Faculty profile

Andrea Gruneir

ResearcherUniversity of Toronto

This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a University of Toronto directory, so their courses and email address may be missing. Find their university profile.

Andrea Gruneir

Researcher

Health Sciences

University of Toronto

Toronto, Ontario, Canada

Supervision signals

Has led research grants, which requires an independent research appointment. Ask their department whether they supervise graduate students.
22 publications in the last five years, latest in 2026.
Senior (last) author on 4 recent papers, a sign of leading a research group.
Principal investigator on 6 research grants (6 CIHR), most recently in 2024.

These signals come from public records, including CIHR, NSERC and SSHRC funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

100

Publications

865

Citations

h-index

Collaborators

Grants

Publications by year

Counts cover the works listed on the university profile; citation counts come from Dimensions.

Profiles and links

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Signals and details

Research

Emergency Department Visits Linked Administrative Data Long-Term Care Older Adults Transitions Caregiving Dementia Chronic Conditions

Latest papers

Mental Illness Prevalence Among Ontario Home Care Clients: Variation by Urban/Rural Residence and Deprivation Measures: Prévalence de la maladie mentale chez les clients de soins à domicile en Ontario : variation selon la résidence urbaine/rurale et les mesures de défavorisation.
Canadian journal of psychiatry. Revue canadienne de psychiatrie · 2026
Mental illness among persons with and without dementia in continuing care: A multi-jurisdictional, repeated cross-sectional study.
Journal of Alzheimer's disease : JAD · 2026
Single-item versus scale: Comparing respondent demographic, social, and health characteristics by measure of loneliness using the Canadian Longitudinal Study on Aging (CLSA) data
PLoS ONE · 2026 · senior author

All 100 publications

Latest funding

GLP-1 Receptor Agonists: Exploring Adverse Drug Events in Older Adults
CIHR · 2025 · Co-investigator
$100,000
A National Study on the Health Impacts and Experience of Family Caregiving for Canadians Living with Dementia
CIHR · 2024 · Principal investigator
$573,750
An intersectional and life course approach to loneliness in middle-aged and older adults: generating evidence for tailored and equitable action
CIHR · 2024 · Co-investigator
$474,300

All 21 grants and awards

100 publications.

Mental Illness Prevalence Among Ontario Home Care Clients: Variation by Urban/Rural Residence and Deprivation Measures: Prévalence de la maladie mentale chez les clients de soins à domicile en Ontario : variation selon la résidence urbaine/rurale et les mesures de défavorisation.

Wang C, Marrie RA, Luo J, Bolton JM, Gruneir A, Dvorani E, Everett K, Goodarzi Z, Li P, Jaakkimainen L, Maxwell CJ, EMHLTH-CC Research Team

Canadian journal of psychiatry. Revue canadienne de psychiatrie2026

DOI: 10.1177/07067437261468887 PMID: 42658223

Mental illness among persons with and without dementia in continuing care: A multi-jurisdictional, repeated cross-sectional study.

Champigny J, Hogan DB, Marrie RA, Luo J, Chen X, Ekuma O, Walld R, Dvorani E, Bolton JM, Goodarzi Z, Li P, Seitz D, Gruneir A, Hoben M, Herrmann N, Mondor L, Maxwell CJ, EMHLTH-CC Research Team

Journal of Alzheimer's disease : JAD2026

DOI: 10.1177/13872877261476238 PMID: 42593346

Single-item versus scale: Comparing respondent demographic, social, and health characteristics by measure of loneliness using the Canadian Longitudinal Study on Aging (CLSA) data

Chamberlain SA, Griffith LE, Savage RD, Batara J, Yan W, Gruneir A

PLoS ONE20262 citationsSenior author

DOI: 10.1371/journal.pone.0341572

Comparison of opioid use among long-term care residents in Ontario and Alberta, Canada: A multi-jurisdictional, repeated cross-sectional study.

Maxwell CJ, Campitelli MA, Gruneir A, Iaboni A, Maclagan LC, Hogan DB, Youngson E, Chen X, Li Z, Bronskill SE

Canadian journal of pain = Revue canadienne de la douleur2025

DOI: 10.1080/24740527.2025.2518151 PMID: 40657448

Association of loneliness with healthcare transitions and mortality in older adults in Ontario, Canada: a retrospective cohort study.

Savage RD, Sutradhar R, Luo J, Strauss R, Guan J, Rochon PA, Gruneir A, Sanmartin C, Goel V, Rosella LC, Stall NM, Chamberlain SA, Yu C, Altaf A, Bronskill SE

BMJ open2025

DOI: 10.1136/bmjopen-2024-087804 PMID: 40262951

Developing a minimum dataset for a national patient registry on Long COVID in Canada: a Delphi consensus-based study

Mazurik K, Amah A, Dumitrescu DI, Ejalonibu H, Chavda B, Kemp D, Frederick DE, Mclean C, Décary S, Gruneir A

BMJ Open2025

DOI: 10.1136/bmjopen-2025-111474

Psychotropic, Anticonvulsant, and Opioid Use in Assisted Living Residents Before and During the COVID-19 Pandemic.

