The impact of health literacy interventions on glycemic control and self-management outcomes among type 2 diabetes mellitus: A systematic review.

Diabetes imposes an increasing health and economic burden on individuals living with it and their societies worldwide. Glycemic control is necessary to reduce morbidity and mortality of type 2 diabetes mellitus (T2DM). Self-management is the primary tool for managing diabetes. Health literacy (HL) is the primary driver of self-management activities. The aim of this review is to evaluate the impact of HL interventions on glycemic control and self-management outcomes among T2DM. MEDLINE, CINAHL, PubMed, Cochrane, Scopus, and Web of Science were searched for eligible papers. Fifteen randomized controlled trials published in English between 1997 and 2021, used HL-driven intervention, and measured the level of glycohemoglobin A1c (HbA1c) and self-management of T2DM patients were included in this review. The findings showed that HL-driven intervention had a positive impact on glycemic control and improved self-management behaviors. The level of glycemic control and self-management skills were improved through individual and telephone-based intervention respectively. Community worker-led interventions were effective in improvements in diabetes knowledge and self-care behaviors; however, nurse-led interventions were effective in glycemic control. Better glycemic control is achieved in hospital settings compared to outpatient settings. HL interventions yielded better improvement in self-management among people with longer diabetes duration (more than 7 years). It was possible to achieve a large reduction in HbA1c level after a 3-month intervention in hospital settings. HL-driven interventions are effective in glycemic and diabetes self-management outcomes. 糖尿病给世界范围内的患者和社会带来了日益严重的健康和经济负担。控制血糖是降低2型糖尿病(T2DM)发病率和死亡率的必要条件。自我管理是糖尿病管理的主要手段。健康知识(HL)是自我管理活动的主要动力。本综述旨在评估HL干预对2型糖尿病患者血糖控制和自我管理结果的影响。通过检索MEDLINE、CINAHL、PubMed、Cochrane、Scopus和Web of Science，本综述共纳入1997-2021年发表的15篇英文形式发表的采用HL驱动干预，并监测2型糖尿病患者糖化血红蛋白(HbA

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© 2023 The Authors. Journal of Diabetes published by Ruijin Hospital, Shanghai Jiaotong University School of Medicine and John Wiley & Sons Australia, Ltd.