Table 2

Descriptive statistics for match and training injuries across the control and intervention cohorts

		Intervention (n=17 schools, 44 teams)	Control (n=14 schools, 39 teams)	Rate ratio (90% CL)	p Value
Exposure-hours	Match	9083	6855	–	–
	Training	28 263	25 520	–	–
Injuries	Match	233	208	–	–
	Training	58	54	–	–
Days lost to injury	Match	6499	5907	–	–
	Training	1028	1150	–	–
Overall match	Incidence	26 (23–29)	30 (27–34)	0.85 (0.61–1.17)	0.40
	Burden	715 (701–730)	862 (844–880)	0.83 (0.58–1.18)	0.38
Overall training	Incidence	2 (2–3)	2 (2–3)	0.97 (0.52–1.81)	0.94
	Burden	36 (34–38)	45 (43–48)	0.80 (0.40–1.60)	0.60
Match injury by location
Head/neck	Incidence	9 (7–11)	13 (10–15)	0.72 (0.51–1.01)	0.11
	Burden	260 (252–269)	285 (274–296)	0.91 (0.55–1.51)	0.77
Upper limb	Incidence	7 (6–9)	9 (7–11)	0.82 (0.51–1.31)	0.48
	Burden	229 (221–238)	345 (333–356)	0.66 (0.40–1.10)	0.18
Trunk	Incidence	2 (1–3)	2 (1–3)	0.90 (0.47–1.71)	0.78
	Burden	36 (32–39)	43 (38–47)	0.84 (0.35–2.01)	0.74
Lower limb	Incidence	7 (6–9)	7 (5–8)	1.10 (0.7–1.72)	0.73
	Burden	190 (182–197)	189 (181–198)	1.00 (0.52–1.93)	1.00
Match injury by event
Contact	Incidence	22 (20–25)	27 (23–30)	0.85 (0.60–1.19)	0.42
	Burden	607 (594–621)	689 (673–706)	0.88 (0.60–1.29)	0.59
Non-contact	Incidence	2 (1–3)	2 (1–3)	0.94 (0.50–1.77)	0.88
	Burden	77 (72–81)	121 (114–128)	0.63 (0.25–1.64)	0.43

Incidence values presented as injuries/1000 hours. Burden values presented as days lost/1000 hours.
CL, confidence limits.