Key result
Moving the professional rugby league season from winter to summer doubled the relative risk of player injury (150 injuries in 2490 player-hours vs 72 injuries in 2386 player-hours).
Why the study?
Does playing in the spring and summer season increase the risk of injury in professional rugby league players compared to the autumn and winter season?
Population
Professional rugby league players in one club
Comparison
Playing in the spring and summer season vs Playing in the autumn and winter season
Design
Cohort
Follow-up
9 seasons
Authors
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Season shift to summer associated with higher rugby injury rates; leaves open causality amid possible professionalism confounding.
Cohort
No
Does playing in the spring and summer season increase the risk of injury in professional rugby league players compared to the autumn and winter season?
Effect estimate: RR 2.0
Absolute Event Rate: 150% vs 72%
Moving the professional rugby league season to spring and summer was associated with a doubled risk of match play injuries, though confounding by increased professionalism cannot be excluded.
Gissane et al. (2003) conducted a cohort in Rugby league football injuries. Summer playing season vs. Winter playing season was evaluated on Player injury during match play (RR 2.0). Moving the professional rugby league season from winter to summer doubled the relative risk of player injury (150 injuries in 2490 player-hours vs 72 injuries in 2386 player-hours).
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