04
Last Modified:	05 Dec 2022 14:19
Publisher DOI:	10.1111/j.1526-4637.2008.00497.x
PubMed ID:	18816330
Web of Science ID:	000258597600008
URI:	https://boris.unibe.ch/id/eprint/27793 (FactScience: 111526)