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A new self-management engagement scale for haemodialysis patients (PRIESM CKD-HD): development and validation
Helen Munro Wild1, David Wellsted1, Andrew Davenport2
1Department of Psychology, Sport and Geography, School of Health, Medicine and Life Sciences, University of Hertfordshire, Hertfordshire, UK.
Insights
The Patient Reported Instrument for Engagement in Self-Management for people with Chronic Kidney Disease, receiving Haemodialysis (PRIESM CKD-HD) is a new, valid, and reliable tool. It measures patient engagement in self-management, offering a patient-centered perspective for better support.
Area of Science:
- Nephrology
- Psychology
- Health Services Research
Background:
- Self-management requires clearer definition in kidney research and practice.
- Current measures focus heavily on dialysis tasks and adherence.
- The Patient Reported Instrument for Engagement in Self-Management for people with Chronic Kidney Disease, receiving Haemodialysis (PRIESM CKD-HD) addresses this gap.
Purpose of the Study:
- To develop and validate a patient-reported measure of self-management engagement for individuals undergoing haemodialysis (HD).
- To incorporate a biopsychosocial model, capturing daily management, impact, communication, and clinical care aspects.
- To provide a tool for identifying support needs and fostering discussion on targeted interventions.
Main Methods:
- Sequential mixed-methods approach including literature review, qualitative interviews (n=27), expert consensus (n=19), and cognitive testing (n=11).
- Large-scale survey (n=363) across three kidney centers for validation, with subgroup follow-up (n=95).
- Exploratory factor analysis and correlation analyses with depression and self-efficacy measures.
Main Results:
- PRIESM CKD-HD demonstrated good validity and reliability, with an overall Cronbach's alpha of 0.92.
- Exploratory factor analysis supported a three-factor model: daily managing and impact (α=0.91), communication (α=0.84), and clinical care (α=0.66).
- Strong correlations with depression (r=-0.74) and self-efficacy (r=0.75) supported construct validity. Test-retest reliability was high (r=0.84).
Conclusions:
- PRIESM CKD-HD is the first measure to capture self-management from the patient's perspective, including psychosocial elements for haemodialysis patients.
- The findings challenge the notion that some individuals do not wish to self-manage.
- This instrument can guide tailored support strategies for chronic kidney disease patients on haemodialysis.
Background:
Self-management should be better defined within kidney research and clinical practice. A focus on dialysis related tasks and adherence continues to be central to current measures. PRIESM CKD-HD (Patient Reported Instrument for Engagement in Self-Management for people with Chronic Kidney Disease, receiving Haemodialysis) aligns with a biopsychosocial model and measures engagement in self-management by people receiving haemodialysis (HD). This provides the opportunity to identify gaps and foster discussion about targeted support.
Methods:
Scale development was undertaken using a sequential mixed-methods approach, comprising literature review, qualitative interviews with HD patients (n = 27), expert consensus (n = 19) and cognitive testing (n = 11). A large-scale survey (n = 363) across three kidney centres was conducted to validate the scale, with subgroup follow-up 4-6 weeks later. Exploratory factor analyses were conducted to assess model fit, reliability and validity.
Results:
PRIESM CKD-HD is a valid and reliable measurement. Exploratory factor analysis indicated a three-factor model consisting of daily managing and impact (α = 0.91), communication (α = 0.84) and clinical care (α = 0.66). Model statistics, χ2 = 703, 296 df, P < .001, CFI = 0.87, TLI = 0.86, RMSEA = 0.07, SRMR = 0.07, overall α = 0.92. Correlation with measures of depression [r(328) = -0.74, P < .001] and self-efficacy [r(337) = 0.75, P < .001] provided further evidence of validity. Test-retest reliability r = 0.84, P < .001, indicates good linear agreement over time (n = 95).
Conclusions:
PRIESM CKD-HD is the first measure of self-management that reframes the concept from the patient perspective and incorporates the psychosocial aspects of treatment impact and daily managing for HD patients. Findings suggest the perception that not all individuals wish to self-manage should be refuted.
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