Maxwell CJ, Dampf H, Alkabbani W, Cotton CA, Gamble JM, Hogan DB, Gruneir A, McArthur E, Youngson E, Hsu Z, Hoben M

Journal of the American Medical Directors Association2024

DOI: 10.1016/j.jamda.2023.09.009 PMID: 37863111

Sex-based trajectories of health system use in lonely and not lonely older people: A population-based cohort study.

Savage RD, Sutradhar R, Luo J, Strauss R, Guan J, Rochon PA, Gruneir A, Sanmartin C, Goel V, Rosella LC, Stall NM, Chamberlain SA, Yu C, Bronskill SE

Journal of the American Geriatrics Society2024

DOI: 10.1111/jgs.18833 PMID: 38407328

Factors associated with loneliness in immigrant and Canadian-born older adults in Ontario, Canada: a population-based study.

Lu M, Bronskill SE, Strauss R, Boblitz A, Guan J, Im JHB, Rochon PA, Gruneir A, Savage RD

BMC geriatrics2023

DOI: 10.1186/s12877-023-04092-w PMID: 37344785

Sex-based differences in the association between loneliness and polypharmacy among older adults in Ontario, Canada.

Im JHB, Bronskill SE, Strauss R, Gruneir A, Guan J, Boblitz A, Lu M, Rochon PA, Savage RD

Journal of the American Geriatrics Society2023

DOI: 10.1111/jgs.18477 PMID: 37338145

GLP-1 Receptor Agonists: Exploring Adverse Drug Events in Older Adults

Co-investigatorCIHR2025Project Grant - Priority Announcement: Patient-Oriented Research

Principal investigators: Rochon, Paula A; Stall, Nathan M

Keywords: Adverse Drug Events; Aging; Glp-1 Receptor Agonists; Older Women; Ozempic; Rybelsus

$100,000

A National Study on the Health Impacts and Experience of Family Caregiving for Canadians Living with Dementia

Principal investigatorCIHR2024Project Grant

Principal investigators: Stall, Nathan M; Armstrong, Joshua J; Gruneir, Andrea; Lix, Lisa M; Rochon, Paula A; Saragosa, Marianne; Sivananthan, Saskia N

Keywords: Caregiving; Dementia

$573,750

An intersectional and life course approach to loneliness in middle-aged and older adults: generating evidence for tailored and equitable action

Co-investigatorCIHR2024Project Grant

Principal investigators: Savage, Rachel; Chamberlain, Stephanie A

Keywords: Aging; Intersectional; Life Course; Loneliness; Neighbourhood; Older Adults; Public Health; Social Connection

$474,300

An intersectional and life course approach to loneliness in middle-aged and older adults: generating evidence for tailored and equitable action

Co-investigatorCIHR2023Project Grant - Priority Announcement: Population and Public Health

Principal investigators: Savage, Rachel; Chamberlain, Stephanie A

Keywords: Aging; Intersectional; Life Course; Loneliness; Neighbourhood; Older Adults; Public Health; Social Connection

$100,000

Long COVID Web: Pan-Canadian Post-COVID Condition Research Network

Co-investigatorCIHR2022Operating Grant: Canadian Post COVID-19 Condition Research Network

Principal investigators: Cheung, Angela M; Goulding, Susie E; Graves, Donna Lorraine; Archambault, Patrick; Awadalla, Philip; Bakal, Jeffrey A; Bhéreur, Anne; Brotto, Lori Anne; Busse, Jason W; Cameron, Jill I; Churchill, Katie; Crawley, Angela M; Décary, Simon; Durand, Madeleine; Falcone, Emilia L; Fowler, Robert A; Gommerman, Jennifer L; Graham, Kathryn E; Graham, Simon J; Groot, Gary; Gross, Douglas P; Guyatt, Gordon H; Halas, Gayle; Ho, Chester; Hohl, Corinne M; Holroyd, Brian R; Janjua, Naveed Z; Johnson, Pauline; Juando Prats, Clara; Kashuba, Sherri; Katz, Alan; Kho, Michelle E; Lam, Grace Y; Lamontagne, Francois; Langlois, Marc-Andre; Lavis, John N; Law, Susan K; LeBlanc, Annie; Levin, Adeera; Liu-Ambrose, Teresa Y; Liu, Peter P; Lix, Lisa M; Mandhane, Piush; Mann, Balraj; McGrail, Kimberlyn M; McNagny, Kelly M; Miciak, Maxi A; Mishra, Sharmistha; Muhajarine, Nazeem; Mukherjee, Manali; Mushquash, Christopher J; Nacul, Luis; O'Brien, Kelly K; Osgood, Nathaniel D; Papathanasoglou, Elisavet; Penninger, Josef; Piche, Alain; Pinto, Andrew D; Quinn, Kieran L; Rafferty, Ellen; Raj, Satish R; Razak, Fahad; Russell, James A; Sander, Beate H; Sekuler, Allison B; Soares, Claudio D; Tailfeathers, Esther; Tomlinson, George A; Tricco, Andrea C; Valdez, Yanet; Verma, Amol; Vohra, Sunita; Walmsley, Sharon L; Walsh, Jillian; Weeks, Laura C; Williams, Kienan; Wu, Jianhong; Yeung, Rae S

