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Table 3 Descriptive statistics and paired summaries of key variables for participants who started and completed the protocol (first and second line for each variable respectively)

From: Non-pharmacological interventions a feasible option for addressing dementia-related sleep problems in the context of family care

 

Time 1

Time 2

Variable (range of scale)

N

Median

(range)

N

Median

(range)

Care recipient

 Sleep duration night, hours

15

8.0

(5.5–10.6)

   

9

8.1

(6.7–9.8)

9

8.2

(5.7–12.3)

 Sleep efficiency night (%)

15

85.0

(61.3–98.4)

   

9

85.0

(62.0–95.9)

9

85.4

(61.4–96.5)

 Sleep duration day, minutes

15

47.0

(0.0–78.0)

   

9

51.5

(0.0–78.0)

9

29.5

(0.0–192.0)

 PSQI (0–21)

15

4.0

(1.0–13.0)

   

9

4.0

(1.0–8.0)

9

3.0

(2.0–7.0)

 SDI-AD (0–12)

14

0.2

(0.0–4.2)

   

9

0.9

(0.0–4.0)

9

1.1

(0.0–3.0)

 MMSE (30–0)

14

18.0

(7.0–29.0)

   

9

15.0

(5.0–27.0)

9

15.0

(6.0–26.0)

 RMBPC Behaviour frequency (0–32)

15

3.5

(0.0–11.0)

   

9

3.0

(0.0–11.0)

 

5.0

(2.0–10.0)

 RMBPC Behaviour reaction (0–32)

15

3.5

(0.0–19.8)

   

9

3.3

(0.0–12.0)

9

3.5

(0.0–24.0)

 QOL-AD (CR rated), (52–13)

14

39.0

(24.0–48.0)

   

8

39.5

(24.0–45.0)

9

36.0

(18.0–49.0)

 QOL-AD (C rated), (52–13)

15

30.0

(23.0–40.0)

   

9

30.0

(23.0–40.0)

9

34.0

(22.0–40.0)

Carer

 Sleep duration night, hours

14

7.5

(5.9–8.9)

   

8

7.9

(6.1–8.9)

7

7.6

6.7–9.1

 Sleep efficiency (% sleep night)

14

89.6

(72.5–93.7)

   

8

90.0

(85.1–93.7)

7

87.1

(83.3–92.4)

 Sleep duration day, minutes

14

7.0

(0.0–80.0)

   

8

0.0

(0.0–80.0)

7

0.0

(0.0–47.5)

 PSQI (0–21)

14

8.0

(1.0–10.0)

   

8

8.0

(1.0–9.0)

9

5.0

(2.0–9.0)

 COPE positive (15–0)

15

11.0

(4.0–14.0)

9

10.0

(4.0–15.0)

9

10.0

(4.0–14.0)

   

 COPE negative (0–18)

15

5.0

(1.0–12.0)

9

10.0

(0.0–12.0)

9

6.0

(1.0–12.0)

   

 HADS-Anxiety (0–21)

15

4.0

(0.0–12.0)

9

6.0

(1.0–12.0)

9

4.0

(0.0–12.0)

   

 HADS-Depression (0–21)

15

4.0

(0.0–9.0)

9

5.0

(0.0–11.0)

  1. PSQI Pittsburgh Sleep Quality Index, SDI-AD Sleep Disorders Inventory Alzheimer’s Disease, MMSE Mini Mental Status Exam, RMBPC Revised Memory Behaviour Problem Checklist (global scores unavailable due to missing data), QOL-AD Quality of Life in Alzheimer’s disease” Patient and Caregiver report, COPE Carers of Older People in Europe index, HADS Hospital Anxiety and Depression Scale