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The internal consistency and construct validity of the partners in health scale : validation of a patient rated chronic condition self-management measure

Petkov, John, Harvey, Peter and Battersby, Malcolm 2010, The internal consistency and construct validity of the partners in health scale : validation of a patient rated chronic condition self-management measure, Quality of life research, vol. 19, no. 7, pp. 1079-1085, doi: 10.1007/s11136-010-9661-1.

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Title The internal consistency and construct validity of the partners in health scale : validation of a patient rated chronic condition self-management measure
Author(s) Petkov, John
Harvey, Peter
Battersby, Malcolm
Journal name Quality of life research
Volume number 19
Issue number 7
Start page 1079
End page 1085
Total pages 7
Publisher Springer
Place of publication Berlin, Germany
Publication date 2010-09
ISSN 1573-2649
Keyword(s) self-management
patient self report
construct validity
internal reliability
Summary PURPOSE: The purpose of this study was to test the internal consistency and construct validity of the revised 12-item self-rated Partners in Health (PIH) scale used to assess patients' chronic condition self-management knowledge and behaviours. METHODS: Baseline PIH data were collected for a total of 294 patients with a range of co-morbid chronic conditions including diabetes, cardiovascular disease and arthritis. Scale data for the initial sample of 176 patients were analysed for internal consistency and construct validity using Reliability Analysis and Factor Analysis. Construct validity was tested in a separate sample of 118 patients using confirmatory factor analysis and a structural equation model. RESULTS: Good internal consistency was indicated with a Cronbach's alpha coefficient of 0.82 in the initial sample. Factor analysis for this sample revealed four key factors (knowledge, coping, management of condition and adherence to treatment) across the twelve items of the scale. These four key factors were then confirmed by applying the exploratory structural equation model to the separate sample. CONCLUSION: The PIH scale exhibits construct validity and internal consistency. It therefore is both a generic self-rated clinical tool for assessing self-management in a range of chronic conditions as well as an outcome measure to compare populations and change in patient self-management knowledge and behaviour over time. The four domains of self-management provide a valid measure of patient competency in relation to the self-management of their chronic condition(s).
Language eng
DOI 10.1007/s11136-010-9661-1
Field of Research 111799 Public Health and Health Services not elsewhere classified
1117 Public Health and Health Services
Socio Economic Objective 920499 Public Health (excl. Specific Population Health) not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2010, Springer
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081536

Document type: Journal Article
Collection: School of Medicine
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