Total number of injuries and per clustered injury location with differences between the intervention group and control group (n=4050)
| Total | Intervention group | Control group | Crude difference | Adjusted odds ratio*† | Adjusted risk ratio* | |
| n (%) | n (%) | n (%) | % (95% CI) | (95% CI) | (95% CI) | |
| Primary outcome | ||||||
| Newly reported RRI during follow-up (yes) | 1436 (35.5) | 719 (35.5) | 717 (35.4) | 0.2 (−2.8 to 3.2) | 1.03 (0.90 to 1.17) | 1.02 (0.94 to 1.11) |
| Secondary outcome: injury location | ||||||
| Lower back | 170 (4.2) | 86 (4.3) | 84 (4.1) | 0.1 (−1.2 to 1.4) | 1.02 (0.75 to 1.39) | 1.02 (0.76 to 1.37) |
| Hip/groin | 247 (6.1) | 128 (6.3) | 119 (5.9) | 0.5 (−1.1 to 2.0) | 1.10 (0.85 to 1.43) | 1.09 (0.86 to 1.39) |
| Upper leg/knee | 637 (15.7) | 314 (15.5) | 323 (15.9) | −0.4 (−1.9 to 2.7) | 0.99 (0.84 to 1.18) | 1.00 (0.87 to 1.15) |
| Lower leg | 597 (14.7) | 304 (15.0) | 293 (14.5) | 0.6 (−1.7 to 2.8) | 1.06 (0.89 to 1.26) | 1.05 (0.91 to 1.22) |
| Foot/toe | 243 (6.0) | 120 (5.9) | 123 (6.1) | −0.1 (−1.4 to 1.6) | 0.98 (0.75 to 1.27) | 0.98 (0.77 to 1.25) |
*Adjusted for the variables age, BMI, RRI in previous 12 months and reported RRI at baseline.
†Control group is reference.
BMI, body mass index; RRI, running-related injury.