Antony Chum, University of Toronto

Research

Sexual Minorities Socio-Environmental Determinants Of Health Suicide-Related Behaviours

Latest papers

Can pharmacare reduce suicide-related behaviors? A quasi-experimental study in Ontario youth.
Social science & medicine (1982) · 2026 · senior author
Housing Insecurity and Disparities Among Gender Minorities in Canada: Evidence From a National Census.
American journal of preventive medicine · 2026 · senior author
Progressive Politics' Impact on Sexual Minority Suicidality and Substance use: A Retrospective Study Using Linked Administrative Data in Ontario.
International journal of social determinants of health and health services · 2026 · senior author

All 43 publications

Latest funding

Making Transgender and Gender-Diverse Youth Visible in Health Systems: A Mixed-Methods Study of Mental Health, Healthcare Utilization, and Gender-Affirming Care in Ontario
CIHR · 2026 · Co-investigator
$699,830
Suicide-Related Behaviours of Lesbians, Gay, and Bisexual individuals in Ontario: Investigating the Socio-Environmental Determinants of Risk and Care using Linked Longitudinal Population-Based Data
CIHR · 2019 · Nominated PI
$156,825

All 2 grants and awards

43 publications.

01

Can pharmacare reduce suicide-related behaviors? A quasi-experimental study in Ontario youth.

Cao P, Ienciu K, Bai Y, Siddiqi A, Poirier M, O'Campo P, Chum A

Social science & medicine (1982)2026Senior author

DOI: 10.1016/j.socscimed.2026.119465 PMID: 42263425

02

Housing Insecurity and Disparities Among Gender Minorities in Canada: Evidence From a National Census.

Bai Y, Kim C, Cao P, Ienciu K, Ehi G, Wang L, Li Q, Chum A

American journal of preventive medicine2026Senior author

DOI: 10.1016/j.amepre.2025.108256 PMID: 41456622

03

Progressive Politics' Impact on Sexual Minority Suicidality and Substance use: A Retrospective Study Using Linked Administrative Data in Ontario.

Kim C, Xia X, Claramunt N, Chum A

International journal of social determinants of health and health services2026Senior author

DOI: 10.1177/27551938261477924 PMID: 42765830

04

Longitudinal trends in vaping, smoking, and harmful alcohol use across sexual orientations in the UK (2014-2021).

Bai Y, Cao P, Kim C, Ienciu K, Ehi G, Chum A

PloS one2026Senior author

DOI: 10.1371/journal.pone.0339847 PMID: 41544040

05

The impact of universal credit on mental, physical, and financial well-being: longitudinal evidence from the UK household longitudinal survey

Bai Y, Kim C, Cao P, Ienciu K, Grignon M, Ramraj O, Tiwana J, Chum A

Social Psychiatry and Psychiatric Epidemiology20261 citationsSenior author

DOI: 10.1007/s00127-026-03108-1

06

The impact of recreational cannabis retailer allocation on emergency department visits: A natural experiment utilizing lottery design.

Bai Y, Cao P, Kim C, Ienciu K, Chum A

The International journal on drug policy2025Senior author

DOI: 10.1016/j.drugpo.2025.104708 PMID: 39842391

07

Gender identity and activity limitations: A national study on transgender and non-binary Canadians.

Bai Y, Cao P, Kim C, Ienciu K, Selvaratnam I, Abramovich A, Jakubiec B, Brennan DJ, Chum A

Preventive medicine2025Senior author

DOI: 10.1016/j.ypmed.2025.108224 PMID: 39805546

08

Rings and Rebuttals: A Quasi-Experimental Study on the Psychological Impact of Marriage Equality on Low-Income Black Sexual Minorities in the United Kingdom.

Bai Y, Kim C, Cao P, Chum A

Archives of sexual behavior2025Senior author

DOI: 10.1007/s10508-024-03067-1 PMID: 39812992

09

Effect of same-sex marriage legalisation on the health of ethnic minority lesbian, gay and bisexual people: a quasi-experimental study.

Bai Y, Kim C, Chum A

Journal of epidemiology and community health2025Senior author

DOI: 10.1136/jech-2024-222651 PMID: 39389759

10

Disparities in self-reported mental health, physical health, and substance use across sexual orientations in Canada.

