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RESEARCH PRODUCT

Suicide attempts in chronically depressed individuals: What are the risk factors?

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Abstract Chronically depressed individuals have a high suicide risk. However, it is an open question whether previously observed risk factors for suicide attempts also apply to chronic depression or whether there are specific risk factors related to chronic-recurrent illness. We drew from a large group of chronically depressed individuals seeking psychotherapy to investigate demographic and psychological factors related to previous suicide attempts. Participants took part in the SCID and filled out established questionnaires. Among 368 chronically depressed individuals (68.7% women; Mage = 40.95 years), 75 participants (19.4%) reported previous suicide attempts. Men were more likely to have used violent methods. We tested the links of having attempted suicide with different variables using logistic regression analyses. Our findings corroborate previously observed risk factors (e.g. sexual abuse, personality disorders) and suggest other risk factors which could be especially relevant in chronic depression (e.g. depression severity, interpersonal problems, self-injurious behavior, and overall years of depression). Other risk factors from previous studies were not related to suicidal behavior within our sample (e.g. anxiety disorders, PTSD). Thus, mental health professionals should be aware that risk factors for suicidal behavior might vary between diagnosis groups and that chronic illness might be a risk factor in itself.