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Study population characteristics: PEG participants with DNA methylation data (n = 807)
| PD patients (n = 569) | Controls (n = 238) | |
|---|---|---|
| Mean (SD) or n (%) | ||
| Age at Blood Draw (SD) | 70.5 (9.8) | 67.5 (12.8) |
| Male Sex (%) | 356 (62.6) | 127 (53.4) |
| Ancestry (%): | ||
| White | 468 (82.4) | 228 (95.8) |
| Hispanic | 84 (14.8) | 9 (3.8) |
| Never Smoker (%) | 301 (53.2) | 96 (40.3) |
| Ex-Smoker (%) | 240 (42.4) | 125 (52.5) |
| Current Smoker (%) | 25 (4.4) | 17 (7.1) |
