Table 1.

	TOMM40S/S	TOMM40 S/L	TOMM40 S/VL	TOMM40 L/L	TOMM40 L/VL	TOMM40 VL/VL	p
N	88	107	193	54	87	110
Mean Entry Age (standard deviation)	57.8 (13.6)	57.3 (12.9)	59.3 (12.9)	56.1 (9.9)	55.3 (12.1)	60.9 (11.2)	0.02
Mean Years Education (standard deviation)	15.6 (2.3)	15.7 (2.5)	15.6 (2.5)	15.8 (2.3)	15.5 (2.6)	15.6 (2.7)	0.99
#Female (%)	67 (76.1)	72 (67.3)	127 (65.8)	42 (77.8)	65 (74.7)	72 (65.5)	0.22*
% FDR	52.9	69.8	47.6	81.1	79.1	57.3	<0.001*
%Caucasian	100	100	98.1	100	100	100	0.68*
% >1 epoch	81.8	84.1	78.8	85.2	78.2	82.7	0.76*

FDR=first degree relative with dementia. Unpaired t-tests except (*) chi square.