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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: J Expo Sci Environ Epidemiol. 2019 Feb 6;30(3):525–536. doi: 10.1038/s41370-019-0120-y

Fig. 1.

Fig. 1

Study timeline. ǂCollection times are approximate, urine sample collected within hour from given time. &Demographic/health questionnaires and cognitive battery administered; physiological measurements recorded at first morning session. *First morning void. Groups 1 and 3 (operational/expeditionary: 33 h continuous wear): Group 1: in simulated hot environment (35 °C, 40% rh), Group 3: in comparison, ambient environment (average conditions 3 °C, 80% rh). ¥Groups 2 and 4 (garrison: 3 day, 8 h/day wear) Group 2: in simulated hot environment (35 °C, 40% rh), Group 4: in comparison, ambient environment (average conditions 13 °C, 60% rh). Gray-shading: Time under study environmental conditions; urine (U) samples collected during time when study uniforms worn. Black: No study activities on Day 2 and 10