Table 2 Pittsburgh sleep quality index (PSQI), hospital anxiety and depression scale (HADS), and burden scale for family caregivers (BSFC)

PSQI³

108

8.7

3.5

2

8.5

16

9284

5

3.4

Subjective sleep quality

108

1.7

0.6

0

2

3

1.1

0.7

Sleep latency

108

1.3

1.1

0

1

3

1.1

0.9

Sleep duration

107

1.6

1.2

0

1

3

0.6

0.8

Sleep efficiency

106

1.2

1.1

0

1

3

0.7

1.0

Sleep disturbance

108

1.3

0.5

0

1

2

0.6

0.6

Use of sleep medication

107

0.1

0.4

0

0

3

0.1

0.6

Daytime dysfunction

108

1.6

0.8

0

2

3

0.8

0.7

Bedtime

106

22:00

Time to sleep (min)

106

25.9

26.5

20

Waking time

107

06:00

Time spend in bed (h)

106

7.5

0.9

7.5

Effective sleep time (h)

107

5.8

1.1

6

Gender of primary caregiver 92.6% (n = 100) female, 7.4% (n = 8) male, mean age 45 years

56.6% female (n = 2481), male 43,7% (n = 1929)*

HADS-A

108

9.3

4.3

1

9

20

4410

4.4¹/5.0²

3.3¹/3.6²

HADS-D

108

7.9

3.7

1

7

20

4410

4.8¹/4.7²

4.0¹/3.9²

BSFC

108

41.7

11.7

17

40

64

¹male

Pearson-Correlation of PSQI with

r

p-value

²female

HADS-A

106

0.46

 < 0.001

* mean age 50.3 years

HADS-D

106

0.21

0.03

BSFC

106

0.36

 < 0.001

PSQI

% (n)

 0–5

23.1 (25)

 6–10

46.3 (50)

 11–21

30.6 (33)

HADS-A

 Normal (0–7)

38.2 (39)

 Borderline (8–10)

26.5 (27)

 Abnormal (11–21)

35.3 (36)

HADS-D

 Normal (0–7)

49.1 (53)

 Borderline (8–10)

27.8 (30)

 Abnormal (11–21)

23.1 (25)

BSFC

 None to mild (0–41)

54.6 (59)

 Moderate (42–55)

33.3 (36)

 Severe to very severe (56–84)

12.0 (13)