Table 1 Sample characterisation over three years at two data collection times: baseline and follow-up

Age (years)

11.7 ± 0.6

14.9 ± 0.7*

3.2

11.6 ± 0.5

14.9 ± 0.5*

3.2

Body weight (kg)

46.1 ± 11.9

63.0 ± 13.9*

16.9

49.1 ± 13.3

61.1 ± 14.8*

12.0

Height (cm)

150.1 ± 7.0

170.8 ± 6.8*

20.7

153.4 ± 7.4

163.0 ± 7.1*

9.5

∑ skinfold (mm)

31.7 ± 16.6

30.7 ± 16.0

-0.9

34.7 ± 14.2

43.8 ± 15.4*

9.1

VO_2max (mL.kg⁻¹.min⁻¹)

46.5 ± 6.3

49.3 ± 5.5*

2.7

39.4 ± 5.3

37.9 ± 5.9*

-1.5

PHV (years)

-1.84 ± 0.6

1.0 ± 0.9*

2.8

-0.02 ± 0.6

2.3 ± 0.5*

2.2

Socioeconomic group

-

4.9 ± 0.9

-

4.5 ± 1.0

Mothers’ education degree

-

3.4 ± 1.6

-

3.3 ± 1.7

Stroop Test

 Congruent Accuracy (%)

-

97.9 ± 3.0

-

99.6 ± 0.96

 Incongruent Accuracy (%)

-

96.8 ± 7.0

-

95.5 ± 10.9

 Congruent Reaction Time (s)

-

0.85 ± 0.1

-

0.93 ± 0.1

 Incongruent Reaction Time (s)

-

0.9 ± 0.2

-

1.06 ± 0.2

 Inhibitory Control (%)

-

3.0 ± 6.6

-

4.3 ± 10.7

Corsi Blocks Test

 Block Span

-

6.0 ± 1.0

-

5.6 ± 1.1

 Total Score

-

54.7 ± 19.8

-

48.1 ± 19.5