Table 6

 Risk factors for the most common injury types in the Cox proportional hazard regression model using each limb as unit of analysis (n  =  394)

n*Univariate analysis†Multivariate analysis
Hazard ratio95% CIp ValueHazard ratio95% CIp Value
*Number of previously injured limbs.
†Only variables p<0.20 in the univariate analysis presented.
‡Accurate injury history available for 383 limbs.
¶Relative risk for 1 measured unit increase (continuous variables).
Hamstring injury‡
    Previous injury553.21.8 to 6.0<0.0013.51.9 to 6.5<0.0001
    Age (years)¶1.11.0 to 1.20.0211.11.0 to 1.20.011
Groin injury
    Previous injury482.41.2 to 4.6<0.01
Knee joint trauma
    Previous injury283.11.3 to 7.60.0113.11.3 to 7.60.011
    Height (cm)¶1.051.0 to to 1.10.13
Ankle sprain
    Previous injury242.80.8 to 9.60.0993.00.9 to 10.40.079
    Age (years)¶0.90.8 to to 1.00.061
    Height (cm)¶1.11.0 to to 1.10.89
    Weight (kg)¶1.11.0 to 1.20.0911.11.0 to 1.20.19