Table 1. The main effects of time, exposure condition and intensity on FMD (Mean (SD)) in 17 recreationally active males.

	Uncorrected FMD	Corrected FMD
	Mean (SD)
Prior to and following exercise or rest
Pre	6.40 (1.61)	5.30 (1.16)
Post	5.00 (1.75)*	4.08 (1.10)*
1 h post	5.32 (1.74)	4.31 (1.15)*
2 h post	5.88 (1.33)	4.85 (1.14)**
Diesel exhaust and filtered air
Filtered Air	5.65 (1.39)	4.62 (0.99)
Diesel	5.65 (1.30)	4.65 (1.00)
Rest, low and high intensity exercise
Rest	5.84 (1.31)	4.75 (1.12)
Low Intensity	5.79 (1.58)	4.69 (1.10)
High-Intensity	5.32 (1.55)	4.46 (1.05)

* significantly less than pre-exercise in the corresponding column, p<0.05

** significantly less than post, p< 0.05