From: Low levels of fine particulate matter increase vascular damage and reduce pulmonary function in young healthy adults
Demographic variable Mean (+/- SD)
Mean (+/- SD)
Sex (%)
 Male
65%
 Female
35%
Race (%)
 White
70%
 Black
20%
 Mixed (W/B)
10%
Age (years)
25.3 ± 4.0
BMI (kg/m2)
25.5 ± 3.6