Risk factors for non-fatal overdose

From Alcohol, Other Drugs, and Health: Current Evidence:

  • an overdose more than 6 months before study entry (odds ratio [OR], 28.6)
  • younger age (e.g., OR, 7.2 for subjects 18–24 versus those 45 and older)
  • cocaine use in the last 6 months (OR, 2.1)
  • serious withdrawal symptoms in the last 2 months (OR, 2.7)
  • alcohol use in the last 6 months (OR, 1.9)