Table 1 Characterization of the sample stratified by sexes and working memory performance

Age (years)

15.01 (14.54–15.19)

14.96 (14.54–15.42)

0.822

14.82 (14.09–15.99)

15.05 (14.55–15.47)

0.587

Body Mass (Kg)

55.9 (53.0–67.65)

55.25 (50.92–65.95)

0.455

64.80 (53.15–82.35)

59.6 (54.75–69.8)

0.232

Height (cm)

161.5 (156.85–169.55)

163.55 (158.12–168.52)

0.728

172.4 (164.5–176.15)

171.7 (167.7–175.65)

0.764

BMI (Kg/m²)

21.85 (20.29–25.56)

21.15 (19.09–24.97)

0.351

22.13 (17.55–27.47)

20.35 (18.20–22.70)

0.210

∑ skinfold (mm)

42 (32.50–59.5)

39.75 (31.0–54.5)

0.441

37.0 (18.25–51.0)

26.0 (19.0–37.75)

0.278

Vo_2max(ml.kg^− 1.min^− 1)

35.71 (33.19–39.60)

40.01 (34.19–42.82)

0.023

47.39 (39.38–52.52)

50.09 (46.79–54.28)

0.037

Corsi Blocks

Block Span

Total Score

5 (5–5)

35 (27.5–35)

6 (5–7)

54.0 (40–70)

< 0.001

< 0.001

5 (5–5)

35 (30–35)

6 (6–7)

54 (45–70)

< 0.001

< 0.001