Cited by 60Stress Responses and CortisolSuicide and Self-Harm StudiesChild Abuse and Trauma

Effects of childhood trauma, daily stress, and emotions on daily cortisol levels in individuals vulnerable to suicide.

Open access
O'Connor, Daryl B., Branley-Bell, Dawn, Green, Jessica A., Ferguson, Eamonn, O'Carroll, Ronan E., O'Connor, Rory C.·2020·Journal of Abnormal Psychology

Abstract

Suicide is a leading cause of mortality worldwide. Dysregulated hypothalamic-pituitary-adrenal (HPA) axis activity, as measured by cortisol levels, has been identified as 1 potential risk factor. Evidence has indicated that childhood trauma is associated with dysregulated cortisol reactivity to stress in adulthood. The current study investigated for the first time whether childhood trauma and daily stressors and emotions were associated with diurnal cortisol levels over a 7-day study in individuals vulnerable to suicide. One hundred and forty-two participants were categorized according to their suicidal history into 3 groups: suicide attempt, suicidal ideation, or control group. Participants completed questionnaires before commencing a 7-day study. Cortisol samples were provided immediately upon waking, at 15 min, 30 min, 45 min, 3 hr, 6 hr, 9 hr, and 12 hr on 7 consecutive days. Measures of daily stressors, mood, defeat, and entrapment were completed at the end of each day. Participants in the suicide attempt and ideation groups released significantly lower cortisol upon awakening (CAR) and had a tendency toward flatter wake-peak to 12 hr (WP-12) cortisol slopes compared to controls. Childhood trauma was found to be associated with significantly lower CAR and a tendency toward flatter WP-12 cortisol slope. Childhood trauma also had an indirect effect on suicide vulnerability group membership via lower daily CAR levels. Lower CAR was associated with increased suicide ideation at 1 month but not 6 months. Daily stress and emotion measures were not associated with cortisol levels. This is the first 7-day daily diary investigation of naturally fluctuating cortisol levels in individuals vulnerable to suicide. The results indicate that dysregulated HPA axis activity is associated with suicidal ideation and behavior. Childhood trauma appears to be an important distal factor associated with HPA-axis dysregulation. (PsycINFO Database Record (c) 2019 APA, all rights reserved).

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Crossref · 10.1037/abn0000482

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Authors
O'Connor, D. B., Branley-Bell, D., Green, J. A., Ferguson, E., O'Carroll, R. E., & O'Connor, R. C.
Affiliations
  • University of Leeds (GB)
  • Northumbria University (GB)
  • University of Nottingham (GB)
Corresponding author
O'Connor, Daryl B.
Venue
Journal of Abnormal Psychology
Published
2020-01
Volume
129
Issue
1
Pages
92-107
ISSN
  • 0021-843X (ISSN-L)
  • 1939-1846
OpenAlex
W2975750256
Cited by
60
References
21
Citations by year
2026: 8 · 2025: 9 · 2024: 9 · 2023: 5 · 2022: 14 · 2021: 8 · 2020: 6 · 2019: 1
FWCI
4.74
Type
journal article
Language
en
Open access
Locations
  • Journal of Abnormal Psychology (publishedVersion, other-oa)
  • PubMed (publishedVersion)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (acceptedVersion, cc-by-sa)
  • White Rose Research Online (University of Leeds, The University of Sheffield, University of York) (acceptedVersion)
  • Northumbria Research Link (Northumbria University) (acceptedVersion)
  • Repository@Nottingham (University of Nottingham) (acceptedVersion, other-oa)
  • Repository@Nottingham (University of Nottingham) (submittedVersion, cc-by)
  • Stirling Online Research Repository (University of Stirling) (submittedVersion, public-domain)
  • PsyArXiv (OSF Preprints) (submittedVersion, cc-by)
  • PsyArXiv (OSF Preprints) (submittedVersion)
Funders
US Department of Defense (W81XWH-12-1-0007)
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Social Sciences › Psychology › Clinical Psychology › Suicide and Self-Harm Studies
  • Social Sciences › Psychology › Clinical Psychology › Child Abuse and Trauma
Keywords
childhood trauma, daily stress, cortisol, HPA axis dysregulation, suicide vulnerability, suicidal ideation, suicide attempts, diurnal cortisol rhythm, defeat, entrapment
MeSH terms
Adult Survivors of Child Adverse Events, Adolescent, Adult, Emotions, Female, Humans, Hydrocortisone, Hypothalamo-Hypophyseal System, Male, Pituitary-Adrenal System, Surveys and Questionnaires, Risk Factors, Saliva, Stress, Psychological, Suicide, Attempted, Young Adult, Suicidal Ideation

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