Mark Olfson, MD, MPH
Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University and the New York State Psychiatric Institute, New York, New York
Original Research
Comparing Risk Prediction for Suicide Attempts and Deaths After Emergency Department Visits
March 4, 2026
Distinct factors predict nonfatal and fatal suicidal events. Male sex and depression are the strongest predictors for fatal events; being under 65 years of age and suicidal ideation are...
Original Research
Defense Mechanisms and Common Psychiatric Disorders
April 28, 2025
Individuals with mood, anxiety, or substance use disorders generally had a higher prevalence of defense mechanisms than those with no disorders. Defense mechanisms and psychiatric disorders represent correlated but...
Original Research
Incidence and Risk Factors for Suicide Attempt During Pregnancy and Postpartum
March 5, 2025
Risks of a postpartum suicide attempt were increased 4- to 30-fold by clinical factors, including prenatal suicide attempt ED visits, psychiatric ED visits, and assault ED visits, and by...
Original Research
Race, Ethnicity, and ED Disposition for Mental Health Visits
July 26, 2023
Black patients, especially Black male patients, are overrepresented in inpatient psychiatry. This study examined biases in admission rates among Black patients and, specifically, Black male patients with or without...
