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Poster Presentations
324 Lifetime prevalence and one-year incidence of sport-related concussion in adolescents
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  1. Jocelyn McCallum1,2,3,
  2. Carolyn Emery1,2,3,4,5,6,7,
  3. Paul H Eliason1,2,3,
  4. Kathryn Schneider1,2,3,7,8,
  5. Amanda M Black1,2,3
  1. 1Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Canada
  2. 2Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada
  3. 3Alberta Children’s Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada
  4. 4Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Canada
  5. 5Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, Canada
  6. 6O’Brien Institute for Public Health, Cumming School of Medicine, University of Calgary, Calgary, Canada
  7. 7Sport Medicine Centre, University of Calgary, Calgary, Canada
  8. 8Evidence Sport and Spinal Therapy, Calgary, Canada

Abstract

Background Understanding the burden of concussion among youth is important to quantify the effectiveness of community-based concussion prevention strategies.

Objective To determine the lifetime prevalence and one-year incidence of sport-related concussion among male and female high school students (ages 14–19 years) in Alberta, Canada.

Design Cross-sectional survey.

Setting High schools (Alberta, Canada).

Participants High school students (n=2029; 958 male, 1048 female, 23 identified as ‘other’; ages 14–19 years) from 24 schools.

Assessment of Risk Factors High school students completed a web-based survey during class (October 2018 – March 2019). Students identified the top three sports for participation in the past year.

Main Outcome Measurements Self-reported lifetime prevalence and one-year incidence of sport-related concussion were described by sex and sport with 95% confidence intervals (CI) adjusted for cluster by school.

Results Most high school students (1763/2029, 86.69%) reported participating in a sport/recreational activity in the past year. Of the 1,971 students (97.14%) answering the question about lifetime concussion history, 264/923 males [28.60% (95% CI, 21.97–36.31)], 227/1027 females [22.10% (95% CI, 17.96–26.89)], and 3/21 ‘other’ students [14.29% (95% CI, 2.22–55.05)] reported one concussion or more. 131/923 males [14.19% (95% CI, 10.28–19.27)], 99/1027 females [9.64% (95% CI, 7.49–12.33)], and 1/21 ‘other’ students [4.76% (95% CI, 0.46–35.28)] reported at least one concussion in the past year. For males, hockey [32/186, [Incidence Proportion(IP):17.20/100 students/year (95% CI, 12.48–23.23)], lacrosse [4/29, IP: 13.79/100 students/year (95% CI, 5.27–31.52)], and rugby [8/61, IP: 13.11/100 students/year (95% CI, 6.02–26.24)] had the highest rates of concussion. For females, ringette [4/21, IP: 19.05/100 students/year (95% CI, 9.92–33.46)], rugby [9/58, IP: 15.52/100 students/year (95% CI, 8.04–27.84)], and wrestling [3/25, IP: 12.00/100 students/year (95% CI, 3.68–32.76)] had the highest rates.

Conclusions 1 in 4 high school students report one or more sport-related concussions in their lifetime, and 1 in 9 students reported one or more concussions in the past year. Prevention strategies aimed at reducing concussion burden are crucial.

http://dx.doi.org/10.1136/bjsports-2021-IOC.296

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