Bellows Z, Kim C, Bai Y, Cao P, Chum A

PloS one2025Senior author

DOI: 10.1371/journal.pone.0305019 PMID: 40095997

Making Transgender and Gender-Diverse Youth Visible in Health Systems: A Mixed-Methods Study of Mental Health, Healthcare Utilization, and Gender-Affirming Care in Ontario

Co-investigatorCIHR2026Op. Gr. Adv. 2S_LGBTQI+ Heal. Thr. Res. - Advancing 2S/LGBTQI+ Health

Principal investigators: Abramovich, Alex

Keywords: Gender Diversity; Gender Identity; Health Administrative Data; Mental Health; Mixed-Methods; Transgender Youth

$699,830

Suicide-Related Behaviours of Lesbians, Gay, and Bisexual individuals in Ontario: Investigating the Socio-Environmental Determinants of Risk and Care using Linked Longitudinal Population-Based Data

Nominated PICIHR2019Project Grant

Principal investigators: Chum, Antony

Keywords: Sexual Minorities; Socio-Environmental Determinants Of Health; Suicide-Related Behaviours

$156,825

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

Frequent collaborators

Social & Behavioural Health Sciences Division
Kinesiology
Psychology
Applied Health Sciences
Epidemiology Division
Institute of Health Policy, Management, and Evaluation
Biostatistics Division
Other

Co-authors at University of Toronto, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.

Antony Chum

Kinesiology

43 shared papers, latest 2026

Yihong Bai

Kinesiology

14 shared papers, latest 2026

Antony Chum

Applied Health Sciences

14 shared papers, latest 2023

Patricia O’Campo

Epidemiology Division

14 shared papers, latest 2026

Sara Allin

Institute of Health Policy, Management, and Evaluation

4 shared papers, latest 2025

Rosane Nisenbaum

Biostatistics Division

2 shared papers, latest 2020

Alex Abramovich

Social & Behavioural Health Sciences Division

1 shared papers, latest 2025

Maritt Kirst

Social & Behavioural Health Sciences Division

1 shared papers, latest 2025

Hayley Hamilton

Social & Behavioural Health Sciences Division

1 shared papers, latest 2023

Kristian Larsen

Geography and Environmental Studies

1 shared papers, latest 2015

Carles Muntaner

Social & Behavioural Health Sciences Division

1 shared papers, latest 2022

Vicky Stergiopoulos

School of Nursing

1 shared papers, latest 2020

Vicky Stergiopoulos

Li Ka Shing Knowledge

1 shared papers, latest 2020

Arjumand Siddiqi

Epidemiology

1 shared papers, latest 2026

Stephen Hwang

Department of Medicine

1 shared papers, latest 2020

Michel Grignon

Economics

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 2019

Subject: Prospective PhD student: Sexual Minorities Dear Professor Chum, 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 "Can pharmacare reduce suicide-related behaviors? A quasi-experimental study in Ontario youth." (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 "Suicide-Related Behaviours of Lesbians, Gay, and Bisexual individuals in Ontario: Investigating the Socio-Environmental Determinants of Risk and Care using Linked Longitudinal Population-Based Data" (2019), 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]

Antony Chum

Research

Latest papers

Latest funding

Can pharmacare reduce suicide-related behaviors? A quasi-experimental study in Ontario youth.

Housing Insecurity and Disparities Among Gender Minorities in Canada: Evidence From a National Census.

Progressive Politics' Impact on Sexual Minority Suicidality and Substance use: A Retrospective Study Using Linked Administrative Data in Ontario.

Longitudinal trends in vaping, smoking, and harmful alcohol use across sexual orientations in the UK (2014-2021).

The impact of universal credit on mental, physical, and financial well-being: longitudinal evidence from the UK household longitudinal survey

The impact of recreational cannabis retailer allocation on emergency department visits: A natural experiment utilizing lottery design.

Gender identity and activity limitations: A national study on transgender and non-binary Canadians.

Rings and Rebuttals: A Quasi-Experimental Study on the Psychological Impact of Marriage Equality on Low-Income Black Sexual Minorities in the United Kingdom.

Effect of same-sex marriage legalisation on the health of ethnic minority lesbian, gay and bisexual people: a quasi-experimental study.

Disparities in self-reported mental health, physical health, and substance use across sexual orientations in Canada.

Making Transgender and Gender-Diverse Youth Visible in Health Systems: A Mixed-Methods Study of Mental Health, Healthcare Utilization, and Gender-Affirming Care in Ontario

Suicide-Related Behaviours of Lesbians, Gay, and Bisexual individuals in Ontario: Investigating the Socio-Environmental Determinants of Risk and Care using Linked Longitudinal Population-Based Data

Frequent collaborators

Antony Chum

Yihong Bai

Antony Chum

Patricia O’Campo

Sara Allin

Rosane Nisenbaum

Frank MacMaster

Alex Abramovich

Maritt Kirst

Mathieu Poirier

Hayley Hamilton

Alex Abramovich

Kristian Larsen

Carles Muntaner

Vicky Stergiopoulos

Vicky Stergiopoulos

Arjumand Siddiqi

Stephen Hwang

Michel Grignon