Table 1.

Demographics

	Study I (NC)	Study II (WA)
Sample size/gender	19 males	32m/5f
Age: mean (SD) years	57 (6.7)	51.2 (8.5)
Range years	50–77	40–71
Education
No school/grade school	47 %	92 %
High school or equivalent	47 %	8 %
Post high school	6 %	0 %
IQ group
≥80	21 %	5 %
50–79	21 %	14 %
35–49	16 %	14 %
≤35	42 %	67 %
Living situation
Independent	5 %	11 %
Independent with support	21 %	0 %
With family (parents)	5 %	8 %
Group home	21 %	81 %
Residential facility	47 %	0 %