Lucie Richard, University of Toronto

Research

Equity In Predictive Models Machine Learning/Artificial Intelligence In Healthcare Sepsis Social Determinants Of Health

Latest papers

Health services use for injury amongst persons experiencing homelessness in Ontario, Canada: a population-based retrospective matched cohort study.
BMC public health · 2026
Disparities in Delayed Discharge Among Patients Experiencing Homelessness.
JAMA network open · 2026 · first author
Acute healthcare utilization associated with positive SARS-CoV-2 testing or serology among people experiencing homelessness: A prospective cohort study.
PloS one · 2026 · first author

All 24 publications

Latest funding

Unpacking the Pronounced Risks Faced by People with Schizophrenia Spectrum Diagnoses During Heat Extremes: A Feasibility Test and Mechanisms Validation
CIHR · 2026 · Co-investigator
$573,750
Recuperative Environment for Safer Transitions after hospitalization for people experiencing HOMElessness (REST-HOME) Trial
CIHR · 2026 · Co-investigator
$742,051
Transforming Sepsis Care: Robust prediction and decision making leveraging the Social Determinants of Health
CIHR · 2024 · Principal investigator
$1,996,903

All 4 grants and awards

24 publications.

01

Health services use for injury amongst persons experiencing homelessness in Ontario, Canada: a population-based retrospective matched cohort study.

Visser C, Richard L, Walker M, Li W, Evans CC

BMC public health2026

DOI: 10.1186/s12889-026-27046-4 PMID: 41888800

02

Disparities in Delayed Discharge Among Patients Experiencing Homelessness.

Richard L, Morais S, Francombe Pridham K, Wen V, Hwang SW, Mondor L

JAMA network open2026First author

DOI: 10.1001/jamanetworkopen.2026.23860 PMID: 42467431

03

Acute healthcare utilization associated with positive SARS-CoV-2 testing or serology among people experiencing homelessness: A prospective cohort study.

Richard L, Carter B, Liu M, Nisenbaum R, Hwang SW

PloS one2026First author

DOI: 10.1371/journal.pone.0343639 PMID: 41779694

04

Identifying potential post-COVID-19 condition among people experiencing homelessness using longitudinal symptom patterns: A prospective cohort study.

Richard L, Nisenbaum R, Dyer A, Mergarten D, Brown M, Stewart S, Hwang SW

Public health2026First author

DOI: 10.1016/j.puhe.2026.106148 PMID: 41548411

05

Dysinclusion: naming and defining the inequitable absence of marginalized populations in health research

Durbin A, Whittingham L, Menezes A, Richard L, Durbin J, Orkin AM

Journal of Clinical Epidemiology20263 citations

DOI: 10.1016/j.jclinepi.2025.112048

06

Practice patterns and outcomes in cancer patients developing immune checkpoint inhibitors–related AKI

Blanchette PS, Reid J, Richard L, Shariff SZ, Raphael J, Earle CC, Garg AX, Kitchlu A

Nephrology Dialysis Transplantation20262 citations

DOI: 10.1093/ndt/gfaf191

07

Invasive Group A Streptococcal Disease in Persons Experiencing Postpandemic Homelessness in Canada

Kassee C, Dabaja-Younis H, Richard L, Golden AR, Zhong Z, Allen V, Almohri H, Armstrong I, Baqi M, Barker KR

JAMA Network Open2026

DOI: 10.1001/jamanetworkopen.2025.57932

08

Mortality risk from first shelter contact: rethinking exposure.

Richard L

The Lancet. Public health2025First author

DOI: 10.1016/s2468-2667(25)00193-8 PMID: 40883036

09

Incidence and factors associated with SARS-CoV-2 infection and re-infection among people experiencing homelessness in Toronto, Canada: A prospective cohort study.

Richard L, Carter B, Liu M, Nisenbaum R, Hwang SW

PloS one2025First author

DOI: 10.1371/journal.pone.0319296 PMID: 40019892

10

Corrigendum to 'Identification of homelessness using health administrative data in Ontario, Canada following a national coding mandate: a validation study' [Journal of Clinical Epidemiology 172 (2024) 111430].

