2020 allowed lost-time claims by leading nature of injury

Over the past 10 years, sprains and strains have been the leading nature of injury and made up 38 per cent of lost-time claims in 2020, compared to 44 per cent in 2019. 

Women employed in Schedule 2 businesses had the highest percentage of lost-time claims in three of the five leading nature of injury categories in 2020.  These types of injuries were most common in women between the ages of 45 and 59.  Police officers and firefighters had the highest percentage of lost-time claims among all occupations in the five leading nature of injury categories.

5.3 - 2020 Leading injury nature characteristics 

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Leading Age Group Leading Gender Leading Occupation Leading Injury Event Leading Source Leading Part of Body
Sprains and strains 50-54 Male Other technical occupations in health care (except dental) Overexertion Persons (bodily motion or condition) Lower back (lumbar, sacral, coccygeal regions)
Mental disorders or syndromes 35-39 Male Police officers and firefighters Exposure to harmful substances or environments, unspecified, NEC Persons (bodily motion or condition) Body systems
COVID-19 Novel Coronavirus 45-49 Female Assisting occupations in support of health services Exposure to caustic, noxious, or allergenic substances Infectious and parasitic agents Body systems
Concussion 45-49 Female Secondary and elementary school teachers & counsellors Assaults, violent acts, harassment and acts of war or terrorism Structures (including walkways, floors and buildings) Cranial region, including skull
Bruises, contusions 55-59 Female Childcare and home support workers Fall on same level Structures (including walkways, floors and buildings) Multiple body parts
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Data in By the Numbers: 2020 WSIB Statistical Report may not match previously published results. This is due to factors such as data maturity, updated definitions and methodologies, and rounding. Data in By the Numbers is matured three months, with the exception of benefit payments, which represents cash paid during the year, to or on behalf of people injured at work and are not matured three months following year-end. Percentages may not add up due to rounding.