Table 2

Summary of concussion and physical activity (PA) variables by age group, previous history of concussion (PHC) and competition level

Age groupPHC*Competition level†
Pee WeeBantamMidgetYesNoEliteNon-elite
Players (n)526436246387785336626
Concussions (n)23383240492437
Participation (hours)30 265.533 793.3332 102.8732 914.7861 415.2330 288.7733 770.06
Concussion IR/1000 participation hours (95% CI)0.76 (0.48 to 1.14)1.13 (0.80 to 1.54)1.00 (0.68 to 1.41)1.22 (0.87 to 1.66)0.80 (0.59 to 1.06)0.79 (0.51 to 1.18)1.10 (0.77 to 1.51)
Median time to medical clearance to return to play, days (IQR)21 (17–37)15.5 (10–27)15.5 (8.5–27)17 (11–30)16 (8–29)16 (11–30)20 (12–32)
Median PA volume, hours (IQR)54 (39–76)60 (34.75–84)72 (48–96)62 (42–84)60 (42–84)66.5 (48–90)51 (34–72)
Percentage meeting the PA volume recommendations (95% CI)73.76 (70.00 to 77.53)69.50 (65.16 to 77.53)84.15 (79.57 to 88.72)78.04 (73.09 to 82.17)75.29 (72.26 to 78.31)82.74 (78.69 to 86.79)65.97 (62.26 to 69.69)
  • *Thirty-six players who did not provide response and were excluded.

  • †Pee Wee and Bantam players only.