Skip to main content

Table 3 Pre-post-follow up values for both groups and differences between the groups at post test and follow-up test, controlled for pre test, interaction effects

From: Rest-activity rhythms in small scale homelike care and traditional care for residents with dementia

 

Experimental group (n = 57)

Control group (n = 55)

 

Interaction Time x group

 

Pre M (SD)

Post M (SD)a

Follow up M (SD)b

Pre M (SD)

Post M (SD)a

Follow up M (SD)b

Statistic

Value

Eta square

Statistic

Value

Eta square

Objective measures:

 Night-time restlessness (L5)

23.99 (24.71)

23.88 (27.46)

22.86 (21.30)

21.84 (20.33)

21.75 (22.92)

15.71 (20.41)

F (1406)

P = .241

.024

F (2672)

P = 0.515

.024

 Daytime activity (M10)

129.29 (127.91)

120.29 (104.58)

112.71 (102.86)

132.90 (116.22)

98.70 (76.58)

142.04 (165.09)

F (1092)

P = .763

.002

F (2874)

P = .065

.095

 Intradaily variability (IV)

1.26 (0.38)

1.19 (0.40)

1.24 (0.46)

1.21 (0.46)

1.24 (0.36)

1.26 (0.40)

F (1850)

P = .361

.015

F (2771)

P = .029

.121

 Interdaily stability (IS)

0.39 (0.51)

0.40 (0.17)

0.33 (0.14)

0.34 (0.16)

0.37 (0.17)

0.35 (0.17)

F (1710)

P = .403

.013

F (2060)

P = .010

.155

 Amplitude (AMP)

105.30 (116.70)

96.41 (88.70)

89.85 (89.67)

111.06 (109.70)

76.95 (64.65)

126.32 (158.92)

F (1333)

P = .566

.006

F (2804)

P = .069.

.093

 Relative amplitude (rAMP)

0.67 (0.19)

0.69 (0.17)

0.65 (0.21)

0.69 (0.21)

0.67 (0.24)

0.77 (0.21)

F (1494)

P = .227

.026

F (2936)

P = .154

.066

Subjective measures:

 Restlessness

8.22 (2.90)

8.33 (3.15)

7.25 (2.45)

9.03 (3.82)

9.00 (3.62)

8.48 (3.46)

F (1213)

P = .148

.027

F (2401)

P = .671

.010

 Repetitive behavior

8.35 (3.64)

8.49 (4.06)

7.80 (3.58)

8.07 (3.04)

8.07 (3.97)

7.76 (3.43)

F (1114)

P = .736

.001

F (2135)

P = .874

.003

  1. an = 52, bn = 38
  2. L5 mean activity count of the 5 least active hours of the day = nocturnal activity or nighttime restlessness, M10 mean activity count per hour of the 10 most active hours in a 24-h period = daytime activity, IS a periodogram-based algorithm measuring day to day stability of the rhythm, IV fragmentation of the activity rhythm that assesses the period to period variability of the rhythm, AMP amplitude, RA relative amplitude, (M10-L5)/(M10 + l5)