From: Physical activity in an air-polluted environment: behavioral, psychological and neuroimaging protocol for a prospective cohort study (Healthy Aging in Industrial Environment study – Program 4)
Age group
Runners (60%)
Inactive Controls (40%)
SBR
MSR
18–25
90
60
> 25–35
> 35–45
> 45–55
> 55–65
Total N
450
300