Table 1. Baseline Characteristics.
| Characteristic | No. (%) | |||
|---|---|---|---|---|
| Smartphone Users (n = 250) |
Development Cohort (n = 129) |
Clinic Cohort With Parkinson Disease (n = 23) |
Clinic Cohort Without Parkinson Disease (n = 17) |
|
| Demographic | ||||
| Age, y, mean (SD) | 57.2 (9.4) | 58.7 (8.6) | 64.6 (11.5) | 54.2 (16.5) |
| Women | 95 (38.0) | 55 (42.6) | 11 (48) | 12 (71) |
| White race | 225 (90.0) | 123 (95.3) | 22 (96) | 16 (94) |
| Hispanic/Latino | 15 (6.0) | 9 (7.0) | 0 (0) | 0 (0) |
| College graduate | 238 (95.2) | 121 (93.7) | 14 (61) | 8 (47) |
| Using internet or email at home | 250 (100) | 129 (100) | 21 (91) | 17 (100) |
| Clinical | ||||
| Time since diagnosis, y, mean (SD) | 4.4 (4.9) | 4.3 (4.4) | 7.0 (4.1) | N/A |
| Taking levodopa | 96 | 97 | 90 | N/A |
| MDS-UPDRS total score, mean (SD) | NA | NA | 55.0 (26.5) | 4.6 (4.6) |
| MDS-UPDRS III score, mean (SD) | NA | NA | 26.9 (11.2) | 1.2 (1.7) |
| Timed Up and Go Test, s, mean (SD) | NA | NA | 11.2 (3.3) | 8.1 (1.3) |
| Hoehn and Yahr score, stage, mean (SD) | NA | NA | 2.1 (0.7) | 0.0 (0.0) |
Abbreviations: MDS-UPDRS, Movement Disorder Society Unified Parkinson Disease’s Rating Scale; NA, not applicable.