Depression and cortisol responses to psychological stress: A meta-analysis

Heather M. Burke*, Mary C. Davis, Christian Otte, David C. Mohr

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

682 Scopus citations

Abstract

The purpose of this meta-analysis is to examine the association between depression and cortisol responses to psychological stressors. A total of seven studies comparing plasma or cortisol responses to psychological stressors in clinically depressed (MDD) and non-depressed (ND) individuals (N=196: 98 MDD, 98 ND; 83 men, 113 women; mean age=40 years) were included. Sample size-adjusted effect sizes (Cohen's d statistic) were calculated and averaged across baseline (before stressor onset), stress (stressor onset up to 25 min after stressor offset), and recovery (more than 25 min after stressor offset) periods. Overall, MDD and ND individuals exhibited similar baseline and stress cortisol levels, but MDD patients had much higher cortisol levels during the recovery period than their ND counterparts. There was also a significant time of day effect in which afternoon studies were more likely to reveal higher baseline cortisol levels, blunted stress reactivity, and impaired recovery in MDD patients. This blunted reactivity-impaired recovery pattern observed among the afternoon studies was most pronounced in studies with older and more severely depressed patients.

Original languageEnglish (US)
Pages (from-to)846-856
Number of pages11
JournalPsychoneuroendocrinology
Volume30
Issue number9
DOIs
StatePublished - Oct 1 2005

Keywords

  • Cortisol
  • Depression
  • Meta-analysis
  • Stress

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology
  • Endocrine and Autonomic Systems
  • Psychiatry and Mental health
  • Biological Psychiatry

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