Table 2 Bivariate correlations between all study variables

Mean (SD)

Age 8

Age 10

Age 6

Age 8

Age 10

Age 6

Age 8

Age 10

Age 6

Age 8

Age 10

Body fat (kg) Age 6

4.38 (1.27)

0.82

0.74

0.65

0.64

0.62

0.31

0.35

0.36

−0.32

−0.30

−0.34

Body fat (kg) Age 8

5.32 (2.05)

0.88

0.58

0.61

0.62

0.27

0.37

0.38

−0.23

−0.31

−0.34

Body fat (kg) Age 10

6.97 (3.76)

0.54

0.54

0.64

0.21

0.29

0.38

−0.18

−0.23

−0.28

Muscles (kg) Age 6

17.98 (2.00)

0.87

0.82

0.21

0.27

0.23

−0.36

−0.35

−0.36

Muscles (kg) Age 8

23.47 (2.77)

0.86

0.21

0.29

0.27

−0.31

−0.34

−0.36

Muscles (kg) Age 10

38.47 (3.68)

0.18

0.27

0.29

−0.25

−0.27

-0.35

FR Age 6

1.90 (0.47)

0.65

0.61

−0.19

−0.19

-0.19

FR Age 8

1.87 (0.48)

0.68

−0.15

−0.23

-0.20

FR Age 10

1.89 (0.52)

−0.15

−0.24

-0.23

SR Age 6

2.92 (0.50)

0.63

0.57

SR Age 8

2.80 (0.53)

0.67

SR Age 10

2.75 (0.56)