Journal
SUICIDE AND LIFE-THREATENING BEHAVIOR
Volume 49, Issue 1, Pages 310-327Publisher
WILEY
DOI: 10.1111/sltb.12436
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Funding
- National Institute of Mental Health [T32MH018921-26]
- National Institute of Mental Health National Research Service Award [F31MH108241-01A1]
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Nonsuicidal self-injury (NSSI) and disordered eating (DE) are highly comorbid and may be regarded as belonging to a spectrum of self-harm behaviors. We investigated self-criticism as a transdiagnostic correlate of these behaviors, in keeping with etiological theories of both NSSI and DE. We reviewed the literature and meta-analyzed the relation of self-criticism to both NSSI (15 studies; 17 effect sizes) and DE (24 studies; 29 effect sizes). Results showed equivalent, moderate-to-large effects for the relation of self-criticism to NSSI (r=.38; CI: .29-.46) and DE (r=.40; CI: .34-.45). The relation of NSSI to self-criticism generalized across multiple potential moderators. DE behavior type moderated the relation of self-criticism to DE, with a stronger relation emerging for purging than restriction. Findings support self-criticism as a possible candidate for transdiagnostic pathways to self-harm.
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