Table 1.
Demographic characteristics of the participants.
| Subgroup | Attribute | With PD | Without PD | Total |
|---|---|---|---|---|
| Number of participants | 172 | 78 | 250 | |
| Sex, n (%) | Male | 109 (63.4%) | 28 (35.9%) | 137 (54.8%) |
| Female | 63 (36.6%) | 50 (64.1%) | 113 (45.2%) | |
| Age in years, n (%) (range: 18–86, mean: 62.13) | Below 20 | 0 (0.0%) | 3 (3.8%) | 3 (1.2%) |
| 20–29 | 0 (0.0%) | 10 (12.8%) | 10 (4.0%) | |
| 30–39 | 1 (0.6%) | 3 (3.8%) | 4 (1.6%) | |
| 40–49 | 5 (2.9%) | 6 (7.7%) | 11 (4.4%) | |
| 50–59 | 34 (19.8%) | 14 (18.0%) | 48 (19.2%) | |
| 60–69 | 64 (37.2%) | 30 (38.5%) | 94 (37.6%) | |
| 70–79 | 62 (36.0%) | 12 (15.4%) | 74 (29.6%) | |
| Above 80 | 6 (3.5%) | 0 (0.0%) | 6 (2.4%) | |
| Ethnicity, n (%) | white | 161 (93.6%) | 69 (88.5%) | 230 (92%) |
| Asian | 2 (1.2%) | 5 (6.4%) | 7 (2.8%) | |
| Black or African American | 1 (0.6%) | 2 (2.6%) | 3 (1.2%) | |
| American Indian or Alaska Native | 2 (1.2%) | 0 (0.0%) | 2 (0.8%) | |
| others | 1 (0.6%) | 0 (0.0%) | 1 (0.4%) | |
| not mentioned | 5 (2.9%) | 2 (2.6%) | 7 (2.8%) | |
| Recording environment, n (%) | Home | 140 (81.4%) | 59 (75.6%) | 199 (79.6%) |
| Clinic | 25 (14.5%) | 17 (21.8%) | 42 (16.8%) | |
| Unknown | 7 (4.1%) | 2 (2.6%) | 9 (3.6%) |
With PD column represents the participants with self-reported diagnosis of Parkinson’s disease, Without PD column represents the participants who did not self-report to have Parkinson’s disease.