Table 3 Univariate analysis.

	Maximal stress		Duration of stress
	r Value	p Value	r Value	p Value
Age	−0.458	<0.001	−0.566	<0.001
MAP	−0.205	0.140	−0.329	0.016
Body mass index	−0.021	0.885	−0.270	0.056
FMD	0.187	0.180	0.217	0.119
Total cholesterol	−0.369	0.045	−0.538	0.002
Baseline nitrite	0.182	0.183	0.076	0.562
Post‐exercise nitrite	0.365	0.007	0.245	0.074

FMD, flow‐mediated dilation; MAP, mean arterial pressure.