Table 1.

Sample characteristics.

	Demented	MCI	Normal	Total
Gender - Female	11 (50.0%)	60 (53.1%)	133 (65.5%)	204 (60.4%)
Gender - Male	11 (50.0%)	53 (46.9%)	70 (34.5%)	134 (39.6%)
Age_IA - Mean (SD)	78.5 (±7.7)	75.2 (±7.3)	74.2 (±7.0)	74.8 (±7.2)
Education - Mean (SD)	11.9 (±5.2)	14.5 (±3.9)	13.0 (±4.6)	13.4 (±4.4)
Recruitment Source - Clinic	9 (40.9%)	45 (39.8%)	28 (13.8%)	82 (24.3%)
Recruitment Source - Community	13 (59.1%)	68 (60.2%)	174 (85.7%)	255 (75.4%)
Recruitment Source - Missing	0 (0.0%)	0 (0.0%)	1 (0.5%)	1 (0.3%)
Race/Ethnicity - African American (N=76)	3 (13.6%)	23 (20.4%)	50 (24.6%)	76 (22.5%)
Race/Ethnicity - Hispanic (N=85)	6 (27.3%)	10 (8.8%)	69 (34.0%)	85 (25.1%)
Race/Ethnicity - Other (N=17)	0 (0.0%)	5 (4.4%)	12 (5.9%)	17 (5.0%)
Race/Ethnicity - White (N=160)	13 (59.1%)	75 (66.4%)	72 (35.5%)	160 (47.3%)
Follow-up Time (years) - Mean (SD)	4.8 (±2.4)	5.5 (±3.1)	8.2 (±3.6)	7.1 (±3.6)
N Cognitive Assessments - Mean (SD)	4.8 (±2.3)	5.6 (±2.6)	7.6 (±3.0)	6.7 (±3.0)
N MRI - Mean (SD)	2.1 (±0.3)	2.4 (±0.7)	2.7 (±0.8)	2.5 (±0.8)
Global Gray Change (standardized) - Mean (SD)	−0.0 (±0.0)	−0.0 (±0.0)	−0.0 (±0.0)	−0.0 (±0.0)
Global Gray Baseline (standardized) - Mean (SD)	−0.1 (±1.0)	0.1 (±1.2)	−0.1 (±0.9)	−0.0 (±1.0)
Hippocampus Change (standardized) - Mean (SD)	−0.7 (±1.2)	−0.3 (±1.0)	0.3 (±0.9)	−0.0 (±1.0)
Hippocampus Baseline (standardized) - Mean (SD)	−0.8 (±0.8)	−0.1 (±1.0)	0.5 (±0.9)	0.2 (±1.0)
White Matter Hyperintensity Baseline (standardized) - Mean (SD)	0.2 (±0.7)	0.1 (±0.9)	−0.4 (±1.0)	−0.2 (±1.0)
Semantic Memory BL - Mean (SD)	−0.5 (±0.9)	0.1 (±0.7)	0.1 (±0.9)	0.1 (±0.8)
Executive Function BL - Mean (SD)	−0.5 (±0.8)	0.0 (±0.7)	0.4 (±0.8)	0.2 (±0.8)
Spatial BL - Mean (SD)	−0.4 (±1.1)	0.1 (±0.9)	0.2 (±1.0)	0.1 (±1.0)