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Construct validity of the Dutch version of the 12-item Partners in Health scale: measuring patient self-management behaviour and knowledge in patients with Chronic Obstructive Pulmonary Disease

Lenferink, Anke, Effing, Tanja, Harvey, Peter, Battersby, Malcolm, Frith, Peter, van Beurden, Wendy, van der Palen, Job and Paap, Muirne C. S. 2016, Construct validity of the Dutch version of the 12-item Partners in Health scale: measuring patient self-management behaviour and knowledge in patients with Chronic Obstructive Pulmonary Disease, PLoS one, vol. 11, no. 8, pp. 1-16, doi: 10.1371/journal.pone.0161595.

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Title Construct validity of the Dutch version of the 12-item Partners in Health scale: measuring patient self-management behaviour and knowledge in patients with Chronic Obstructive Pulmonary Disease
Author(s) Lenferink, Anke
Effing, Tanja
Harvey, PeterORCID iD for Harvey, Peter orcid.org/0000-0003-2983-663X
Battersby, Malcolm
Frith, Peter
van Beurden, Wendy
van der Palen, Job
Paap, Muirne C. S.
Journal name PLoS one
Volume number 11
Issue number 8
Start page 1
End page 16
Total pages 16
Publisher Public Library of Science
Place of publication San Francisco, Calif.
Publication date 2016-08
ISSN 1932-6203
Summary Objective The 12-item Partners in Health scale (PIH) was developed in Australia to measure self-management behaviour and knowledge in patients with chronic diseases, and has undergone several changes. Our aim was to assess the construct validity and reliability of the latest PIH version in Dutch COPD patients.

Methods The 12 items of the PIH, scored on a self-rated 9-point Likert scale, are used to calculate total and subscale scores (knowledge; coping; recognition and management of symptoms; and adherence to treatment). We used forward-backward translation of the latest version of the Australian PIH to define a Dutch PIH (PIH(Du)). Mokken Scale Analysis and common Factor Analysis were performed on data from a Dutch COPD sample to investigate the psychometric properties of the Dutch PIH; and to determine whether the four-subscale solution previously found for the original Australian PIH could be replicated for the Dutch PIH.

Results
Two subscales were found for the Dutch PIH data (n = 118); 1) knowledge and coping; 2) recognition and management of symptoms, adherence to treatment. The correlation between the two Dutch subscales was 0.43. The lower-bound of the reliability of the total scale equalled 0.84. Factor analysis indicated that the first two factors explained a larger percentage of common variance (39.4% and 19.9%) than could be expected when using random data (17.5% and 15.1%).

Conclusion
We recommend using two PIH subscale scores when assessing self-management in Dutch COPD patients. Our results did not support the four-subscale structure as previously reported for the original Australian PIH.
Language eng
DOI 10.1371/journal.pone.0161595
Field of Research 110399 Clinical Sciences not elsewhere classified
Socio Economic Objective 920199 Clinical Health (Organs
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Lenferink et al.
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30085801

Document type: Journal Article
Collections: School of Medicine
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.