Table 3.

Demographic characteristics of the sample comparative to the parent WATCH-PD study

	Sample n = 40	Parent study (n = 82)
Age, y	63.9 (SD 8.8)	63.3 (SD 9.4)
Female, n (%)	19 (47.5%)	36 (43.9%)
Race/ethnicity, n (%)
White	37 (92.5%)	78 (95.1%)
Asian	3 (7.5%)	3 (3.7%)
Not specified	–	1 (1.2%)
Hispanic or Latino, n (%)	1 (2.5%)	3 (3.7%)
Education>12 y, n (%)	40 (100.0%)	78 (95.1%)
*PD duration, y	2.1 (SD 0.9)	0.8 (SD 0.6)
Taking medications for PD, n (%)	16 (40.0%)	–

*PD duration represents the time since diagnosis with Parkinson’s disease at time of parent vs. substudy data collection.