Table 1

Inter-rater reliabilities for naïve and expert raters reviewing 25 events

	Expert raters		Naïve raters
	TPA	κ	TPA	κ
Event
Scenario	1.00	1.00	0.96	0.47
Initial Contact With	0.96	0.88	0.84	0.81
Region	0.88	0.61	0.88	0.75
Body Location	0.84	0.67	0.68	0.33
Acceleration of Head	0.56	0.31	0.52	0.35
Secondary Contact	0.80	0.68	0.64	0.56
Tertiary Contact	0.88	0.60	0.72	0.31
Game Situation
Zone	0.92	0.87	0.96	0.93
Ice Location	0.96	0.95	0.72	0.95
Game Situation	0.88	0.89	0.96	0.89
Puck Possession	0.80	0.60	0.80	0.61
Period	0.88	0.93	0.92	0.91
Penalty	0.88	0.81	0.76	0.47
Equipment
Mouthguard	0.88	0.60	0.72	0.23
Visor	0.96	0.93	0.96	0.93

TPA, total per cent agreement.