Table 2.
Comparison of subject characteristics by motivation and by doctor status.
| Motivation | Doctor Status | |||||
|---|---|---|---|---|---|---|
| Responses | Direct personal benefit N = 54 | Altruism/dual N = 35 | P Valueb | Own doctor N = 39 | Other N = 49 | P Valueb |
| Age (years; mean (SD)) | 59.9 (7.4) | 58.9 (7.4) | .54 | 60.6 (6.4) | 58.6 (8.0) | .21 |
| Female (N (%)) | 14 (25.9) | 11 (31.4) | .63 | 9 (23.1) | 15 (30.6) | .48 |
| Married (N (%)) | 39 (72.2) | 26 (74.3) | 1.0 | 32 (82.1) | 32 (65.3) | .10 |
| Race (N (%)) | .64 | .69 | ||||
| White | 53 (98.1) | 34 (97.1) | 38 (97.4) | 48 (98.0) | ||
| Black | 0 (0) | 1 (2.9) | 1 (2.6) | 0 (0) | ||
| Asian | 1 (1.9) | 0 (0) | 0 (0) | 1 (2.0) | ||
| Education (N (%)) | .70 | .67 | ||||
| High school or less | 12 (22.3) | 10 (28.6) | 9 (23.1) | 13 (26.5) | ||
| Some college | 8 (14.8) | 7 (20.0) | 8 (20.5) | 7 (14.3) | ||
| College degree | 25 (46.3) | 12 (34.3) | 14 (35.9) | 22 (44.9) | ||
| Post college | 9 (16.7) | 6 (17.1) | 8 (20.5) | 7 (14.3) | ||
| Years since PD diagnosis (mean/SD) | 12.3 (4.4) | 10.5 (4.6) | .07 | 11.7 (5.0) | 11.8 (4.3) | .92 |
a
Two subjects were missing doctor status data and were not included in analyses.
b
Two-group t-test for continuous variables and Fisher’s exact test for categorical variables. Abbreviations: SD: standard deviation; PD: Parkinson’s Disease