Table 1

Identification of mental health and substance use disorders using hospital (any diagnosis codes) and emergency department (ED) records among DTES cohort participants (n=56 875)*

Health conditionsTotalProportion of individuals identified by data source
No. of individualsPrevalence (%)Hospital records only N (%)ED records only
N (%)
Both hospital and ED records N (%)
Mental health and substance use disorders16 99629.95024 (29.6)4330 (25.5)7642 (45.0)
Any selected substance use disorders12 63822.25252 (41.6)3238 (25.6)4148 (32.8)
Alcohol use disorders620610.92877 (46.4)1727 (27.8)1602 (25.8)
Other substance use disorders†986517.34938 (50.1)2160 (21.9)2767 (28.0)
Opioid use disorder54079.52778 (51.4)1465 (27.1)1164 (21.5)
Any selected mental health disorders916316.12059 (22.5)2705 (29.5)4399 (48.0)
Mood disorders‡42867.51792 (41.8)1195 (27.9)1299 (30.3)
Depression32455.71231 (37.9)1226 (37.8)788 (24.3)
Psychoses47638.4799 (16.8)1410 (29.6)2554 (53.6)
Neurotic/stress/somatoform disorders§41897.41408 (33.6)2142 (51.1)639 (15.3)
Anxiety disorders25154.4681 (27.1)1642 (65.3)192 (7.6)
Personality disorders18603.31488 (80.0)164 (8.8)208 (11.2)
  • *Cases identified using at least one hospital or ED record of diagnosis code.

  • †Included opioid use disorder.

  • ‡Included depression.

  • §Included anxiety disorders.

  • DTES, Downtown Eastside.