Table 2 Factor loadings for a PCA with varimax and promax rotations

Item 4: other aggressive behaviors or self-abuse including: intentional falling, making verbal or physical sexual advances, eating/drinking/chewing inappropriate substances, hurt self or other

.818

.886

Item 2: hitting, kicking, pushing, biting, scratching, aggressive spitting

.783

.805

Item 3: grabbing onto people, throwing things, tearing things, or destroying property

.706

.696

Item 12: strange noises (weird laughter or crying)

.695

.713

Item 1: cursing/verbal aggression

.612

.427

.630

Item 9: constant request for attention or help

.787

.875

Item 10: repetitive sentences, calls, questions, or words

.783

.855

Item 11: complaining, negativism, refusal to follow directions

.414

.629

.618

Item 6: general restlessness, performing repetitious mannerisms, tapping, strange movements

.510

.474

.473

Item 14: screaming

.484

.469

Item 7: inappropriate dress or disrobing

.816

.835

Item 13: hiding things, hoarding things

.672

.711

Item 8: handling things inappropriately

.668

.640

Item 5: pace, aimless wandering, trying to get to a different place (e.g. out of the room/building)

.436

.635

.584