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A meta-analysis on the affect regulation function of real-time self-injurious thoughts and behaviours

Author

Listed:
  • Kevin S. Kuehn

    (University of Washington)

  • Jonas Dora

    (University of Washington)

  • Melanie S. Harned

    (University of Washington
    Veterans Affairs Puget Sound Health Care System)

  • Katherine T. Foster

    (University of Washington)

  • Frank Song

    (University of Washington)

  • Michele R. Smith

    (University of Washington)

  • Kevin M. King

    (University of Washington)

Abstract

Prominent theories suggest that self-injurious thoughts and behaviours are negatively reinforced by decreased negative affect. The present meta-analysis quantifies effects from intensive longitudinal studies measuring negative affect and self-injurious thoughts and behaviours. We obtained data from 38 of the 79 studies (48%, 22 unique datasets) involving N = 1,644 participants (80% female, 75% white). Individual-participant data meta-analyses revealed changes in affect pre/post self-injurious thoughts and behaviours. In antecedent models, results supported increased negative affect before nonsuicidal self-injurious behaviour (k = 14, 95% CI 0.09 to 0.31) and suicidal thoughts (k = 14, 95% CI 0.03 to 0.19). For consequence models, negative affect was reduced following nonsuicidal self-injurious thoughts (k = 6, 95% CI −0.79 to −0.44), nonsuicidal self-injurious behaviours (k = 14, 95% CI −0.73 to −0.19) and suicidal thoughts (k = 13, 95% CI −0.79 to −0.23). Findings, which were not moderated by sampling strategies or sample composition, support the affect regulation function of self-injurious thoughts and behaviours.

Suggested Citation

  • Kevin S. Kuehn & Jonas Dora & Melanie S. Harned & Katherine T. Foster & Frank Song & Michele R. Smith & Kevin M. King, 2022. "A meta-analysis on the affect regulation function of real-time self-injurious thoughts and behaviours," Nature Human Behaviour, Nature, vol. 6(7), pages 964-974, July.
    • Handle: RePEc:nat:nathum:v:6:y:2022:i:7:d:10.1038_s41562-022-01340-8
    DOI: 10.1038/s41562-022-01340-8
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