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. 2020 Dec 7;12(23):24141–24155. doi: 10.18632/aging.202341

Table 1. Cohort description.

Mean SD N non-missing IQR
Age (y) 60.1 12.4 563 19.0
Body Mass Index (kg/m2) 30.6 7.53 556 8.26
AAD (y) 4.77 6.62 563 8.41
PhenoAAD (y) -8.83 7.74 563 10.0
Distance to major roadway (km) 1.02 1.07 542 1.09
Total PM2.5 (μg/m3) 10.9 0.76 497 0.91
Diesel PM2.5 (μg/m3) 0.54 0.31 497 0.51
Gasoline PM2.5 (μg/m3) 0.55 0.16 497 0.26
Secondary Organic Carbon PM2.5 (μg/m3) 1.26 0.25 497 0.34
Biomass PM2.5 (μg/m3) 1.99 0.22 497 0.32
Diastolic Blood Pressure (mmHg) 82.2 14.0 539 18.0
Systolic Blood Pressure (mmHg) 146 24.8 539 36.0
N % N non-missing
Males 234 41.6 563
Females 329 58.4 563
African Americans 214 38.0 563
European Americans 349 62.0 563
Smokers 249 44.2 563
Peripheral Arterial Disease 34 6.04 563
Diabetes 162 28.8 563
Hyperlipidemia 324 57.5 563

Description of the study cohort. AAD = Age Acceleration Difference; mmHg = millimeters of mercury; IQR = interquartile range; PhenoAAD = Phenotypic Age Acceleration Difference; SD = standard deviation.