Table 3.

Multiple linear regression with stepwise backward elimination to predict training variables influencing injury severity index.

Predictor variable	B	SE B	β	T	p
Gender [male, female]	−1.107	0.511	−0.215	−2.167	0.035
Duration of endurance running [min/week]	−0.030	0.014	−0.381	−2.183	0.034
Frequency of endurance running [TS/week]	2.708	0.679	0.789	3.985	<0.001
Frequency of HIIT [TS/week]	−5.555	1.425	−0.464	−3.898	<0.001
Duration of complementary endurance [min/week]	0.016	0.005	0.373	3.290	0.002
Duration of regeneration [min/week]	0.048	0.020	0.297	2.376	0.022
Monotony in total duration [index]	1.305	0.436	0.297	2.993	0.004
Constant	−2.910	2.165		−1.344	0.185

Note. TS = training sessions; HIIT = high-intensity interval training.