Table 1.
Characteristics of participants.
| Total | Euhydration status | Middle hydration | Hypo hydration | χ 2 | P | |
|---|---|---|---|---|---|---|
| n = 109 | n = 17 | n = 45 | n = 47 | |||
| Age (y) | 21.0 (1.0) | 21.0 (1.0) | 21.0 (1.0) | 20.0 (1.0) | 7.141 | 0.028∗ |
| Height (cm) | 178.7 (6.8) | 182.1 (9.1) | 178.7 (5.8) | 178.3 (6.1) | 3.056 | 0.217 |
| Weight (kg) | 69.7 (9.5) | 69.2 (9.7) | 69.7 (10.2) | 69.7 (9.1) | 0.592 | 0.744 |
| BMI (kg/m2) | 22.0 (2.4) | 21.1 (2.9) | 22.2 (2.7) | 22.3 (2.2) | 3.723 | 0.155 |
| Skeletal muscle (kg) | 34.7 (4.2) | 34.3 (4.3) | 34.7 (5.3) | 35.1 (3.5) | 1.294 | 0.524 |
| Body fat (k) | 9.1 (4.9) | 10.3 (5.7) | 8.9 (6.9) | 9.3 (3.8) | 0.241 | 0.886 |
| Percentage of body fat (%) | 12.8 (5.9) | 15.2 (6.1) | 12.7 (7.9) | 12.6 (4.2) | 0.583 | 0.747 |
| Waistline (cm) | 75.4 (6.5) | 75.4 (5.8) | 74.9 (6.6) | 75.5 (6.7) | 0.267 | 0.875 |
| Physical activity (kcal/w) | 5843 (5699) | 6539 (6489) | 5724 (5716) | 5869 (6119) | 0.229 | 0.892 |
Values are shown as the median (interquartile). Kruskal–Wallis test was used to analyze the discrepancy of these indexes among participants in different hydration status. ∗, statistically significant differences, P < 0.05.