Table 1 Baseline characteristics of the participants.
Intervention group (n = 22) | Control group (n = 27) | p value | |
|---|---|---|---|
Chronological age, years | 11.8 ± 0.4 | 11.6 ± 0.5 | 0.144 |
Female | 10 (45.5%) | 16 (59.3%) | 0.336 |
Caucasian | 21 (95.5%) | 26 (96.3%) | 0.856 |
Peak height velocity, years | − 1.05 ± 1.15 | − 0.93 ± 1.05 | 0.704 |
Body mass index, kg/m2 | 19.7 ± 3.0 | 18.9 ± 3.4 | 0.154 |
Academic achievement, total score | 26.5 ± 5.0 | 27.0 ± 4.5 | 0.717 |
Corsi block test | |||
Span, level | 5.4 ± 1.0 | 5.3 ± 0.6 | 0.775 |
Total score | 44.4 ± 15.2 | 40.6 ± 9.6 | 0.501 |
Stroop test | |||
Congruent phase | |||
Reaction time, ms | 1697.5 ± 230.0 | 1638.4 ± 186.0 | 0.325 |
Accuracy, % | 97.7 ± 3.8 | 98.8 ± 3.0 | 0.287 |
Neutral phase | |||
Reaction time, ms | 1781.1 ± 252.7 | 1768.9 ± 227.6 | 0.984 |
Accuracy, % | 98.5 ± 3.3 | 98.5 ± 4.0 | 0.802 |
Incongruent phase | |||
Reaction time, ms | 2114.2 ± 341.4 | 2184.2 ± 227.2 | 0.278 |
Accuracy, % | 94.7 ± 7.5 | 91.4 ± 14.3 | 0.608 |
d2 test | |||
Accuracy, % | 71.1 ± 29.1 | 63.7 ± 30.8 | 0.332 |
Raven matrices test | |||
Standard score, percentile | 75.8 ± 25.3 | 68.7 ± 25.4 | 0.412 |