Moderating the relationship between diabetes distress and mastery: the role of depression and empowerment

Karen McGuigan, Alyson J Hill, Vivien Coates, Maurice OKane, David Thompson, Chantal Ski, Deirdre McCay

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)
59 Downloads (Pure)


Type 2 diabetes is a chronic condition primarily self-managed by the individual. Mastery is a protective factor linked to better control of chronic conditions, effective self-management and improved medication adherence. Mastery appears increasingly important as treatment regimens and self-management demands become more complex and burdensome. Diabetes distress negatively impacts self-management, glycaemic control and treatment adherence. Understanding the relationship between diabetes distress and mastery may provide opportunities to improve condition management and adherence. This relationship may be impacted by other factors affecting the individual's perceived sense of control over their condition. This study examined the role of diabetes empowerment and depression in the relationship between diabetes distress and mastery. Data were drawn from a randomised controlled trial of 131 adults with type 2 diabetes transitioning to injection therapy. Participants completed measures of diabetes distress, mastery, depression and empowerment. Diabetes distress and depression were negatively associated with mastery, whilst diabetes empowerment was positively associated. A significant interaction effect (b = .024, t(112) = 3.79, p = <.005) confirmed the relationship between diabetes distress and mastery was moderated by depression. Findings highlight the additive deleterious effects of depression. Interventions to improve mastery among those living with type 2 diabetes should address diabetes distress and depression to optimise outcomes.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalPsychology, Health & Medicine
Early online date1 Mar 2021
Publication statusPublished online - 1 Mar 2021

Bibliographical note

Publisher Copyright:
© 2021 Informa UK Limited, trading as Taylor & Francis Group.

Copyright 2021 Elsevier B.V., All rights reserved.


  • type 2 diabetes
  • mastery
  • diabetes distress
  • depression
  • moderation
  • Psychiatry and Mental health
  • Clinical Psychology
  • Applied Psychology
  • Type 2 diabetes


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