THE EFFECTIVENESS OF PATIENT EDUCATION INTERVENTIONS DELIVERED BY NURSES FOR IMPROVING HEALTH LITERACY IN CHRONIC DISEASE MANAGEMENT: A SYSTEMATIC REVIEW
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Keywords
health literacy; nurse-delivered education; patient education; chronic disease management; teach-back; self-management.
Abstract
Background: Low health literacy is common among people with chronic diseases and is associated with poorer self-management, higher hospitalization rates, and worse clinical outcomes. Nurses frequently deliver patient education and play a central role in chronic disease management, but the effectiveness of nurse-delivered education to improve health literacy across chronic conditions has not been synthesized comprehensively. Aim: To systematically review and synthesize evidence on the effectiveness of patient education interventions delivered by nurses for improving health literacy and related self-management outcomes in adults with chronic diseases. Methods: Systematic search of major databases (MEDLINE, CINAHL, Embase, Cochrane Library, and gray literature) from inception to [search date], selecting randomized controlled trials (RCTs), quasi-experimental studies and controlled before–after designs that evaluated nurse-delivered educational interventions for adults (≥18 years) with chronic disease and reported validated health literacy or related outcomes. Two reviewers independently screened, extracted data, and assessed risk of bias. Where appropriate, results were pooled using random-effects meta-analysis; heterogeneity and sensitivity analyses were conducted. Results: Across included studies (n = XX; total N = XXXX), nurse-delivered education was associated with small to moderate improvements in functional health literacy measures and meaningful improvements in disease-specific knowledge and self-management behaviors. Effect sizes varied by intervention intensity, use of teach-back and tailored materials, and baseline literacy levels. Several trials reported improved intermediate clinical outcomes (e.g., blood pressure, HbA1c) when education was combined with follow-up support. Study quality ranged from low to moderate; heterogeneity and variable outcome measures limited pooled estimates. Conclusions: Nurse-delivered patient education can improve health literacy and self-management in chronic disease populations, particularly when interventions are tailored, use teach-back, and include follow-up. High-quality RCTs using standardized health literacy instruments and longer follow-up are needed to confirm effects on hard clinical outcomes and healthcare utilization.
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