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Table 3 Primary and secondary outcomes over time (additional information on F-values, df and p-values can be obtained from Additional file 1: Table S1)

From: Telephone-based aftercare groups for family carers of people with dementia – results of the effect evaluation of a randomised controlled trial

 

Group

Measurement time points, means, p-values

SRM

p-valuesa

T0

p

T1

p

T2

p

T3

p

T0-T1

T0-T2

T0-T3

time

group

time*group

Restrictions on Social Participation (IMET)b

IG

42.1

.598

**

**

36.7

.613

38.9

.792

**

0.27

0.16

0.051

0.919

0.643

CG

40.3

**

37.5

39.4

**

0.11

0.05

General health complaints (SCL)b

IG

9.7

.231

6.5

.026

9.0

.783

9.3

.704

0.63

0.14

0.11

< 0.01

0.234

0.259

CG

7.6

4.8

8.1

9.1

0.72

−0.13

−0.23

Psychological distress (CES-D)b

IG

24.2

.216

13.2

.449

19.8

.122

20.8

.026

1.22

0.44

0.40

< 0.01

0.452

< 0.01

CG

22.1

14.0

22.4

23.6

0.93

−0.06

−0.18

Physical health (WHOQOL-BREF)c

IG

56.1

.203

**

**

61.6

.856

61.5

.926

**

0.37

0.42

< 0.01

0.591

0.079

CG

60.6

**

61.3

61.6

**

0.04

0.10

Mental health (WHOQOL-BREF)c

IG

56.6

.865

**

**

60.9

.079

62.3

.018

**

0.26

0.41

0.107

0.146

0.011

CG

56.5

**

56.6

55.7

**

0.0

−0.09

Social relations (WHOQOL-BREF)c

IG

51.9

.763

**

**

55.2

.580

57.1

.474

**

0.17

0.34

0.117

0.667

0.226

CG

53.5

**

52.9

54.1

**

−0.04

0.06

Environment (WHOQOL-BREF)c

IG

68.0

.391

**

**

72.1

.914

71.3

.875

**

0.35

0.27

0.020

0.745

0.250

CG

70.7

**

71.8

70.9

**

0.10

0.05

Social support (FSozU)dc

IG

80.5

.179

**

**

84.4

.619

85.3

.656

**

0.35

0.41

0.017

0.819

< 0.01

CG

84.1

**

83.7

84.0

**

−0.06

−0.01

Performance – daily lifec

IG

6.3

.438

**

**

7.1

.075

6.8

.500

**

0.33

0.23

0.185

0.779

0.126

CG

6.6

**

6.6

6.7

**

0.0

0.01

Performance – leisure timec

IG

3.9

.680

**

**

5.0

.040

4.7

.329

**

0.46

0.33

0.081

0.626

0.011

CG

4.2

**

4.1

4.2

**

−0.02

0.06

Performance – occupationc

IG

4.9

.170

**

**

7.0

.080

6.6

.169

**

0.76

0.61

0.543

0.965

0.167

CG

6,3

**

5,3

5,3

**

−1.0

−1.0

  1. SRM standardized response mean, p probability, IMET Instrument zur Messung der Einschränkungen der Teilhabe [instrument for measurement of limitations of participation], SCL symptom checklist, CES-D Center for Epidemiologic Studies - Depression Scale, WHOQOL-BREF World Health Organization - Quality of Life Scale, IG intervention group, CG control group
  2. aF-tests (statistically significant values are printed in bold)
  3. bhigh values indicate high impairments, c high values indicate low impairments
  4. **not collected at T1