Model 2	Swimmer’s session mean 50 m swim time (as % of personal best time)
211	(−62 to 485)	Constant
<0.001	(–0.004 to 0.006)	Volume of sports drink
0.006	(0.000 to 0.013)	Volume of water
−0.004	(−0.006 to −0.001)	Session training distance
0.222	(–0.422 to 0.876)	Increase in thirst
0.248	(−0.659 to 1.156)	Increase in tiredness
0.015	(−1.058 to 1.088)	Dehydration (%)
2.607	(0.908 to 4.305)	Swimmer’s session coefficient of variation for times
−2.739	(−12.112 to 6.635)	Pool temperature
0.002	(−0.225 to 0.229)	Study duration (weeks)