• Among 243 patients with a family history of suicide, almost half (118 [48.6%]) had attempted suicide, more than half (137 [56.4%]) had a depressive disorder, and more than a third (84 [34.6%]) had recurrent affective disorder. These 243 patients with a family history of suicide were compared with 5,602 patients with no family history of suicide. A family history of suicide was found to significantly increase the risk for an attempt at suicide in patients with a wide variety of diagnoses: schizophrenia, unipolar and bipolar affective disorders, depressive neurosis, and personality disorders.
Roy A. Family History of Suicide. Arch Gen Psychiatry. 1983;40(9):971–974. doi:10.1001/archpsyc.1983.01790080053007
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