Richard L, Carter B, Nisenbaum R, Liu M, Hwang SW

Journal of clinical epidemiology2025First author

DOI: 10.1016/j.jclinepi.2024.111615 PMID: 39668000

Unpacking the Pronounced Risks Faced by People with Schizophrenia Spectrum Diagnoses During Heat Extremes: A Feasibility Test and Mechanisms Validation

Co-investigatorCIHR2026Project Grant

Principal investigators: Kidd, Sean A; Rotenberg, Martin A; Stopps, Helen K; Xue, Siqi

Keywords: Climate Change; Heat; Longitudinal; Schizophrenia

$573,750

Recuperative Environment for Safer Transitions after hospitalization for people experiencing HOMElessness (REST-HOME) Trial

Co-investigatorCIHR2026Project Grant

Principal investigators: Hwang, Stephen W; Colacci, Michael

Keywords: Health Care Access; Health Care Utilization; Health Outcomes; Health Status; People Experiencing Homelessness (Peh); Randomized Controlled Trial; Recuperative Care; Social-Economic Determinants Of Health

$742,051

Transforming Sepsis Care: Robust prediction and decision making leveraging the Social Determinants of Health

Principal investigatorCIHR2024Team Grant: Embracing Diversity to Achieve Precision & Health Equity - Aging

Principal investigators: Gopalkrishnan, Rahul; Razak, Fahad; Richard, Lucie; Siddiqi, Arjumand; Verma, Amol

Keywords: Equity In Predictive Models; Machine Learning/Artificial Intelligence In Healthcare; Sepsis; Social Determinants Of Health

$1,996,903

Understanding the Heightened Amputation Risk Among People Experiencing Homelessness: A Population-based Cohort Study

Co-investigatorCIHR2023Project Grant

Principal investigators: de Mestral, Charles

Keywords: Diabetes; Foot Care; Homelessness; Leg Amputation; Peripheral Artery Disease

$145,351

From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.

Medicine

1 shared papers, latest 2026

Write to this professor

A short, specific email works best. This draft uses one of their recent papers; replace the parts in brackets with your own details before sending.

Applying for

Paper to mentionMention their CIHR grant from 2024

Subject: Prospective PhD student: Equity In Predictive Models Dear Professor Richard, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "Health services use for injury amongst persons experiencing homelessness in Ontario, Canada: a population-based retrospective matched cohort study." (2026), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] I also saw your CIHR-funded project "Transforming Sepsis Care: Robust prediction and decision making leveraging the Social Determinants of Health" (2024), and I would be glad to contribute to work in that direction. Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]

Lucie Richard

Research

Latest papers

Latest funding

Health services use for injury amongst persons experiencing homelessness in Ontario, Canada: a population-based retrospective matched cohort study.

Disparities in Delayed Discharge Among Patients Experiencing Homelessness.

Acute healthcare utilization associated with positive SARS-CoV-2 testing or serology among people experiencing homelessness: A prospective cohort study.

Identifying potential post-COVID-19 condition among people experiencing homelessness using longitudinal symptom patterns: A prospective cohort study.

Dysinclusion: naming and defining the inequitable absence of marginalized populations in health research

Practice patterns and outcomes in cancer patients developing immune checkpoint inhibitors–related AKI

Invasive Group A Streptococcal Disease in Persons Experiencing Postpandemic Homelessness in Canada

Mortality risk from first shelter contact: rethinking exposure.

Incidence and factors associated with SARS-CoV-2 infection and re-infection among people experiencing homelessness in Toronto, Canada: A prospective cohort study.

Corrigendum to 'Identification of homelessness using health administrative data in Ontario, Canada following a national coding mandate: a validation study' [Journal of Clinical Epidemiology 172&#xa0;(2024) 111430].

Unpacking the Pronounced Risks Faced by People with Schizophrenia Spectrum Diagnoses During Heat Extremes: A Feasibility Test and Mechanisms Validation

Recuperative Environment for Safer Transitions after hospitalization for people experiencing HOMElessness (REST-HOME) Trial

Transforming Sepsis Care: Robust prediction and decision making leveraging the Social Determinants of Health

Understanding the Heightened Amputation Risk Among People Experiencing Homelessness: A Population-based Cohort Study

Frequent collaborators

Rosane Nisenbaum

Gustavo Saposnik

Allison McGeer

Suzanne Stewart

Carolyn Snider

Sharmistha Mishra

Anne-Claude Gingras

Irene Armstrong

Liane Macdonald

Naomi Thulien

Richard Booth

Michael Silverman

Vicky Stergiopoulos

Gabriel Fabreau

Kerry McBrien

Tara Kiran

Cheryl Forchuk

Janet Durbin

Anna Durbin

Andrew Boozary

Aaron Campigotto

Julianne Kus

Aaron Orkin

Amit Garg

Mikaela Gabriel

Anjali Linda Candice Menezes

Sergio Borgia

Corrigendum to 'Identification of homelessness using health administrative data in Ontario, Canada following a national coding mandate: a validation study' [Journal of Clinical Epidemiology 172 (2024) 111430].