Table 1. Baseline characteristics of participants and covariates, by group.

	Inward-sloped (n = 54)	Straight-sided (n = 54)	Outward-sloped (n = 54)	Total sample (N = 162)
Female (n)	27	27	27	81
Age	23.0 (5.05)	24.2 (7.14)	24.7 (7.70)	24.0 (6.72)
Thirst (1–10)	6.09 (1.40)	5.83 (1.69)	6.20 (1.48)	6.04 (1.53)
Maximum daily temperature (o C)	19.6 (3.64)	20.4 (3.90)	20.2 (4.00)	20.1 (3.84)
Time of day (hours after midday)	1.43 (3.17)	1.50 (2.54)	1.26 (2.89)	1.40 (2.86)

Note. Values given are mean (SD).