Table 1.

Demographic characteristics by dementia status for women with Down syndrome

Characteristic	Nondemented	Demented
Sample size, n	.107	0.74
Age at baseline, years**	49.9±6.4	54.3±6.7
Level of mental retardation, n
Mild/moderate	0.50 (58.1)	0.36 (41.9)
Severe/profound	0.57 (60.0)	0.38 (40.0)
Ethnicity, n
Non-Hispanic white	0.97 (58.4)	0.69 (41.6)
Non-white	0.10 (66.7)	00.5 (33.3)
BMI	29.4±5.7	28.4±6.2
Medical history, n
Depression**	00.7 (6.5)	0.12 (16.2)
Diabetes	00.4 (3.7)	00.4 (5.4)
Hypertension	0.18 (16.8)	00.8 (10.8)
Heart disease	00.7 (6.5)	00.9 (12.2)
APOE ε4 allele, n*	0.18 (16.8)	0.20 (27.0)

Percentage values are given in parentheses.

^*p < 0.10,

^**p < 0.05.