How does change occur following a theoretically based self-management intervention for type 2 diabetes
Liz Steed1, Maria Barnard, Steven Hurel
1a Centre for Primary Care and Public Health , Barts and the London School of Medicine and Dentistry, Queen Mary University of London , London , UK.
Psychology, Health & Medicine
|October 12, 2013
Summary
Self-efficacy significantly improved diabetes self-management behaviors, while belief in control over diabetes enhanced quality of life. Different theoretical constructs mediate outcomes in diabetes self-management interventions.
Area of Science:
- Behavioral Science
- Health Psychology
- Clinical Psychology
Background:
- Self-management is crucial for individuals with type 2 diabetes.
- Understanding the psychological mediators of self-management interventions is essential for optimizing patient outcomes.
Purpose of the Study:
- To examine how constructs from self-regulatory and social cognitive theories mediate changes in self-management behaviors and quality of life.
- To investigate the roles of illness beliefs and self-efficacy in a diabetes self-management program.
Main Methods:
- Analysis of 124 individuals with type 2 diabetes from a randomized controlled trial.
- Mediation analysis to assess the impact of illness beliefs and self-efficacy on behavioral and quality of life outcomes.
Main Results:
- Exercise-specific self-efficacy mediated exercise behavior changes at 3 months.
- Monitoring-specific self-efficacy mediated monitoring behavior changes at 3 and 9 months.
- Belief in control over diabetes mediated quality of life changes at 3 and 9 months, and exercise behavior immediately post-intervention.
Conclusions:
- Behavior-specific self-efficacy appears more influential for self-management behaviors than illness beliefs.
- Belief in control over diabetes may be key for improving quality of life in type 2 diabetes.
- Different theoretical constructs mediate intervention outcomes depending on the specific outcome measured.
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