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
OHS Canada logo
IWH in the media

Hand in hand

The debate on the role of unions in influencing workplace safety is as old as unions are. Organized labour, by serving as employee advocates, may have a positive influence on job safety after all, according to a recent Institute for Work & Health (IWH) study.
Published: OHS Canada, November 2015
Daily Commercial News logo
IWH in the media

Unionized firms are safer, concludes OCS-funded study

A new study analyzing injury claims data for 5,800 unionized firms and 39,000 non-unionized firms suggests unionized construction firms in Ontario are safer than non-union firms.
Published: Daily Commmercial News, September 2015
The Toronto Star logo
IWH in the media

Unions keep construction workers safer, study shows

A new landmark study of Ontario construction firms shows unionized shops report far fewer serious injuries than non-unionized companies.
Published: The Toronto Star, September 2015