Illness/injury prevention

IWH has a long history of conducting research to provide practical guidance to employers, workers, OHS professionals and regulators about what works and what doesn’t in injury or illness prevention. This research targets the injury and illness prevention practices of workplaces, as well as the programs developed by governments, health and safety associations and others to support and motivate workplaces to adopt effective practices.

Featured

Graphic of workers in front of a conveyor belt wearing safety gear, a robot holds a clipboard.
At Work article

Differences in firm-level AI use for health and safety

To what extent are Canadian workplaces using artificial intelligence (AI) to help support workers’ health and safety? And what do these workplaces have in common? An IWH study surveyed firms across Ontario and British Columbia to find out.
Published: October 8, 2025
Illustrated concept of work team improving performance
Tools and guides

Breakthrough Change in OHS: Case study series

Each of four case studies tells the story of an Ontario organization that achieved firm-level, sustained improvement in health and safety performance. Each illustrates the factors critical to making large improvement in health and safety, based upon an evidence-based model of breakthrough change developed through Institute for Work & Health research.
Published: January 2014
Man stretches at computer work station
Impact case study

CAMH improves office ergonomics through IWH online training program

A piloted training program was so successful it's now offered to all staff at this hospital and research centre.
Published: November 2013
A helmeted worker sits on bench with laptop
Issue Briefing

Developing leading indicators of work injury and illness

Leading indicators have the potential to help identify factors affecting the risk of injury, allowing workplaces to address these factors before injuries occur. This Issue Briefing looks at efforts to date to identify OHS leading indicators and the challenges involved.
Published: October 2013
At Work article
At Work article

New Brunswick’s WorkSafeNB adopts IWH’s safety culture yardstick

Institute of Work & Health’s Organizational Performance Metric chosen after study shows firms’ scores on eight-item questionnaire correlate with claims rates
Published: July 2013
Project report
Project report

Assessment of the utility of WorkSafeNB's Internal Responsibility System Questionnaire and IWH's Organizational Performance Metric: public report

In 2010, WorkSafeNB asked the Institute for Work and Health (IWH) to assess its Internal Responsibility System Questionnaire (IRSQ), a survey tool it had developed to measure safety culture within an organization. As part of its assessment, IWH compared the IRSQ with another previously validated tool designed to measure leading indicators, called the IWH Organizational Performance Metric (IWH-OPM). This document reports on the assessment of these two tools.
Published: July 2013
At Work article
At Work article

Breakthrough change: Finding and describing firms that make large OHS improvements

What changes, why and who’s driving the change in firms that make large improvements in workplace health and safety? Possible answers are coming from the first phase of an ongoing study at the Institute for Work & Health that is exploring the process of “breakthrough change.”
Published: October 2012
Inspector goes over checklist at construction site
Issue Briefing

Effectiveness of targeted OHS labour inspections

This Issue Briefing takes a close look at the design and outcomes of three North American studies and how they inform our understanding of the effectiveness of targeted labour inspections on occupational health and safety (OHS) outcomes.
Published: September 2012
Journal article
Journal article

A systematic review of the effectiveness of occupational health and safety training

Published: Scandinavian Journal of Work, Environment and Health, January 2012