Table 1

Baseline characteristics comparing Pee Wee (11–12 years) hockey players in 2011–2012 and 2013–2014

InjuredNot injured
Baseline characteristics2011–2012
N=142
2013–2014
N=47
2011–2012
N=741
2013–2014
N=571
Sex, n (%)
 Male136(95.77)45(95.74)698(94.20)551(96.50)
 Female3(2.11)2(4.26)32(4.32)20(3.50)
 Missing data3(2.11)011(1.48)0
Height, mean (SD), cm151.43(8.70)151.25(9.07)152.14(9.10)151.67(8.43)
 Missing data, n (%)31(21.83)1(2.13)182(24.56)13(2.28)
Weight, mean (SD), kg42.82(8.44)42.08(9.15)43.38(8.99)42.34(9.03)
 Missing data, n (%)33(23.24)1(2.13)163(22.00)10(1.75)
Year of play, n (%)
 First88(61.97)24(51.06)364(49.12)308(53.94)
 Second53(37.32)23(48.94)370(49.93)263(46.06)
 Missing data1(0.70)07(0.94)0
Level of play, n (%)
 Elite (div 1–3, top 30%)51(35.92)14(29.79)243(32.79)183(32.05)
 Non-elite (div 4–12, lower 70%)91(64.08)33(70.21)498(67.21)386(67.60)
 Missing data0002(0.35)
Position, n (%)
 Forward81(57.04)29(61.70)399(53.85)314(54.99)
 Defence49(34.51)15(31.91)224(30.23)181(31.70)
 Goalie5(3.52)1(2.13)89(12.01)57(9.98)
 Missing data7(4.93)2(4.26)29(3.91)19(3.33)
Previous injury*, n (%)
 No114(80.28)35(74.47)641(86.50)461(80.74)
 Yes22(15.49)12(25.53)83(11.20)101(17.69)
 Missing data6(4.23)017(2.29)9(1.58)
Previous concussion, n (%)
 No88(61.97)28(59.57)605(81.65)396(69.35)
 Yes53(37.32)19(40.43)130(17.54)175(30.65)
 Missing data1(0.70)06(0.81)0
Attitude toward body checking total score, mean (SD) score/55 items†36.99(6.50)29.49(7.27)36.03(5.92)30.23(6.61)
 Missing data, n (%)11(7.75)4(8.51)45(6.07)69(12.08)
  • *Participants with previous injuries had a self-reported history of one or more injuries over the last year that required medical attention or resulted in time loss from activity. Previous concussions were not included in the measurement of previous injuries in this table.

  • †High scores on the body checking questionnaire suggest a stronger preference to body check.

  • div, division.