Table 3 Results from GLMM analyses and effect sizes (Cohen's d) from baseline to 12-months post intervention for combined sample

PHQ-9

8.38

3.90

7.29

3.44

7.44

4.61

5.45

3.91

6.27

3.63

-1.48 [-2.55, -.21]

7.50

.007

.51 [.19, .83]

.25 [-.26, .76]

GAD-7

8.81

4.40

7.43

4.07

8.47

4.87

6.75

4.52

7.87

5.59

-0.81 [-2.05, 0.43]

1.66

.199

.62 [.29, .95]

-.10 [-.60, .41]

ISI

7.42

3.47

7.10

3.72

7.94

4.50

5.75

3.08

5.67

2.94

-0.75 [-1.76, 0.26]

2.13

.146

.05 [-.25, .35]

.12 [-.39, .62]

IJSS

2.90^a

0.37

2.90^b

0.34

2.85^c

0.43

3.13^d

0.42

3.16^e

0.45

0.10 [ -0.06, 0.26]

1.40

.240

-.16 [-.75, .44]

-.37 [-1.51, .85]

WEMWBS

40.75

7.58

41.98

7.66

41.56

8.63

42.45

8.64

41.53

12.13

0.79 [-1.49, 3.08]

0.47

.495

-.31 [-.62, 0]

.25 [-.27, .76]

WPAI-WTM

0.69¹

2.77

2.67²

8.79

9.41³

27.29

5.26⁴

22.94

0.51⁵

1.91

2.95 [-1.20, 7.11]

1.97

.162

-.22 [-.54-.09]

-.28 [-.83-.28]

WPAI-IWW

31.15

23.73

31.67

26.95

25.63

28.50

28.00

26.77

28.00

23.66

-2.89 [-9.93, 4.15]

0.66

.418

.05 [-.25, .36]

-.23 [-.74, .29]

WPAI-OWI

30.99¹

23.03

33.62²

27.96

29.41³

30.47

29.47⁴

26.77

30.26⁵

23.46

-0.93 [-8.24, 6.39]

0.06

.802

0 [-.31, .31]

-.11 [-.65, .44]

WPAI-AI

35.38

24.37

35.95

26.97

26.88

24.68

24.00

20.62

25.33

23.56

-7.43 [-14.14, -0.72]

4.79

.030

.02 [-.28, .33]

-.15 [-.66, .36]

EQ5D – Overall Health

72.60

16.97

73.50

15.00

73.48⁶

18.37

79.35

13.96

75.73

15.63

2.82 [-1.63, 7.27]

1.56

.213

-.05 [-.36, .25]

.41 [-.12, .93]