Table 1.
ORs for potential lower extremity injury risk factors among young athletes
| OR | 95% CI | P value | |
| Univariate analysis | |||
| Categorical variables | |||
| Basketball | 1 | ||
| Floorball | 0.97 | 0.52 to 1.79 | 0.92 |
| Female | 1 | ||
| Male | 1.08 | 0.58 to 1.99 | 0.81 |
| Age, intermediate (mean±SD) | 1 | ||
| Age, low (<1 SD below mean,<13.9 years) | 1.58 | 0.72 to 3.50 | 0.26 |
| Age, high (>1 SD above mean,>17.5 years) | 1.35 | 0.55 to 3.35 | 0.51 |
| Height, intermediate (mean±SD) | 1 | ||
| Height, low (<1 SD below mean,<164.2 cm) | 0.81 | 0.35 to 1.87 | 0.62 |
| Height, high (>1 SD above mean,>182.4 cm) | 0.91 | 0.37 to 2.22 | 0.83 |
| Weight, intermediate (mean±SD) | 1 | ||
| Weight, low (<1 SD below mean,<54.7 kg) | 0.71 | 0.28 to 1.79 | 0.46 |
| Weight, high (>1 SD above mean,>74.6 kg) | 0.51 | 0.17 to 1.50 | 0.22 |
| BMI, intermediate (mean±SD) | 1 | ||
| BMI, low (<1 SD below mean,<19.0) | 0.99 | 0.42 to 2.30 | 0.97 |
| BMI, high (>1 SD above mean,>23.9) | 1.14 | 0.49 to 2.69 | 0.76 |
| FPKPA, intermediate (mean±SD) | 1 | ||
| FPKPA, low (<1 SD below mean,<2.7°) | 1.12 | 0.43 to 2.90 | 0.82 |
| FPKPA, high (>1 SD above mean,>23.8°) | 2.55 | 1.18 to 5.51 | 0.02* |
| Training exposure, intermediate (mean±SD) | 1 | ||
| Training exposure, low (<1 SD below mean,<162.4 hours) | 1.33 | 0.58 to 3.02 | 0.50 |
| Training exposure. high (>1 SD above mean,>346.0 hours) | 0.83 | 0.30 to 2.28 | 0.71 |
| Match exposure, intermediate (mean±SD) | 1 | ||
| Match exposure, low (<1 SD below mean,<3.9 hours) | 0.44 | 0.13 to 1.49 | 0.19* |
| Match exposure, high (>1 SD above mean,>15 hours) | 0.69 | 0.29 to 1.65 | 0.41 |
| Match and training exposure, intermediate (mean±SD) | 1 | ||
| Match and training exposure, low (<1 SD below mean,<169.6 hours) | 1.19 | 0.51 to 2.78 | 0.70 |
| Match and training exposure. high (>1 SD above mean,>357.7 hours) | 0.81 | 0.29 to 2.23 | 0.68 |
| Continuous variables | |||
| Age (years) | 1.04 | 0.87 to 1.24 | 0.67 |
| Height (cm) | 1.00 | 0.97 to 1.04 | 0.85 |
| Weight (kg) | 1.00 | 0.97 to 1.04 | 0.86 |
| BMI (kg/m2) | 1.01 | 0.90 to 1.14 | 0.87 |
| FPKPA (°) | 1.01 | 0.98 to 1.05 | 0.38 |
| Training exposure (hour) | 1.00 | 1.00 to 1.00 | 0.95 |
| Match exposure (hour) | 0.99 | 0.94 to 1.05 | 0.82 |
| Match and training exposure (hour) | 1.00 | 1.00 to 1.00 | 0.94 |
| Multivariate analysis | |||
| FPKPA>1 SD above mean (>23.8) | 2.67 | 1.23 to 5.83 | 0.01† |
All variables are presented for the univariate analysis, but only variables with a P value<0.05 are presented for the multivariate analysis.
*Variables achieving P<0.20 in the univariate analysis were entered into the multivariate model.
†Only variables achieving P<0.05 in the multivariate model are presented.
BMI, body mass index; FPKPA, frontal plane knee projection angle.