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. 2021 Jan 23;49(6):1776.
doi: 10.1093/ije/dyaa150.

Cohort profile: The provincial substance use disorder cohort in British Columbia, Canada

Fahmida Homayra  1 , Lindsay A Pearce  1 , Linwei Wang  1 , Dimitra Panagiotoglou  1 , Tamunoibim F Sambo  1 , Neale Smith  2 , Rachael McKendry  3 , Bonnie Wilson  3 , Ronald Joe  3 , Ken Hawkins  3 , Rolando Barrios  3 , Craig Mitton  2   4 , Bohdan Nosyk  1   5
Affiliations

Cohort profile: The provincial substance use disorder cohort in British Columbia, Canada

Fahmida Homayra et al. Int J Epidemiol. .
No abstract available

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Figures

Figure 1
Figure 1
Data linkage and key variables of the provincial and local databases. Acronyms: BC: British Columbia, VCH: Vancouver Coast Health Authority, DTES-2GS: Downtown Eastside Second Generation Strategy, ICD-9/10-CA: International Statistical Classification of Diseases and Related Health Problems (ICD), Ninth and Tenth Revisions, Canada.
Figure 2
Figure 2
Identification of substance use disorders and mental health conditions. Acronyms: AUD: alcohol use disorder; OUD: opioid use disorder; SUD: non-opioid, non-alcohol substance use disorder; MH: mental health, PWSUD: people with substance use disorder; MSP: Medical Services Plan; DAD: District Abstract Database; ED: Emergency Department.
Figure 3
Figure 3
Overview of substance use disorders, mental health condition, and housing-related community-based service referrals among the DTES-2GS cohort: April 1, 2009, to March 31, 2017.a Legend: a. Individuals=18 470, all-cause referrals=196 577.
Figure 4
Figure 4
All-cause emergency department readmission within 30 days of discharge.Legend: BL: Provincial cohort participants with opioid and other substance use disorder (baseline); PWOUD: Provincial cohort participants with opioid use disorder; PWMH: Provincial cohort participants with any mental health condition; Numerator = Emergency department (ED) discharges among cohort participantsa with an ED readmissionb for any cause within 30 days, denominator = ED dischargesa among cohort participantsa; a. Excludes emergency department admissions transferred to hospital. b. Includes emergency department readmissions transferred to hospital as well as discharged from emergency department. c. ED discharges from first day of diagnoses to 31 March 2017.
Figure 5
Figure 5
Community-based service referrals within 30 days of emergency department discharge. Legend: Numerator: Emergency department discharges among DTES-2GS cohort participants with opioid use disordera with a community-based serviceb referral within 30 daysb. Denominator: Emergency department discharges among DTES-2GS cohort participants with opioid use disorderb. a. Excludes emergency department admissions transferred to hospital. b. Included case management, counselling, consultation, nursing, in-and outpatient addiction care, group program, primary care, older adult care, housing support, and other health support. c. Prior to emergency department or hospital admission
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References

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