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. Author manuscript; available in PMC: 2019 Dec 1.
Published in final edited form as: J Occup Environ Med. 2018 Dec;60(12):1073–1081. doi: 10.1097/JOM.0000000000001437

Figure 1. Study design.

Figure 1

Four testing days included baseline examination on Day 1 (informed consent, PARQ, hydrostatic weighing, and VO2max) followed by 3 days of identical exercise during the three smoke exposure conditions (“Clean Air” 0 μg/m3; Low Exposure 250 μg/m3; High Exposure 500 μg/m3`) Episodic woodsmoke exposures were introduced in a randomized crossover design with trials separated by 1 week. In all three trials participants performed an identical treadmill session for 1.5 hours. Blood samples were taken Pre-, Post-, and 1Hr Post exercise for subsequent examination of blood oxidative stress biomarkers.