TABLE 1.

Estimated differences between teams for the examined metrics on all training days. CI: confidence interval; ES: effect size

		First-team / U-18 estimated difference (95% CI)	p value	ES
Total Distance (m)	MD-4	-435 (-696 to -173)	< 0.001	1.08
	MD-3	+279 (+27 to +532)	0.018	0.70
	MD-2	-590 (-842 to -339)	< 0.001	1.47
	MD-1	-235 (-467 to -4)	0.043	0.59
High-intensity distance (m)	MD-4	-7 (-30 to +15)	0.976	0.33
	MD-3	49 (28 to +71)	< 0.001	2.23
	MD-2	-6 (-27 to +16)	0.993	0.26
	MD-1	-3 (-23 to +17)	1.000	0.14
Sprint distance (m)	MD-4	+5 (0 to +11)	0.047	1.00
	MD-3	+15 (+10 to +20)	< 0.001	2.84
	MD-2	+4 (-1 to +9)	0.279	0.73
	MD-1	+2 (-3 to +7)	0.885	0.38
Explosive distance (m)	MD-4	-36 (-84 to +11)	0.278	0.42
	MD-3	+5 (-41 to +52)	1.000	0.06
	MD-2	-58 (-104 to -12)	0.004	0.66
	MD-1	-29 (-72 to +14)	0.431	0.34
Number of accelerations	MD-4	-5 (-10 to 0)	0.103	0.47
	MD-3	-9 (-14 to -4)	< 0.001	0.91
	MD-2	-6 (-11 to -1)	0.006	0.61
	MD-1	-4 (-8 to +1)	0.305	0.35
Number of decelerations	MD-4	-6 (-11 to -1)	0.003	0.56
	MD-3	-2 (-7 to +2)	0.821	0.21
	MD-2	-4 (-9 to +1)	0.171	0.36
	MD-1	-1 (-6 to +3)	0.992	0.11