Table 3.

Exploratory factor analyses of VAMS Items for controls, MCI, and AD

	CONTROLS		MCI		MILD AD
ITEM	NA	(REV) PA	NA	(REV) PA	NA	PA
Afraid	0.75	−0.04	0.68	0.14	0.79	0.18
Angry	0.79	0.11	0.51	0.25	0.42	−0.04
Sad	0.72	0.19	0.58	0.32	0.83	−0.11
Tense	0.53	0.36	0.60	0.13	0.57	−0.22
Confused	0.35	0.16	0.61	0.06	0.44	−0.17
Energetic	−0.06	−0.65	−0.04	−0.73	0.04	0.83
Tired	0.06	0.51	0.20	0.55	0.37	−0.49
Happy	−0.24	−0.55	−0.28	−0.63	−0.05	0.43

MCI = mild cognitive impairment; AD = Alzheimer’s disease; NA = negative affect; PA = positive affect; Rev = reversed (i.e. factor is defined by low PA rather than high PA). Loadings greater than 0.30 are in bold.