Table 3

Differences in well-being and training load on days with and without an injury in adolescent female soccer players

No injuryInjuryp ValueCohen's d
Well-being*
 Fatigue0.88 (0.29)0.81 (0.23)0.0710.25
 Mood1.26 (0.21)1.16 (0.17)0.0050.50
 Stress0.78 (0.32)0.76 (0.28)0.950.05
 Soreness0.79 (0.38)0.71 (0.40)0.300.19
 Sleep quality0.99 (0.33)0.98 (0.26)0.600.05
 Sleep hours8.0 (0.65)7.97 (0.52)0.640.06
Training load
 Daily440 (158)517 (138)0.010−0.50
 Prior day443 (157)505 (151)0.07−0.40
 Weekly3152 (331)3234 (286)0.15−0.25
 Monthly12 591 (421)12 567 (406)0.630.059
 Acute:chronic†0.99 (0.09)1.03 (0.08)0.11−0.40
  • Data presented as mean (SD).

  • *Well-being measures presented as the daily average for the entire group; scores range from −3 (worst) to +3 (best).

  • †Acute:chronic workload ratio defined as the ratio of the average of the preceding 7 days over the average of the preceding 28 days.