Seminars in Epidemiology

Epidemiology Seminars - Winter 2021

The Department of Epidemiology, Biostatistics and Occupational Health - Seminar Series is a self-approved group learning activity (section 1) as defined by the maintenance of certification program of the Royal College of Physicians and Surgeons of Canada.

PHYSICIANS REQUIRING ACCREDITATION FROM the ROYAL COLLEGE OF PHYSICIANS AND SURGEONS OF CANADA, please complete the Evaluation Form and send to admincoord.eboh [at]

PLEASE NOTE: The Seminar Series-Winter 2021 will take place from 4:00 to 5:00 PM every other Monday via ZOOM. (For Zoom links please click on title)

January 11, 2021 Alyssa Bilinski (Harvard University)
Goldilocks and the Pre-Intervention Time Series: How Long is "Just Right" and the Parallel Trends Implications

1. To understand why pre-intervention time periods that are too long or too short may introduce bias into estimates of causal effects;

2. To understand how to apply data driven estimators to select the length of the pre-intervention time period;

3. To understand how these estimators reduce bias and mean-squared error compared to traditional estimators.

Not Available
January 25, 2021 Xiangfei Meng (McGill)

How do Adverse Early Life Experiences Influence Our Mental Health?

1. Understand the importance of early life experiences in the subsequent health outcomes;

2. Be familiar with the potential mechanisms of early life experiences linking with subsequent mental health;

3. Recognize the roles of internal and external adaptive factors in the processes of early life experiences in subsequent mental health.


Recording Link
February 8, 2021 Marc Beltempo  (McGill)

Resource Allocation in the Neonatal Intensive Care Unit – Does it Matter?


1. Review how large collaborative quality improvement initiatives have helped change outcomes of preterm infants;

2. Review how resource allocation, specifically nursing ratios and unit occupancy in the NICU can affect patient outcomes;

3. Discuss the current gaps in knowledge and barriers to help improve resource allocation in the NICU.


Recording Link
February 22, 2021 Kelly K. Anderson (Western University) Psychosis among Migrant Groups in Ontario: Differences in Risk, Access to Care, and Clinical Presentation at First Onset

1. To discuss the epidemiology of psychotic disorders among migrant groups in Ontario;

2. To describe the disparities faced by these groups when accessing psychiatric treatment;

3. To highlight perceived differences in clinical presentation for migrant groups at first hospitalization for psychotic disorder.


Available upon request
March 15, 2021 Joanna Merckx (McGill)

Transmission of SARS-CoV-2 in School-Aged Children:  Evidence from Belgian Sero-Prevalence Studies and School Based Surveillance

1. Introduce concepts of transmission of SARS-CoV-2 by children and the different study designs and considerations necessary for a valid assessment of transmission dynamics;

2. Provide examples of the application of different school-based studies, focussing on sero-prevalence and case surveillance studies in Belgium;

3. Summarize knowledge of the role of children in the transmission dynamics of SARS-CoV-2.


Recording Link


March 22, 2021

Senjuti Saha (Child Health Research Foundation, Bangladesh)


Tackling Paediatric Infections in Low-Resource Settings


The Dalla Lana School of Public Health, Centre for Vaccine Preventable Diseases, University of Toronto in collaboration with the Department of Epidemiology, Biostatistics, and Occupational Health, School of Population and Global Health, Faculty of Medicine  
March 29, 2021 Brett Thombs (McGill)

Using Cohorts and other Types of Routinely Conducted Data as Trial Frameworks: Examples from the Scleroderma Patient-Centered Intervention Network

1. To summarize key design elements and potential advantages and challenges of using cohorts and routinely collected data to conduct clinical trials ;

2. To describe the experience of one research group in using a cohort as an ongoing framework for clinical trials ;

3. To describe lessons learned as an early implementer of cohort-based trials, including unanticipated advantages and disadvantages.


Recording Link
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