Table 2. Characteristics of firefighters in the CON and HOT conditions.

All data are reported as means ± SD.

	CON	HOT
n	18	18
Age (years)	39 ± 16	36 ± 13
Height (cm)	178 ± 8	178 ± 9
Weight (kg)	84.9 ± 17.8	88.0 ± 18.0
BMI (kg.m -2 )	26.7 ± 4.9	27.5 ± 3.5
Males: Females	15: 3	14: 4
Habitual daily caffeine intake (mg)	183 ± 126	196 ± 130
Habitual physical activity (sessions per week)	3.2 ± 3.0	3.2 ± 2.4