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Emery, Carolyn A; Eliason, Paul; Warriyar, Vineetha; Palacios-Derflingher, Luz; Black, Amanda Marie; Krolikowski, Maciek; Spencer, Nicole; Sick, Stacy; Kozak, Stacy; Schneider, Kathryn J; Babul, Shelina; Mrazik, Martin; Lebrun, Constance; Goulet, Claude; Macpherson, Alison; Hagel, Brent E

Body checking in non-elite adolescent ice hockey leagues: it is never too late for policy change aiming to protect the health of adolescents

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  • Media type: E-Article
  • Title: Body checking in non-elite adolescent ice hockey leagues: it is never too late for policy change aiming to protect the health of adolescents
  • Contributor: Emery, Carolyn A; Eliason, Paul; Warriyar, Vineetha; Palacios-Derflingher, Luz; Black, Amanda Marie; Krolikowski, Maciek; Spencer, Nicole; Sick, Stacy; Kozak, Stacy; Schneider, Kathryn J; Babul, Shelina; Mrazik, Martin; Lebrun, Constance; Goulet, Claude; Macpherson, Alison; Hagel, Brent E
  • Published: BMJ, 2022
  • Published in: British Journal of Sports Medicine, 56 (2022) 1, Seite 12-17
  • Language: English
  • DOI: 10.1136/bjsports-2020-103757
  • ISSN: 0306-3674; 1473-0480
  • Origination:
  • Footnote:
  • Description: ObjectivesThe objective of this study is to evaluate the effect of policy change disallowing body checking in adolescent ice hockey leagues (ages 15–17) on reducing rates of injury and concussion.MethodsThis is a prospective cohort study. Players 15–17 years-old were recruited from teams in non-elite divisions of play (lower 40%–70% by division of play depending on year and city of play in leagues where policy permits or prohibit body checking in Alberta and British Columbia, Canada (2015–18). A validated injury surveillance methodology supported baseline, exposure-hours and injury data collection. Any player with a suspected concussion was referred to a study physician. Primary outcomes include game-related injuries, game-related injuries (>7 days time loss), game-related concussions and game-related concussions (>10 days time loss).Results44 teams (453 player-seasons) from non-body checking and 52 teams (674 player-seasons) from body checking leagues participated. In body checking leagues there were 213 injuries (69 concussions) and in non-body checking leagues 40 injuries (18 concussions) during games. Based on multiple multilevel mixed-effects Poisson regression analyses, policy prohibiting body checking was associated with a lower rate of injury (incidence rate ratio (IRR): 0.38 (95% CI 0.24 to 0.6)) and concussion (IRR: 0.49; 95% CI 0.26 to 0.89). This translates to an absolute rate reduction of 7.82 injuries/1000 game-hours (95% CI 2.74 to 12.9) and the prevention of 7326 injuries (95% CI 2570 to 12083) in Canada annually.ConclusionsThe rate of injury was 62% lower (concussion 51% lower) in leagues not permitting body checking in non-elite 15–17 years old leagues highlighting the potential public health impact of policy prohibiting body checking in older adolescent ice hockey players.