Table 2

  Incidence of injury (95% confidence interval) per 1000 hours of participation in sports and relative risk (RR) by injury severity variables and allocated group

Ankle sprainInterventionControlRR*
Self reported1.86 (1.37 to 2.34)2.90 (2.30 to 3.50)0.63 (0.45 to 0.88)
Time loss0.65 (0.38 to 0.92)1.17 (0.82 to 1.52)0.53 (0.32 to 0.88)
Leading to costs0.29 (0.11 to 0.47)1.08 (0.74 to 1.42)0.25 (0.12 to 0.50)

*Derived from Cox regression adjusted for age, type of sport, and level of sports.