Factor



% variance
1 2 3
Disruptive
behavior
Depression Psychosis
30.4% 26.6% 18.2%
Delusions -.073 -.069 #.826
Hallucinations .188 .117 #.852
Activity disturbance #.749 -.301 -.217
Aggressiveness #.854 -.013 .052
Rhythm disturbance #.733 .085 .060
Affective disturbance .003 #.930 .060
Anxiety -.133 #.897 .002
HP group: Alzheimer’s disease patients whose MMSE scores were ≥12.
AD: Alzheimer’s disease
BEHAVE-AD: behavioral pathology in Alzheimer’s disease rating scale
delusions: paranoid and delusional ideation, rhythm disturbance: diurnal rhythm disturbance, anxiety: anxieties and phobias
#: symptoms with a factor loading≥.400
Table 4: Results of varimax rotation factor analysis of BEHAVE-AD items in the HP group.