The bidirectional longitudinal association between depressive symptoms and HbA1c: A systematic review and met-analysis

Beran, Magdalena; Muzambi, Rutendo; Geraets, Anouk; Albertorio, Juan; Adriaanse, Marcel C; Iversen, Marjolein M; Kokoszka, Andrzej; Nefs, Giesje; Nouwen, Arie; Pouwer, Frans; Huber, Jörg W; Schmitt, Andreas and Schram, Miranda T (2021). The bidirectional longitudinal association between depressive symptoms and HbA1c: A systematic review and met-analysis. Diabetic medicine : a journal of the British Diabetic Association (Early access).

DOI: https://doi.org/10.1111/dme.14671

Abstract

Aim: To investigate whether there is a bidirectional longitudinal association of depression with HbA1c.

Methods: We conducted a systematic literature search in PubMed, PsycINFO, CINAHL and EMBASE for observational, longitudinal studies published from January 2000 to September 2020, assessing the association between depression and HbA in adults. We assessed study quality with the Newcastle-Ottawa-Scale. Pooled effect estimates were reported as partial correlation coefficients (rp) or odds ratios (OR).

Results: We retrieved 1,642 studies; 26 studies were included in the systematic review and eleven in the meta-analysis. Most studies (16/26) focused on type 2 diabetes. Study quality was rated as good (n = 19), fair (n = 2) and poor (n = 5). Of the meta-analysed studies, six investigated the longitudinal association between self-reported depressive symptoms and HbA1c and five the reverse longitudinal association, with a combined sample size of n = 48,793 and a mean follow-up of 2 years. Higher levels of baseline depressive symptoms were associated with subsequent higher levels of HbA1c (partial r = 0.07; [95% CI 0.03, 0.12]; I238%). Higher baseline HbA1c values were also associated with 18% increased risk of (probable) depression (OR = 1.18; [95% CI 1.12,1.25]; I20.0%).

Conclusions: Our findings support a bidirectional longitudinal association between depressive symptoms and HbA1c. However, the observed effect sizes were small and future research in large-scale longitudinal studies is needed to confirm this association. Future studies should investigate the role of type of diabetes and depression, diabetes distress and diabetes self-management behaviours. Our results may have clinical implications, as depressive symptoms and HbA1c levels could be targeted concurrently in the prevention and treatment of diabetes and depression.

Registration: PROSPERO ID CRD42019147551.

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About

  • Item ORO ID
  • 78741
  • Item Type
  • Journal Item
  • ISSN
  • 1464-5491
  • Keywords
  • depression; diabetes mellitus; glycated haemoglobin A; longitudinal studies; meta-analysis; systematic review
  • Academic Unit or School
  • Faculty of Wellbeing, Education and Language Studies (WELS)
  • Copyright Holders
  • © 2021 Magdalena Beran et al
  • SWORD Depositor
  • Jisc Publications-Router
  • Depositing User
  • Jisc Publications-Router

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