Construction sector

IWH research that specifically involves construction workplaces, workers, unions, employers and/or associations, as well as research on programs that specifically target the construction sector, is collected together here. Not included is IWH research that cuts across all or many sectors, even though it may be relevant to the construction sector. For this reason, visitors are encouraged to explore beyond this page to find equally important information on the prevention of work injury and disability in construction.

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Roofers Tied Off with Nail Gunbooth IHSA
Impact case study

IWH evaluation of the effectiveness of the Ontario working-at-heights training standard

An IWH study on the effectiveness of Ontario's mandatory training was valuable to the labour ministry in several ways—including in reinforcing the value of program evaluations.
Published: November 21, 2023
A residential home in mid-build is surrounded by scaffolding
At Work article

Safer work practices, lower injury rates maintained two years after Ontario’s working-at-heights training came into effect: study

In 2015, the Ontario government implemented a working-at-heights (WAH) training standard to ramp up fall prevention efforts. An IWH study team has now gathered two additional years of data on the effectiveness of this training requirement—both on work practices and injury rates.
Published: November 3, 2023
Journal of Commerce logo
IWH in the media

SCSA uses survey tool to help companies prevent incidents before they happen

An innovative new survey tool is being used by the Saskatchewan Construction Safety Association (SCSA) to help companies identify hazards and prompt them to take steps to reduce injury risks, reports Grant Cameron. The tool was developed by the SCSA in collaboration with EHS Analytics, a Calgary-based company that specializes in health and safety data, research and machine learning. The survey is an eight-item questionnaire developed by the Institute for Work & Health (IWH) and Ontario’s prevention systems partners to assess values and beliefs around a company’s workplace culture. Data collected can be used to help identify where improvements need to be made.
Published: Journal of Commerce, October 2024
Journal article
Journal article

Evaluation of the Ontario mandatory working-at-heights training requirement in construction, 2012 - 2019

Published: American Journal of Public Health, January 2024
Roofers Tied Off with Nail Gunbooth IHSA
Impact case study

IWH evaluation of the effectiveness of the Ontario working-at-heights training standard

An IWH study on the effectiveness of Ontario's mandatory training was helpful to the labour ministry in several ways—including in reinforcing the value of program evaluations.
Published: November 2023
On-Site logo
IWH in the media

Study shows worker injuries due to falls from heights declined after Ontario made training standardized and mandatory

Among recent organized efforts to make jobsites safer, working-at-heights training has been effective, reports an Institute for Work & Health (IWH) study. As Adam Freill reports, in the three-year period after Ontario made working-at-heights training in the construction sector standardized and mandatory, study authors explain that the rate of fall-from-height injuries leading to time off work fell by 19 per cent.
Published: On-Site Magazine, November 2023
A residential home in mid-build is surrounded by scaffolding
At Work article

Safer work practices, lower injury rates maintained two years after Ontario’s working-at-heights training came into effect: study

In 2015, the Ontario government implemented a working-at-heights (WAH) training standard to ramp up fall prevention efforts. An IWH study team has now gathered two additional years of data on the effectiveness of this training requirement—both on work practices and injury rates.
Published: November 2023
Workers Health & Safety Centre logo
IWH in the media

Standardized working at heights training improves safety, study

A follow-up study looking at the impact of Ontario’s mandated working at heights training confirms standardized training results in safer work.
Published: Workers Health & Safety Centre, January 2023
IWH Speaker Series
IWH Speaker Series

Preventing falls from heights in construction: a long-term evaluation of Ontario's working-at-heights training standard

In 2015, the province of Ontario implemented a working-at-heights (WAH) training standard requiring most construction workers to take a specific day-long training in fall prevention. A 2019 study conducted by the Institute for Work & Health found the training had positive impact on construction workers' safety knowledge, work practices and injury rates. In this presentation, Dr. Lynda Robson shares new findings on the longer-term impact of the training, drawing on two additional years of follow-up data.
Published: December 2022
Journal article
Daily Commercial News logo
IWH in the media

Inquest witness pressed on Working at Heights training outcomes

Testimony from a senior Ministry of Labour, Training and Skills Development (MOL) policy manager on day three of Ontario’s swing stage inquest Feb. 2 revealed the ministry may be recommending changes to Working at Heights (WAH) training as soon as April. Don Wall reports.
Published: Daily Commercial News, February 2022