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Development and psychometric evaluation of a new patient-reported outcome measure for stroke self-management: The Southampton Stroke Self-Management Questionnaire (SSSMQ)

Development and psychometric evaluation of a new patient-reported outcome measure for stroke self-management: The Southampton Stroke Self-Management Questionnaire (SSSMQ)
Development and psychometric evaluation of a new patient-reported outcome measure for stroke self-management: The Southampton Stroke Self-Management Questionnaire (SSSMQ)
Background: Self-management is important to the recovery and quality of life of people following stroke. Many interventions to support self-management following stroke have been developed, however to date no reliable and valid outcome measure exists to support their evaluation. This study outlines the development and preliminary investigation of the psychometric performance of a newly developed patient-reported outcome measure (PROM) of self-management competency following stroke; the Southampton Stroke Self-Management Questionnaire (SSSMQ).

Methods: A convenience sample of 87 people who had had a stroke completed responses to the SSSMQ, the Stroke Self-Efficacy Questionnaire and the Stroke Impact Scale. Scaling properties were assessed using Mokken Scale Analysis. Reliability and construct validity were assessed using intra-class correlation coefficient (ICC), Mokken and Cronbach’s reliability coefficients and Spearman rank order correlations with relevant measures.

Results: Mokken scaling refined the SSSMQ to 28 scalable items. Internal consistency reliability (Mokken r = 0.89) and test-retest reliability (ICC = 0.928) were excellent. Hypotheses of expected correlations with additional measures held, demonstrating good evidence for construct validity.

Conclusions: Early findings suggest the Southampton Stroke Self-Management Questionnaire is a reliable and valid scale of self-management competency. The SSSMQ represents a potentially valid PROM for the evaluation of self-management following stroke.
1477-7525
Boger, Emma
aca6a969-75e8-4e1d-9dc8-30381875e3ef
Hankins, Matthew
ce4b7d68-3320-4af4-9dd7-3537a4b07219
Demain, Sara
09b1124d-750a-4eb1-90c7-91f5f222fc31
Latter, Susan
83f100a4-95ec-4f2e-99a5-186095de2f3b
Boger, Emma
aca6a969-75e8-4e1d-9dc8-30381875e3ef
Hankins, Matthew
ce4b7d68-3320-4af4-9dd7-3537a4b07219
Demain, Sara
09b1124d-750a-4eb1-90c7-91f5f222fc31
Latter, Susan
83f100a4-95ec-4f2e-99a5-186095de2f3b

Boger, Emma, Hankins, Matthew, Demain, Sara and Latter, Susan (2015) Development and psychometric evaluation of a new patient-reported outcome measure for stroke self-management: The Southampton Stroke Self-Management Questionnaire (SSSMQ). Health and Quality of Life Outcomes, 13, [165]. (doi:10.1186/s12955-015-0349-7).

Record type: Article

Abstract

Background: Self-management is important to the recovery and quality of life of people following stroke. Many interventions to support self-management following stroke have been developed, however to date no reliable and valid outcome measure exists to support their evaluation. This study outlines the development and preliminary investigation of the psychometric performance of a newly developed patient-reported outcome measure (PROM) of self-management competency following stroke; the Southampton Stroke Self-Management Questionnaire (SSSMQ).

Methods: A convenience sample of 87 people who had had a stroke completed responses to the SSSMQ, the Stroke Self-Efficacy Questionnaire and the Stroke Impact Scale. Scaling properties were assessed using Mokken Scale Analysis. Reliability and construct validity were assessed using intra-class correlation coefficient (ICC), Mokken and Cronbach’s reliability coefficients and Spearman rank order correlations with relevant measures.

Results: Mokken scaling refined the SSSMQ to 28 scalable items. Internal consistency reliability (Mokken r = 0.89) and test-retest reliability (ICC = 0.928) were excellent. Hypotheses of expected correlations with additional measures held, demonstrating good evidence for construct validity.

Conclusions: Early findings suggest the Southampton Stroke Self-Management Questionnaire is a reliable and valid scale of self-management competency. The SSSMQ represents a potentially valid PROM for the evaluation of self-management following stroke.

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Development and Psychometric Evaluation of a new patient-reported outcome measure for stroke self-management: The Southampton Stroke Self-Management Questionnaire (SSSMQ) - Version of Record
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More information

Accepted/In Press date: 13 September 2015
e-pub ahead of print date: 3 October 2015
Published date: 3 October 2015
Organisations: Researcher Development, Centre for Innovation & Leadership

Identifiers

Local EPrints ID: 410802
URI: http://eprints.soton.ac.uk/id/eprint/410802
ISSN: 1477-7525
PURE UUID: 066fcb79-5798-4b79-b8a8-e23c01e9c996
ORCID for Susan Latter: ORCID iD orcid.org/0000-0003-0973-0512

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Date deposited: 09 Jun 2017 09:40
Last modified: 06 Feb 2020 01:27

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