Table 2. PD prevalence by demographic subgroups.
| No PD | Probable PD | Definitive PD | PD Prevalence (Net) | Total | |
|---|---|---|---|---|---|
| Total n (%) | 6804 (88.2) | 850 (11.0) | 57 (0.7) | 907 (11.8) | 7711 |
| Age (years) n (%) | |||||
| 18–24 | 640 (85.0) | 111 (14.7) | 2 (0.3) | 113 (15.0) | 753 |
| 25–34 | 1064 (87.1) | 151 (12.4) | 6 (0.5) | 157 (12.9) | 1221 |
| 35–44 | 1178 (90.5) | 116 (8.9) | 7 (0.5) | 123 (9.5) | 1301 |
| 45–54 | 1510 (91.3) | 136 (8.2) | 8 (0.5) | 144 (8.7) | 1654 |
| 55–64 | 948 (87.0) | 131 (12.0) | 11 (1.0) | 142 (13.0) | 1090 |
| 65–74 | 764 (86.9) | 106 (12.1) | 9 (1.0) | 115 (13.1) | 879 |
| 75+ | 700 (86.1) | 99 (12.2) | 14 (1.7) | 113 (13.9) | 813 |
| Mean (#) | 48.8 | 48.3 | 57.9 | 48.9 | 48.8 |
| Region n (%) | |||||
| Midwest | 1693 (90.4) | 166 (8.9) | 14 (0.7) | 180 (9.6) | 1873 |
| Northeast | 1384 (88.6) | 171 (10.9) | 7 (0.4) | 178 (11.4) | 1562 |
| South | 2055 (86.2) | 309 (13.0) | 20 (0.8) | 329 (13.8) | 2384 |
| West | 1649 (88.8) | 191 (10.3) | 16 (0.9) | 207 (11.2) | 1856 |
| Income n (%) | |||||
| <$25K | 843 (86.0) | 132 (13.5) | 5 (0.5) | 137 (14.0) | 980 |
| $25K to <50K | 1336 (87.4) | 188 (12.3) | 5 (0.3) | 193 (12.6) | 1529 |
| $50K to <$75K | 1493 (87.8) | 193 (11.4) | 14 (0.8) | 207 (12.2) | 1700 |
| $75K to <100K | 1188 (89.1) | 133 (10.0) | 13 (1.0) | 146 (10.9) | 1334 |
| $100K to <$150K | 933 (87.9) | 116 (10.9) | 12 (1.1) | 128 (12.1) | 1061 |
| $150K+ | 561 (90.3) | 53 (8.5) | 7 (1.1) | 60 (9.7) | 621 |