Table 1.
Median and interquartile range of the screening tests in the investigated sample
| Parameters | Median ± interquartile range |
|---|---|
| BDI-II (total score) | 3.0 ± 6.0 |
| Level of education (years) | 15.6 ± 2.4 |
| PSQI (total score) | 4.0 ± 2.0 |
| BSA (min per week) | PA: 236.5 ± 255.0/PE:292.5 ± 350.5 |
| TMT A (s) | 19.4 ± 6.3 |
| TMT B (s) | 42.9 ± 14.4 |
| TMT B-A (s) | 22.9 ± 11.4 |
| EHI (total score) | 83.3 ± 17.3 |
| Mean heart rate during ST (bpm) | 71.8 ± 20.2 |
| LF/HF ratio | 1.43 ± 1.51 |
| Left/Right AHS (kg) | 38.9 ± 26.2/44.1 ± 22.7 |
| Left/Right NHS (A.U.) | 1.67 ± 0.87/1.87 ± 0.78 |
| Reaction time in ST (s) | 0.94 ± 0.37 |
| Correct answers in ST (%) | 87.5 ± 12.5 |
AHS absolute handgrip strength, A.U. arbitrary unit, BDI-II Becks Depression Inventory II (a score of 13 and higher indicates depression [102, 103]), bpm beats per minute, BSA physical activity questionnaire, derived from German ‘Bewegungs- und Sportaktivitätsfragebogen’ (The World Health Organization recommends, at least, 150 min of moderate-intensity physical activity in a week for substantial health benefits [104]), EHI Edinburgh Handedness Inventory (a score of 50 and higher indicates right-handedness [40]), LF/HF ratio low-frequency/high-frequency ratio, kg kilogram, min minutes, NHS normalized handgrip strength (normalized to body-mass-index), PA physical activity, PE physical exercise, s seconds, PSQI Pittsburgh Sleep Quality Index (a score of 6 and higher indicates insomnia [105]), ST Sternberg task, TMT Trail Making Test