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. 2018 Oct;74(10):2465-2476.
doi: 10.1111/jan.13775. Epub 2018 Jul 19.

Development and initial testing of the self-care of chronic illness inventory

Barbara Riegel  1 , Claudio Barbaranelli  2 , Kristen A Sethares  3 , Marguerite Daus  1 , Debra K Moser  4 , Jennifer L Miller  4 , Christine A Haedtke  5 , Jodi L Feinberg  6 , Solim Lee  1 , Anna Stromberg  7 , Tiny Jaarsma  8
Affiliations
Free article

Development and initial testing of the self-care of chronic illness inventory

Barbara Riegel et al. J Adv Nurs. 2018 Oct.
Free article

Erratum in

  • Corrigendum.
    [No authors listed] [No authors listed] J Adv Nurs. 2020 Jul;76(7):1871. doi: 10.1111/jan.14398. Epub 2020 May 24. J Adv Nurs. 2020. PMID: 32583461 No abstract available.

Abstract

Aim: The aim was to develop and psychometrically test the self-care of chronic illness Inventory, a generic measure of self-care.

Background: Existing measures of self-care are disease-specific or behaviour-specific; no generic measure of self-care exists.

Design: Cross-sectional survey.

Methods: We developed a 20-item self-report instrument based on the Middle Range Theory of Self-Care of Chronic Illness, with three separate scales measuring Self-Care Maintenance, Self-Care Monitoring, and Self-Care Management. Each of the three scales is scored separately and standardized 0-100 with higher scores indicating better self-care. After demonstrating content validity, psychometric testing was conducted in a convenience sample of 407 adults (enrolled from inpatient and outpatient settings at five sites in the United States and ResearchMatch.org). Dimensionality testing with confirmatory factor analysis preceded reliability testing.

Results: The Self-Care Maintenance scale (eight items, two dimensions: illness-related and health-promoting behaviour) fit well when tested with a two-factor confirmatory model. The Self-Care Monitoring scale (five items, single factor) fitted well. The Self-Care Management scale (seven items, two factors: autonomous and consulting behaviour), when tested with a two-factor confirmatory model, fitted adequately. A simultaneous confirmatory factor analysis on the combined set of items supported the more general model.

Conclusion: The self-care of chronic illness inventory is adequate in reliability and validity. We suggest further testing in diverse populations of patients with chronic illnesses.

Keywords: chronic illness; comorbidity; factor analysis; instrument development; multimorbidity; nursing theory; psychometrics; self-care; validity.

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