Table 1 Characteristics of the 8620 study participants
All (n = 8620) | ||||
|---|---|---|---|---|
Characteristic | PD without D (n = 4741) | PD with D (n = 3879) | P | SMD |
Sex, female | 2760 (58.2) | 2505 (64.6) | < 0.001 | 0.1316 |
Age at the first claim with PD diagnosis (years) | 74.6 ± 5.9 | 74 ± 6.0 | < 0.001 | 0.1009 |
60–64 | 145 (3.1) | 174 (4.5) | ||
65–69 | 781 (16.5) | 756 (19.5) | ||
70–74 | 1556 (32.8) | 1216 (31.4) | ||
75–79 | 1319 (27.8) | 1033 (26.6) | ||
80–84 | 660 (13.9) | 517 (13.3) | ||
85 or more | 280 (5.9) | 183 (4.7) | ||
Residential area | < 0.001 | |||
Seoul and capital areaa | 2003 (42.3) | 1401 (36.1) | 0.1271 | |
Metropolitan cityb | 830 (17.5) | 700 (18.1) | 0.0157 | |
Rural area | 1908 (40.2) | 1778 (45.8) | 0.1132 | |
Income quintiles | < 0.001 | |||
Medicaid | 549 (11.6) | 597 (15.4) | 0.1115 | |
Q1(lowest) | 589 (12.4) | 458 (11.8) | ||
Q2 | 421 (8.9) | 336 (8.7) | ||
Q3 | 521 (11) | 416 (10.7) | ||
Q4 | 849 (17.9) | 628 (16.2) | ||
Q5(highest) | 1812 (38.2) | 1444 (37.2) | ||
Anticholinergic use | 1138 (24.0) | 1459 (37.6) | < 0.001 | 0.2962 |
Trihexyphenyl | 711 (15.0) | 910 (23.5) | < 0.001 | 0.2168 |
Benztropine | 524 (11.1) | 778 (20.1) | < 0.001 | 0.2505 |
Anti-dementia medication use | 15 (0.3) | 2539 (65.5) | < 0.001 | 1.7764 |