Keywords: Biobanking; Knowledge Translation; Long Covid; Mechanism Of Disease; National Network; Patient Engagement; Patient Registries; Post-Covid Condition; Research Communications; Social Determinants Of Health

$19,999,614

Prescribing Cascades: Putting the Pieces Together to Optimize Prescribing

Co-investigatorCIHR2021Project Grant

Principal investigators: Rochon, Paula A; Hillmer, Michael

Keywords: Medication Safety; Older Adults; Older Women; Polypharmacy; Population-Level Data; Prescribing Cascade; Prevalence; Reducing Medication Harm; Sex And Gender

$493,425

Postpartum depression Action toward Causes and Treatment (PACT) - Canada: Predictive Analytic Models for Postpartum Depression Risk

Co-investigatorCIHR2017Catalyst Grant: Personalized Health Catalyst Grants

Principal investigators: Vigod, Simone N

Keywords: Depression; Postpartum; Prevention; Risk Tool

$200,000

A Multi-Method Approach to Exploring Prescribing Cascades

Co-investigatorCIHR2016Project Grant

Principal investigators: Rochon, Paula A; Bronskill, Susan E

Keywords: Behavioural Analysis; Drug Therapy; Older Adults; Older Women; Prescribing Cascade; Problematic Polypharmacy; Sex And Gender

$488,069

A Multi-Method Approach to Exploring Prescribing Cascades

Co-investigatorCIHR2016Project Grant

Principal investigators: Rochon, Paula A; Bronskill, Susan E

Keywords: Behavioural Analysis; Drug Therapy; Older Women; Prescribing Cascade; Problematic Polypharmacy

$100,000

Team Grant in Late Life Issues: Optimizing Prescribing in Late Life for Women and Men

Principal investigatorCIHR2015Team Grant: Late Life Issues - LOI

Principal investigators: Rochon, Paula A; Bronskill, Susan E; Gruneir, Andrea

Keywords: Chronic Conditions; Deprescribing; Geriatrics; Late Life; Multimorbidity; Optimizing Prescribing

$24,945

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

Write to this professor

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Applying for

Paper to mentionMention their CIHR grant from 2024

Subject: Prospective PhD student: Emergency Department Visits Dear Professor Gruneir, 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 "Mental Illness Prevalence Among Ontario Home Care Clients: Variation by Urban/Rural Residence and Deprivation Measures: Prévalence de la maladie mentale chez les clients de soins à domicile en Ontario : variation selon la résidence urbaine/rurale et les mesures de défavorisation." (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 "A National Study on the Health Impacts and Experience of Family Caregiving for Canadians Living with Dementia" (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]

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Andrea Gruneir

Research

Latest papers

Latest funding

Mental illness among persons with and without dementia in continuing care: A multi-jurisdictional, repeated cross-sectional study.

Single-item versus scale: Comparing respondent demographic, social, and health characteristics by measure of loneliness using the Canadian Longitudinal Study on Aging (CLSA) data

Comparison of opioid use among long-term care residents in Ontario and Alberta, Canada: A multi-jurisdictional, repeated cross-sectional study.

Association of loneliness with healthcare transitions and mortality in older adults in Ontario, Canada: a retrospective cohort study.

Developing a minimum dataset for a national patient registry on Long COVID in Canada: a Delphi consensus-based study

Psychotropic, Anticonvulsant, and Opioid Use in Assisted Living Residents Before and During the COVID-19 Pandemic.

Sex-based trajectories of health system use in lonely and not lonely older people: A population-based cohort study.

Factors associated with loneliness in immigrant and Canadian-born older adults in Ontario, Canada: a population-based study.

Sex-based differences in the association between loneliness and polypharmacy among older adults in Ontario, Canada.

Frequent collaborators

Andrea Gruneir

Nathan Herrmann

Lauren Griffith

Maureen Frances Markle-Reid

Jenny Ploeg

Matthias Hoben

Matthias Hoben

Richard Perez

Ross Upshur

Christopher Patterson

Soham Rej

Paula Rochon

Ziv Harel

Nick Daneman

Dallas Seitz

Paula Rochon

Kednapa Thavorn

Kednapa Thavorn

Connie Marras

Vasily Giannakeas

Andrea Iaboni

Lisa McCarthy

Elizabeth Lin

Kednapa Thavorn

Jennifer Baumbusch

Dallas Seitz

Valerie Taylor

Amit Garg

J Michael Paterson

Joanne Ho

David Lloyd Streiner

Andrew Costa

Aaron Jones

Amiram Jacob Gafni

Michelle Howard

Michelle Kho