Faculty profile

Christa Orchard

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Adjunct LecturerEpidemiology DivisionUniversity of Toronto

Signals and details

Latest papers

Characterizing suicidal thoughts and behaviours in individuals presenting to a psychiatric emergency department: a protocol for a multimethod approach for suicide prevention research.
BMJ open · 2025
Association between increased screen time during the COVID-19 pandemic and changes in alcohol use behaviours among Canadian adolescents: a prospective cohort study.
Health promotion and chronic disease prevention in Canada : research, policy and practice · 2025
Prevalence of autism among adults in Canada: results from a simulation modelling study
BMJ Open · 2025

All 12 publications

12 publications.

Characterizing suicidal thoughts and behaviours in individuals presenting to a psychiatric emergency department: a protocol for a multimethod approach for suicide prevention research.

Baharikhoob P, Maslej M, Wong AHC, Mulsant B, Blumberger D, Courtney D, Husain MI, Kurdyak P, Kleinman RA, Torfason A, Gajaria A, Diaconescu A, Ma A, Sonley A, Abramovich A, Crawford A, Petronis A, Fage B, Orchard C, Buchman DZ, Liu F, Strudwick G, Lam JSH, Berrevoets M, Mozuraitis M, Reid N, Husain O, Ali S, McMain S, De Luca V, Stergiopoulos V, Lunsky Y, Zaheer J

BMJ open2025

DOI: 10.1136/bmjopen-2024-087561 PMID: 40228850

Association between increased screen time during the COVID-19 pandemic and changes in alcohol use behaviours among Canadian adolescents: a prospective cohort study.

Varatharajan T, Orchard C, Collins E, Al-Jaishi A, Khan SU, Battista K, Leatherdale ST, Edjoc R

Health promotion and chronic disease prevention in Canada : research, policy and practice2025

DOI: 10.24095/hpcdp.45.11/12.03 PMID: 41296692

Prevalence of autism among adults in Canada: results from a simulation modelling study

Collins E, Edjoc R, Farrow A, Dharma C, Georgiades S, Holmes K, Orchard C, O’Donnell S, Palmeter S, Salt M

BMJ Open20252 citations

DOI: 10.1136/bmjopen-2024-089414

The adequacy of workplace accommodation and the incidence of permanent employment separations after a disabling work injury or illness.

Mustard CA, Orchard C, Dobson KG, Carnide N, Smith PM

Scandinavian journal of work, environment & health2024

DOI: 10.5271/sjweh.4149 PMID: 38445410

An observational study of pain severity, cannabis use, and benefit expenditures in work disability.

Mustard CA, Orchard C, Dobson KG, Carnide N, Smith PM

Canadian journal of public health = Revue canadienne de sante publique2024

DOI: 10.17269/s41997-023-00821-1 PMID: 37843785

Using a causal decomposition approach to estimate the contribution of employment to differences in mental health profiles between men and women.

Orchard C, Lin E, Rosella L, Smith PM

SSM - population health2024First author

DOI: 10.1016/j.ssmph.2024.101718 PMID: 39635463

Assessing the impact of the COVID-19 pandemic on the mental health-related hospitalization rate of youth in Canada: an interrupted time series analysis.

Dharma C, Al-Jaishi AA, Collins E, Orchard C, Amankwah N, Lang JJ, Colman I, Weeks M, Edjoc R

Health promotion and chronic disease prevention in Canada : research, policy and practice2024

DOI: 10.24095/hpcdp.44.9.02 PMID: 39388293

Migraine and air pollution: A systematic review.

Portt AE, Orchard C, Chen H, Ge E, Lay C, Smith PM

Headache2023

DOI: 10.1111/head.14632 PMID: 37795754

Gender differences in authorship prior to and during the COVID-19 pandemic in research submissions to Occupational and Environmental Medicine (2017-2021).

Orchard C, Smith PM, Kromhout H

Occupational and environmental medicine2022First author

DOI: 10.1136/oemed-2021-107915 PMID: 35177428

The Association Between Case Manager Interactions and Serious Mental Illness Following a Physical Workplace Injury or Illness: A Cross-Sectional Analysis of Workers' Compensation Claimants in Ontario.

Orchard C, Carnide N, Smith P, Mustard C

Journal of occupational rehabilitation2021First author

DOI: 10.1007/s10926-021-09974-7 PMID: 33818670

Profile data last refreshed on July 30, 2025 from the university directory, publication records and CIHR, NSERC and SSHRC funding.

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Christa Orchard

Latest papers

Characterizing suicidal thoughts and behaviours in individuals presenting to a psychiatric emergency department: a protocol for a multimethod approach for suicide prevention research.

Association between increased screen time during the COVID-19 pandemic and changes in alcohol use behaviours among Canadian adolescents: a prospective cohort study.

Prevalence of autism among adults in Canada: results from a simulation modelling study

The adequacy of workplace accommodation and the incidence of permanent employment separations after a disabling work injury or illness.

An observational study of pain severity, cannabis use, and benefit expenditures in work disability.

Using a causal decomposition approach to estimate the contribution of employment to differences in mental health profiles between men and women.

Assessing the impact of the COVID-19 pandemic on the mental health-related hospitalization rate of youth in Canada: an interrupted time series analysis.

Migraine and air pollution: A systematic review.

Gender differences in authorship prior to and during the COVID-19 pandemic in research submissions to Occupational and Environmental Medicine (2017-2021).

The Association Between Case Manager Interactions and Serious Mental Illness Following a Physical Workplace Injury or Illness: A Cross-Sectional Analysis of Workers' Compensation Claimants in Ontario.

Frequent collaborators

Nancy Carnide

Rojiemiahd Edjoc

Cameron Mustard

Vicky Stergiopoulos

Ian Colman

Fang Liu

Yona Lunsky

Elizabeth Lin

Vicky Stergiopoulos

Shelley McMain

Arturas Petronis

Laura Rosella

Benoit Mulsant

Allison Crawford

Gillian Strudwick

Paul Kurdyak

Alex Abramovich

Shehzad Ali

Darren Courtney

Erjia Ge