Publications

These publications are examples of research made possible with data from CanPath and its regional cohorts.

2021

Two approaches for estimating propensity score weights for examining neighbourhood built environment and walking changes

Authors: Chelsea Christie, Jennifer Vena, Christine Friedenreich, Gavin McCormack

Christie et al. created a walkability index using pre- and post-relocation neighbourhood built environment and walking data from Alberta’s Tomorrow Project participants to examine how walking duration changed with residential relocation. While changes in walkability were not associated with changes in walking, the researchers suggest further research regarding neighbourhood environment changes and other physical activity behaviours.

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2021

Examining the etiology of early-onset breast cancer in the Canadian Partnership for Tomorrow’s Health (CanPath)

Authors: Joy Pader, Robert Basmadjian, Dylan O'Sullivan, Nicole Mealey, Yibing Ruan, Christine Friedenreich, Rachel Murphy, Edwin Wang, May Lynn Quan, Darren Brenner

The objective of this study was to investigate relationships between modifiable and non-modifiable risk factors and early-onset breast cancer among the BC Generations Project, Alberta’s Tomorrow Project and Ontario Health Study. In this study, measures of adiposity, pregnancy history, and familial history of breast cancer are important risk factors for early-onset breast cancer.

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2021

Dietary patterns with combined and site-specific cancer incidence in Alberta’s Tomorrow Project cohort

Authors: Romy Willemsen, Jessica McNeil, Emily Heer, Steven Johnson, Christine Fredenreich, Darren Brenner

This study used data from the Alberta’s Tomorrow Project to examine the association between dietary patterns derived with two methods, and combined and site-specific cancer incidence in Canada.

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2021

Associations between neighbourhood built characteristics and sedentary behaviours among Canadian men and women: findings from Alberta’s Tomorrow Project

Authors: Vikram Nichani, Liam Turley, Jennifer E. Vena, Gavin R. McCormack

This study examined associations between the objective neighbourhood built environment and self-reported sedentary behaviour. Researchers sourced data from 14,785 Alberta’s Tomorrow Project participants. 3-way intersections, high population counts, and high walkability resulted in more sitting time, and low connectivity and low walkability resulted in more sitting time in motor vehicles.

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2021

A longitudinal residential relocation study of changes in street layout and physical activity

Researchers sourced data from 5,944 Alberta’s Tomorrow Project participants to estimate physical activity differences between non-movers and movers – those moving to neighbourhoods with less or more integrated street layouts. They found that moving to more integrated areas led to more leisure walking and more moderate- and vigorous-intensity physical activity.

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2021

Normal sex and age-specific parameters in a multi-ethnic population: a cardiovascular magnetic resonance study of the Canadian Alliance for Healthy Hearts and Minds cohort

Authors: Judy M. Luu, Catherine Gebhard, Chinthanie Ramasundarahettige, Dipika Desai, Karleen Schulze, Francois Marcotte, Philip Awadalla, Philippe Broet, Trevor Dummer, Jason Hicks, Eric Larose, Alan Moody, Eric E. Smith, Jean-Claude Tardif, Tiago Teixeira, Koon K. Teo, Jennifer Vena, Douglas S. Lee, Sonia S. Anand, Matthias G. Friedrich

Researchers sought to create a robust, reference value set for cardiovascular magnetic resonance (CMR) parameters, and understand their relationship with age and sex in people without cardiovascular disease (CVD) history or risk factors. They were able to uncover a significant influence of sex and age on these parameters for use in clinical evaluations of CVD.

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2020

Social Jetlag and Prostate Cancer Incidence in Alberta’s Tomorrow Project: A Prospective Cohort Study

Authors: Liang Hu, Andrew Harper, Emily Heer, Jessica McNeil, Chao Cao, Yikyung Park, Kevin Martell, Geoffrey Gotto, Grace Shen-Tu, Cheryl Peters, Darren Brenner, Lin Yang

Social jetlag has been linked with obesity, metabolic disorders, and cardiovascular risk in previous research. This study assessed social jetlag in 7455 cancer-free men in Alberta’s Tomorrow Project and followed them for on average 9.6 years, 250 men were diagnosed with prostate cancer. The study found that the more social jetlag men experienced, the greater their prostate cancer risk was.

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2020

Combinations of modifiable lifestyle behaviours in relation to colorectal cancer risk in Alberta’s Tomorrow Project

Authors: Dylan E. O’Sullivan, Amy Metcalfe, Troy W. R. Hillier, Will D. King, Sangmin Lee, Joy Pader, Darren R. Brenner

The researchers sought to identify distinct clusters of individuals that exhibit unique patterns of modifiable life-style related behaviours and determine how these patterns are associated with the risk of developing colorectal cancer. The team identified 7 unique behaviours where the cancer risk was 2.34-2.87 times higher for the high-risk groups than the low-risk groups.

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2020

Diabetes, Brain Infarcts, Cognition and Small Vessels in the Canadian Alliance for Healthy Hearts and Minds Study

Authors: Hertzel Gerstein, Eric Smith, Chinthanie Ramasundarahettige, Dipika Desai, Philip Awadalla, Philippe Broet, Sandra Black, Trevor Dummer, Jason Hicks, Alan Moody, Jean-Claude Tardif, Koon Teo, Jennifer Vena, Salim Yusuf, Douglas Lee, Matthias Friedrich, Sonia Anand

The CAHHM study collected brain and carotid magnetic resonance imaging (MRI) and two cognitive tests (DSST and MoCA) in a cross-sectional sample of 7,733 men and women. It was concluded that small vessel disease characterizes much of the relationship between diabetes and vascular brain injury. However, additional factors are required to disentangle the relationship between diabetes and cognitive impairment.

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2020

Long-term exposure to a mixture of industrial SO 2, NO 2, and PM 2.5 and anti-citrullinated protein antibody positivity

Authors: Naizhou Zhao, Audrey Smagiassi, Marianne Hatzopoulou, Ines Colmegna, Marie Hudson, Marvin Fritzler, Philip Awadalla, Sasha Bernatsky

The research team looked at exposures to SO2, NO2, and fine particles matter on anti-citrullinated protein antibodies, a characteristic biomarker for rheumatoid arthritis (RA). It was found that there was a positive correlation between ACPA and industrial emissions of PM2.5 and SO2.

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