| WS group | Water-supplementation group |
| NW group | No water-supplementation group |
| H | Height |
| W | Weight |
| WC | Waist circumference |
| BP | Blood pressure |
| BG | Blood glucose |
| UO | Urine osmolality |
| TMD | Total mood disturbance |
| POMS | Profile of mood states |
| CP | Cognitive performances |
| VAS | Visual analogue scales |