Depressive symptoms moderated the effect of chronic illness self-management training on self-efficacy

Research output: Contribution to journalArticle

54 Scopus citations

Abstract

BACKGROUND: Identifying moderators of the effects of self-efficacy enhancing interventions could facilitate their refinement and more targeted, cost-effective delivery. Current theories and data concerning the potential moderating effect of depressive symptoms on interventions to enhance patient chronic illness self-management self-efficacy are conflicting. OBJECTIVES: To explore the moderating effect of depressive symptoms on the effect of an intervention to enhance patient self-efficacy for self-managing chronic illness. RESEARCH DESIGN: Regression analyses using baseline and postintervention (6 weeks) data from an ongoing randomized controlled trial. SUBJECTS: Patients (N = 415) aged ≥40 years recruited from a primary care network in Northern California with arthritis, asthma, chronic obstructive pulmonary disease, congestive heart failure, depression, and/or diabetes mellitus, plus impairment in ≥1 basic activity, and/or a score of ≥4 on the 10-item Center for Epidemiologic Studies Depression Scale (CES-D). MEASURES: Stanford self-efficacy scale, self-reported depression, CES-D, and Medical Outcomes Study Short Form health status questionnaire (SF-36) Mental Component Summary score. RESULTS: Regression analyses revealed the intervention was effective primarily in those with self-reported depression (interaction effect F = 8.24, P = 0.0003), highest CES-D score category (F = 5.68, P = 0.0037), and lowest (most depressed) Mental Component Summary-36 tercile (F = 4.36, P = 0.0135). CONCLUSIONS: Individuals with more depressive symptoms seem more likely to experience self-efficacy gains from chronic illness self-management training than individuals with less depressive symptoms. Future self-management training studies should stratify subjects within study groups by depressive symptom level to further explore its potential moderating effect.

Original languageEnglish (US)
Pages (from-to)523-531
Number of pages9
JournalMedical Care
Volume46
Issue number5
DOIs
StatePublished - May 2008

Keywords

  • Chronic disease
  • Depression
  • Effect modifiers
  • Home care services
  • Self care
  • Self-efficacy

ASJC Scopus subject areas

  • Nursing(all)
  • Public Health, Environmental and Occupational Health
  • Health(social science)
  • Health Professions(all)

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