Table 3 Multiple linear regression analysis: Percentage of variation between training load parameters with maturity, DOMS and fatigue variables

AW

β0

821.5

1.384

0.18

-436.4 to 2079

R² = 0.072

Adjusted R² = -0.10

p = 0.74

AIC = 180.6

Fatigue

β1

-80.89

0.54

0.59

-397.9 to 236.1

DOMS

β2

149.6

0.85

0.40

-219.4 to 518.6

PHV (years)

β3

29.33

0.84

0.41

-44.69 to 103.4

CW

β0

1071

1.64

0.11

-308.6 to 2450

R² = 0.04

Adjusted R² = -0.13

p = 0.87

AIC = 184.3

Fatigue

β1

-105.5

0.64

0.52

-453.1 to 242.1

DOMS

β2

117.2

0.61

0.54

-287.5 to 521.8

PHV (years)

β3

15.60

0.40

0.68

-65.57 to 96.78

ACWLR

β0

2.02

2.14

0.04

0.02 to 4.03

R² = 0.06

Adjusted R² = -0.10

p = 0.75

AIC = -76.99

Fatigue

β1

-0.051

0.21

0.83

-0.55 to 0.45

DOMS

β2

-0.12

0.45

0.65

-0.71 to 0.46

PHV (years)

β3

-0.06

1.08

0.29

-0.1783 to 0.05799

TM

β0

1.19

1.30

0.21

-0.75 to 3.15

R² = 0.24

Adjusted R² = 0.10

p = 0.20

AIC = -76.60

Fatigue

β1

0.37

1.40

0.17

-0.18 to 0.93

DOMS

β2

-0.01

0.22

0.82

-0.13 to 0.10

PHV (years)

β3

-0.04

1.10

0.28

-0.13 to 0.04

TS

β0

2276

0.32

0.75

-12,629 to 17,180

R² = 0.18

Adjusted R² = 0.03

p = 0.33

AIC = 279.5

Fatigue

β1

-2175

1.22

0.23

-5932 to 1581

DOMS

β2

378.8

0.18

0.85

-3994 to 4751

PHV (years)

β3

430.1

1.04

0.31

-447.0 to 1307