borderline significancep = 0.049
Tests at individual exposure concentrations indicated borderline significance (0.3 ppm, p = 0.049) but only if not corrected for multiple comparisons.
Tests at individual exposure concentrations indicated borderline significance (0.3 ppm, p = 0.049) but only if not corrected for multiple comparisons.
Linear regression indicated that the slope was not significantly different from zero at one hour and marginally significant after 2 hours of O 3 exposure ( P = 0.053).