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Frontiers in public health
2021;9 730845.

Medication Adherence and Associated Factors in Patients With Type 2 Diabetes: A Structural Equation Model.

Jing Huang, Shenglan Ding, Shuyuan Xiong, Zhiping Liu
Author Information
  1. Jing Huang: Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
  2. Shenglan Ding: Department of Nursing, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.
  3. Shuyuan Xiong: Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
  4. Zhiping Liu: Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
PMID: 34805063 DOI: 10.3389/fpubh.2021.730845

Abstract

The number of patients with type 2 diabetes (T2D) is increasing. Medication treatment is of great importance to stabilize blood glucose. Previous studies have reported that neuroticism, self-efficacy, and social support are factors associated with medication adherence, but few studies have fully investigated the mechanisms between these factors and medication adherence in patients with T2D. To explore the prevalence of medication adherence and the factors associated with medication adherence in patients with T2D. A cross-sectional study consisting of 483 patients with T2D was conducted from July to December 2020. Questionnaires containing sociodemographic and clinical characteristics, the Morisky Medication Adherence Scale-8 (MMAS-8), the neuroticism subscale of the Eysenck Personality Questionnaire-Revised Short Scale (EPQ-RS), the Multidimensional Scale of Perceived Social Support (MSPSS), and the Diabetes Management Self-efficacy Scale (DMSES) were used to collect data. The structural equation model (SEM) was used to test the hypotheses. This study included 305 (63.1%) medication adherence and 178 (36.9%) medication non-adherence patients with T2D. Social support directly influenced medication adherence (β = 0.115, = 0.029) and indirectly influenced medication adherence through self-efficacy (β = 0.044, = 0.016). Self-efficacy directly influenced medication adherence (β = 0.139, = 0.023). Neuroticism indirectly affected medication adherence through social support (β = -0.027, = 0.023) and self-efficacy (β = -0.019, = 0.014). Moreover, there was a sequential mediating effect of social support and self-efficacy on the relationship between neuroticism and medication adherence (β = -0.010, = 0.012). After controlling for age and gender, similar results were obtained. The model fit indices showed a good fit. The medication adherence of patients with T2D needs to be improved. Neuroticism, social support, and self-efficacy had direct or indirect effects on medication adherence in patients with T2D. Healthcare providers should comprehensively develop intervention programs based on neuroticism, social support, and self-efficacy to improve medication adherence in patients with T2D.

Keywords

medication adherence neuroticism self-efficacy social support structural equation model type 2 diabetes

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MeSH Term

Cross-Sectional Studies
Diabetes Mellitus, Type 2
Humans
Medication Adherence
Self Efficacy
Journal Article Research Support, Non-U.S. Gov't
Article has an altmetric score of 35

Word Cloud

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