Chronic conditions and work
Chronic conditions refer to diseases and health conditions that last a long time and generally progress slowly. Although they can occur at any age, they become more common later in life. They are often invisible, sometimes episodic (i.e. they come and go) and often characterized by fluctuating symptoms that leave people disabled one day and functional the next. Examples of chronic diseases include arthritis, diabetes, chronic pain, depression and fibromyalgia. IWH research in this area focuses on the effects of chronic disease on work participation and productivity, as well as the effectiveness of job accommodations, benefits and other programs to ensure workers with chronic disease can stay at, or return to, work.
Featured
Impact case study
Word spreads about IWH tools, thanks to stakeholders' support
Since the release of two tools designed to support the sustained employment of people with chronic and episodic conditions, word has spread quickly, thanks to organizations that promoted the tools and helped them reach the hands of workers, employers and post-secondary students.
Published: October 16, 2025
At Work article
IWH knowledge transfer and exchange approach a ‘perfect fit’ for episodic disabilities project
This article illustrates how a seven-year partnership project used IWH’s approach to KTE to develop and share usable outputs from the research findings.
Published: September 8, 2025
Journal article
Journal article
Combined associations of work and leisure time physical activity on incident diabetes risk
Published: American Journal of Preventive Medicine, March 2021
Journal article
Journal article
Disclosure, privacy and workplace accommodation of episodic disabilities: organizational perspectives on disability communication-support processes to sustain employment
Published: Journal of Occupational Rehabilitation, March 2021
Research Highlights
Is precarious work more prevalent for people with disabilities? The role of age and job tenure
Workers with disabilities are no more likely than those without to work in precarious jobs. However, some subsets of people with disabilities are more likely to work in precarious jobs—older people or people with shorter job tenure. Contrary to expectation, younger people with disabilities are not more likely than older people with disabilities to have precarious jobs. Among people with and without disabilities, having better health is linked to a lower likelihood of working in precarious jobs.
Published: February 2021
At Work article
People’s reasons for disclosing episodic disabilities linked to support they receive
Should people with an episodic disability disclose their condition at work? It's a complex decision. This new study looks at people's reasons for disclosing (or not) and explores whether they are linked to outcomes.
Published: February 2021
Journal article
Journal article
Occupational exposure and post-traumatic stress disorder: a rapid review
Published: Work, February 2021
Journal article
Journal article
Job strain, overweight, and diabetes: a 13-year prospective study among 12,896 men and women in Ontario
Published: Psychosomatic Medicine, February 2021
Journal article
Journal article
Does it matter what your reasons are when deciding to disclose (or not disclose) a disability at work? The association of workers' approach and avoidance goals with perceived positive and negative workplace outcomes
Published: Journal of Occupational Rehabilitation, February 2021
Journal article
Journal article
Online resources supporting workers with chronic episodic disabilities: an environmental scan
Published: International Journal of Workplace Health Management, January 2021
Journal article
Journal article
The working disadvantaged: the role of age, job tenure and disability in precarious work
Published: BMC Public Health, December 2020
IWH Speaker Series
IWH Speaker Series
Does it matter what workers’ reasons are for disclosing or not disclosing a disability at work? Why and how?
Deciding whether or not to disclose a disability to others at work is a complex consideration. People with many chronic mental and physical health conditions, often called episodic disabilities, experience times of relative wellness punctuated by intermittent periods of activity limitations. How do they decide whether or not to disclose their health conditions? In this presentation, Dr. Monique Gignac shares findings from her study examining participants' reasons and goals for disclosing—and whether these matter to work support outcomes.
Published: November 2020