Table 3 Change scores and between-group effect sizes and SRMs for intervention effects

MBSR trial 1 (N = 35)

 FSI Total

2.31 (1.26)

− 0.31 (1.09)

1.51

2.22

 FSI Severity

2.21 (1.41)

− 0.47 (1.20)

1.80

2.04

 FSI-Interference

2.31 (1.55)

− 0.18 (1.46)

1.20

1.66

 FSI-3

2.74 (1.48)

− 0.61 (1.80)

1.61

2.04

 SF-36 Vitality

− 18.28 (15.47)

− 1.29 (12.56)

− 0.93

− 1.20

MBSR trial 2 (N = 71)

 FSI Total

1.92 (1.86)

1.58 (1.63)

0.23

0.20

 FSI Severity

1.43 (2.01)

1.38 (1.92)

0.04

0.03

 FSI-Interference

2.22 (2.07)

1.69 (1.94)

0.29

0.26

 FSI-3

2.22 (2.05)

1.70 (2.03)

0.30

0.25

 SF-36 Vitality

− 21.51 (19.29)

− 10.00 (13.49)

− 0.78

− 0.69

BEAT Cancer trial (N = 222)

 FSI Total

0.55 (1.49)

− 0.02 (1.53)

0.31

0.38

 FSI Severity

0.49 (1.81)

0.05 (1.63)

0.23

0.25

 FSI-Interference

0.58 (1.59)

− 0.09 (1.75)

0.33

0.40

 FSI-3

0.65 (1.80)

− 0.02 (1.84)

0.30

0.37

 SF-36 Vitality

− 11.61 (18.44)

0.21 (17.29)

− 0.58

− 0.66