Table 1 Characteristics of the sample

People with dementia

n

= 73

Age in years^a

87.38

(±7.71)

Female^a

38

(71.7%)

Length of stay in nursing home in months^a

34.57

(±31.14)

• None

0

(0.0%)

• considerable (= I)

9

(17.0%)

• severe (= II)

25

(47.2%)

• most severe (≥ III)

19

(35.8%)

Dementia Screening Scale (DSS)

9.01

(±3.14)

• mild or moderate dementia (3–7)

28

(38.4%)

• severe dementia (8–14)

45

(61.6%)

Challenging behaviour (CMAI)^a

34.87

(±10.48)

Caregivers (proxy-raters)

n

= 8 ^c

Age in years

34.75

(±13.76)

Female

8

(100.0%)

Registered nurses

5

(62.5%)

Working experience in years

9.38

(±5.63)

Working hours per week

38.75

(±3.54)

• no

6

(75.0%)

• yes, at least once

1

(12.5%)

• yes, regularly (≥ twice a month)

1

(12.5%)