Table 3

ORs for potential knee injury risk factors

Univariate analysisOR95% CIP value
Categorical variables
 Basketball1
 Floorball1.530.69 to 3.410.30
 Female1
 Male0.690.31 to 1.520.36
 Age, intermediate (mean±SD)1
 Age, low (<1 SD below mean,<13.9 years)1.360.43 to 4.260.60
 Age, high (>1 SD above mean,>17.5 years)2.220.89 to 5.530.09*
 Height, intermediate (mean±SD)1
 Height, low (<1 SD below mean,<164.2 cm)1.170.42 to 3.280.76
 Height, high (>1 SD above mean,>182.4 cm)0.810.27 to 2.500.72
 Weight, intermediate (mean±SD)1
 Weight, low (<1 SD below mean,<54.7 kg)0.880.26 to 3.030.85
 Weight, high (>1 SD above mean,>74.6 kg)0.770.25 to 2.310.64
 BMI, intermediate (mean±SD)1
 BMI, low (<1 SD below mean,<19.0)0.920.27 to 3.090.89
 BMI, high (>1 SD above mean,>23.9)1.140.42 to 3.120.80
 FPKPA, intermediate (mean±SD)1
 FPKPA, low (<1 SD below mean,<2.7°)0.760.20 to 2.820.68
 FPKPA, high (>1 SD above mean,>23.8°)1.490.56 to 3.980.42
 Training exposure, intermediate (mean±SD)1
 Training exposure, low (<1 SD below mean,<162.4 hours)1.430.54 to 3.770.48
 Training exposure. high (>1 SD above mean,>346.0 hours)0.580.13 to 2.720.49
 Match exposure, intermediate (mean±SD)1
 Match exposure, low (<1 SD below mean,<3.9 hours)1.120.36 to 3.490.84
 Match exposure, high (>1 SD above mean,>15 hours)0.820.27 to 2.570.74
 Match and training exposure, intermediate (mean±SD)1
 Match and training exposure, low (<1 SD below mean,<169.6 hours)1.220.44 to 3.420.70
 Match and training exposure. high (>1 SD above mean,>357.7 hours)0.570.12 to 2.630.47
Continuous variables
 Age (years)1.120.90 to 1.390.32
 Height (cm)0.990.95 to 1.040.81
 Weight (kg)1.000.96 to 1.040.98
 BMI (kg/m2)1.020.87 to 1.190.79
 FPKPA (°)1.010.97 to 1.050.59
 Training exposure (hour)1.000.99 to 1.000.35
 Match exposure (hour)1.010.94 to 1.080.86
 Match and training exposure (hour)1.000.99 to 1.000.36

  • *Only one variable achieved P<0.20; therefore, no multivariate analysis was performed.

  • BMI, body mass index; FPKPA, frontal plane knee projection angle.