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Responsiveness of the Effective Consumer Scale (EC-17)

Santesso, Nancy, Rader, Tamara, Wells, George, O'Connor, Annette, Brooks, Peter, Driedger, Michelle, Gallios, Cindy, Kristjansson, Elizabeth, Lyddiatt, Anne, O'Leary, Grianne, Prince, Monica, Stacey, Dawn, Wale, Janet, Welch, Vivian, Wilson, Andrew, & Tugwell, Peter (2009) Responsiveness of the Effective Consumer Scale (EC-17). The Journal of Rheumatology, 36(9), pp. 2087-2091.

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Abstract

Objective. The Effective Consumer Scale (EC-17) comprises 17 items measuring the main skills and behaviors people need to effectively manage their healthcare. We tested the responsiveness of the EC-17.

Methods. Participants, in 2 waves of a 6-week Arthritis Self-Management Program (ASMP) from Arthritis Ireland, received a questionnaire at the first and last week of the weekly ASMP. The questionnaire included the EC-17 and 10 other measures for arthritis. Deficits, mean change, and standard deviations were calculated at baseline and Week 6. The EC-17 scores were compared to the Arthritis Self-Efficacy (ASE) and Patient Activation Measure (PAM) scales. Results were presented at OMERACT 9.

Results. There is some overlap between the EC-17 and the ASE and PAM; however, most items of greatest deficit in the EC-17 are not covered by those scales. In 327 participants representing both intervention waves (2006 and 2007), the EC-17 was more efficient than the ASE but less efficient than the PAM for detecting improvements after the ASMP, and was moderately correlated with the PAM.

Conclusion. The EC-17 appears to measure different skills and attributes than the ASE and PAM. Discussions with participants at OMERACT 9 agreed that it is worthwhile to measure the skills and attributes of an effective consumer, and supported the development of an intervention (such as proposed online decision aids) that would include education in the categories in the EC-17.

Impact and interest:

10 citations in Scopus
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8 citations in Web of Science®

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ID Code: 48084
Item Type: Journal Article
Additional URLs:
Keywords: arthritis, consumer participation, psychometrics
DOI: 10.3899/jrheum.090363
ISSN: 1499-2752 (online) 0315-162X (print)
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CLINICAL SCIENCES (110300)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Deposited On: 16 Jan 2012 22:23
Last Modified: 29 Feb 2012 14:37

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