Table 2 Mean and standard deviation of scores for SWEMWBS PHQ-9 and GAD-7 at all time points

Participants who completed two sessions (N = 127)

Therapy 1

19.0 (3.6)

11.5 (6.2)

11.6 (5.4)

Therapy 2

20.4 (4.1)

7.8 (6.2)

8.3 (5.5)

Change 1–2

1.4 (2.9) P < 0.005

− 3.7 (4.7) P < 0.005

− 3.3 (3.8) P < 0.005

Participants who completed three sessions (N = 94)

Therapy 1

18.6 (3.6)

12.2 (6.0)

12.1 (5.6)

Therapy 2

20.0 (4.0)

8.4 (5.9)

8.9 (5.6)

Therapy 3

21.6 (5.4)

6.9 (6.0)

7.1 (5.5)

Change 1–3

3.0 (4.4) P < 0.005

− 5.3 (5.9) P < 0.005

− 5.1 (5.2) P < 0.005

Participants who completed four sessions (N = 63)

Therapy 1

18.6 (3.7)

12.2 (6.0)

12.8 (5.1)

Therapy 2

19.9 (3.5)

8.5 (5.7)

9.1 (5.5)

Therapy 3

21.2 (4.3)

7.1 (5.7)

7.3 (5.4)

Therapy 4

22.3 (4.4)

6.1 (5.0)

6.5 (5.1)

Change 1–4

3.7 (4.2) P < 0.005

− 5.9 (5.8) P < 0.005

− 6.1 (5.3) P < 0.005

Participants who completed five sessions (N = 34)

Therapy 1

18.8 (3.5)

13.0 (6.6)

13.1 (4.9)

Therapy 2

20.2 (4.1)

8.8 (6.7)

9.2 (5.5)

Therapy 3

21.7 (4.3)

7.2 (6.2)

7.5 (5.4)

Therapy 4

22.2 (4.0)

6.6 (5.1)

6.6 (5.1)

Therapy 5

23.4 (5.0)

6.3 (6.3)

6.1 (5.4)

Change 1–5

4.6 (4.4) P < 0.005

− 6.7 (6.3) P < 0.005

− 7.0 (5.9) P < 0.005