Table 4 Factor analysis of the ADAS-Noncong in patients with AD with lower BPSD scores (N = 551)

Tearfulness

0.02642

0.83697

0.10166

Depression

0.13897

0.82174

0.06316

Concentration

0.53240

0.33285

0.15738

Cooperation

0.59021

0.18935

0.17487

Delusions

0.15631

0.13834

0.82285

Hallucinations

0.09756

0.00094

0.84430

Pacing

0.75853

0.03146

0.23335

Motor activity

0.79410

0.00864

0.23449

Tremors

0.52143

0.04723

-0.14602

Appetite change

0.39204

0.39735

-0.07791