Table 2. Cox proportional hazard models for conversion to MCI or dementia.

		hazard ratio (SE) p
		model 1†	model 2‡	model 3§
Age		1.06 (0.003) < 0.01	1.05 (0.003) < 0.01	1.04 (0.003) < 0.01
Male		1.29 (0.07) < 0.01	1.17 (0.07) 0.004	1.01 (0.07) 0.92
Education		0.96 (0.01) < 0.01	1.02 (0.01) 0.107	1.03 (0.01) < 0.01
Level of independence	2	2.13 (0.32) < 0.01	1.83 (0.28) < 0.01	1.62 (0.25) < 0.002
	3	1.89 (0.48) 0.01	2.07 (0.53) < 0.01	1.78 (0.46) 0.02
	4	2.10 (1.25) 0.21	2.40 (1.43) 0.14	1.65 (0.99) 0.40
FAQ total		1.02 (0.003) < 0.01	1.01 (0.003) < 0.01	1.01 (0.004) 0.01
GDS		1.11 (0.003) < 0.01	1.10 (0.004) < 0.01	1.10 (0.13) < 0.01
MMSE			0.94 (0.02) 0.001	0.97 (0.02) 0.17
Logical memory			0.93 (0.01) < 0.01	0.94 (0.01) < 0.01
Boston			0.97 (0.01) < 0.01	1.09 (0.01) 0.44
Category fluency (animals)				0.98 (0.01) 0.01
Category fluency (vegetables)				0.95 (0.01) < 0.01
Trails B–A				1.00 (0.001) 0.115
Digit span forward				1.02 (0.02) 0.286
Digit span backward				0.99 (0.02) 0.709
WAIS				0.98 (0.003) < 0.01

^†Model 1: adjusted for baseline age, sex, years of education, and total FAQ.

^‡Model 2: model 1 + MMSE, logical memory, Boston naming.

^§Model 3: model 1 + model 2 + TMT B–A, animal and vegetable category fluencies, and digit span forward and backward.