Table 3.

Heat-Related Illness (HRI) Symptoms Experienced by Participants During Training Week

	Instructor (N=6)	Student (N=12*)	Total (N=18)
Cramps
- No	5 (83.3%)	6 (50.0%)	11 (61.1%)
- Yes	1 (16.7%)	6 (50.0%)	7 (38.9%)
Nausea and vomiting
- No	6 (100.0%)	11 (91.7%)	17 (94.4%)
- Yes	0 (0.0%)	1 (8.3%)	1 (5.6%)
Heavy sweating
- No	0 (0.0%)	0 (0.0%)	0 (0.0%)
- Yes	6 (100.0%)	12 (100.0%)	18 (100.0%)
Confusion
- No	6 (100.0%)	11 (91.7%)	17 (94.4%)
- Yes	0 (0.0%)	1 (8.3%)	1 (5.6%)
Dizziness
- No	5 (83.3%)	11 (91.7%)	16 (88.9%)
- Yes	1 (16.7%)	1 (8.3%)	2 (11.1%)
Fainting
- No	6 (100.0%)	12 (100.0%)	18 (100.0%)
- Yes	0 (0.0%)	0 (0.0%)	0 (0.0%)
Headache
- No	4 (66.7%)	9 (75.0%)	13 (72.2%)
- Yes	2 (33.3%)	3 (25.0%)	5 (27.8%)
Number of HRI symptoms
- Mean (SD)	1.7 (0.5)	2.0 (1.0)	1.9 (0.8)
- Min − Max	1.0 - 2.0	1.0 - 4.0	1.0 - 4.0
Two or more HRI symptoms
- No	2 (33.3%)	4 (33.3%)	6 (33.3%)
- Yes	4 (66.7%)	8 (66.7%)	12 (66.7%)
HRI with CNS involvement
- No	3 (50.0%)	8 (66.7%)	11 (61.1%)
- Yes	3 (50.0%)	4 (33.3%)	7 (38.9%)

^*Data are missing from 6 students who provided baseline data