Table 3 Correlation between clinical characteristics and BPSD in patients and family caregiver burden (N = 170)

1. Cognitive function

1

2. Stages of dementia

−0.62*

1

3. Depression

−0.12

0.05

1

4. Activities of daily living

0.22*

−0.35*

−0.07

1

5. Instrumental activities of daily living

−0.35*

0.59*

−0.04

− 0.65*

1

6. Hyperactivity symptoms

−0.24*

0.32*

− 0.16*

− 0.36*

0.43*

1

7. Psychosis symptoms

−0.32*

0.43*

0.01

−0.25*

0.44*

0.62*

1

8. Physical behaviour symptoms

−0.29*

0.40*

0.01

−0.35*

0.41*

0.57*

0.57*

1

9. Family caregiver’s burden

−0.29*

0.39*

−0.02

− 0.35*

0.49*

0.74*

0.81*

0.71*

1