Skip to main content

Table 8 Estimated standard deviations (SDs) for study outcomes by trial arm status

From: Healthy Parent Carers: feasibility randomised controlled trial of a peer-led group-based health promotion intervention for parent carers of disabled children

Outcome

Intervention

Control

All

N

SD (95% CI)

N

SD (95% CI)

N

SD (95% CI)

Baseline

 WEMWEBS wellbeing

    

87

6.9 (6.0 to 8.1)

 PHQ-9 depression

    

88

5.3 (4.6 to 6.2)

 Parent assessment of protective factors a

    

78

0.54 (0.46 to 0.64)

 Health-promoting activities

    

88

8.9 (7.7 to 10.4)

 Parent activation measure

    

88

11.4 (9.9 to 13.4)

First follow-up

 WEMWEBS wellbeing

44

7.0 (5.8 to 8.9)

34

6.3 (5.1 to 8.3)

78

6.8 (5.9 to 8.1)

 PHQ-9 depression

42

4.4 (3.6 to 5.6)

35

4.8 (3.8 to 6.2)

77

4.6 (3.9 to 5.4)

 Parent assessment of protective factors a

42

0.53 (0.44 to 0.68)

32

0.45 (0.36 to 0.60)

74

0.50 (0.43 to 0.60)

 Health-promoting activities

44

8.7 (7.2 to 11.1)

35

7.7 (6.2 to 10.1)

79

8.3 (7.2 to 9.8)

 Parent activation measure

43

13.2 (10.9 to 16.8)

34

10.1 (8.1 to 13.3)

77

11.9 (10.3 to 14.1)

Second follow-up

 WEMWEBS wellbeing

43

8.3 (6.8 to 10.5)

35

6.7 (5.4 to 8.7)

78

7.5 (6.5 to 9.0)

 PHQ depression

42

6.4 (5.2 to 8.1)

31

4.4 (3.5 to 5.9)

73

5.6 (4.8 to 6.7)

 Parent assessment of protective factors a

40

0.54 (0.44 to 0.69)

32

0.48 (0.38 to 0.63)

72

0.51 (0.44 to 0.61)

 Health-promoting activities

42

9.7 (8.0 to 12.3)

34

9.8 (7.9 to 12.9)

76

9.7 (8.3 to 11.5)

 Parent activation measure

44

15.2 (12.6 to 19.3)

34

12.7 (10.2 to 16.7)

78

14.2 (12.2 to 16.8)

  1. a Total score on Parent assessment of protective factors
  2. SD standard deviation, CI confidence interval, N denominator (sample size)