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Table 2 Changes over time from baseline to 4- month follow-up

From: Work-focused cognitive behavioral intervention for psychological complaints in patients on sick leave due to work-related stress: Results from a randomized controlled trial

 

Baseline

  

0–4 months changes

Variable

M

sd

95%CI

M- change

95%CI

p-value

d

95%CI

PSS10 (range 0–40)

 Intervention group

23.08

6.34

21.43 to 24.73

−7.31

−8.95 to −5.66

0.000

−1.15

−1.41 to −0.89

 Control group A

21.76

6.28

20.07 to 23.45

−5.95

−7.71 to −4.18

0.000

−0.95

−1.23 to −0.67

 Control group B

21.91

6.28

20.01 to 23.80

−4.02

−5.94 to −2.10

0.000

−0.64

−0.95 to −0.33

 Effect I vs A

   

−1.36

−3.77 to 1.06

0.270

−0.21

−0.60 to 0 .17

 Effect I vs B

   

−3.29

−5.81 to −0.76

0.011

−0.52

−0.92 to −0.12

 Effect A vs B

   

−1.93

−4.54 to 0 .68

0.148

−0.31

−0.72 to 0.11

GHQ30 (0–30)

 Intervention group

19.49

7.48

17.57 to 21.41

−12.60

−14.87 to −10.32

0.000

−1.68

−1.99 to −1.38

 Control group A

18.07

7.46

16.09 to 20.06

−11.48

−13.91 to −9.06

0.000

−1.54

−1.87 to −1.21

 Control group B

18.60

7.45

16.35 to 20.85

−10.39

−13.05 to −7.73

0.000

−1.40

−1.75 to −1.04

 Effect I vs A

   

−1.11

−4.44 to 2.21

0.512

−0.15

−0.59 to 0.30

 Effect I vs B

   

−2.21

−5.71 to 1.29

0.217

−0.30

−0.76 to 0.17

 Effect A vs B

   

−1.09

−4.70 to 2.51

0.552

−0.15

−0.63 to 0.34

BNSQ (range 5–25)

 Intervention group

17.08

4.14

16.00 to 18.17

−3.68

−4.83 to −2.53

0.000

−0.89

−1.17 to −0.61

 Control group A

16.87

4.13

15.8 to 17.97

−2.86

−4.08 to −1.65

0.000

−0.69

−0.99 to −0.40

 Control group B

17.20

4.12

15.96 to 18.45

−3.02

−4.36 to −1.68

0.000

−0.73

−1.06 to −0.41

 Effect I vs A

   

−0.82

−2.49 to 0 .85

0.337

−0.20

−0.60 to 0.21

 Effect I vs B

   

−0.66

−2.42 to 1.11

0.464

−0.16

−0.59 to 0.27

 Effect A vs B

   

0.16

−1.65 to 1.97

0.863

0.04

−0.40 to 0.48

CFQ-Memory (0–28)

 Intervention group

10.44

5.01

9.14 to 11.74

−2.80

−3.92 to −1.68

0.000

−0.56

−0.78 to 0.33

 Control group A

10.42

4.96

9.09 to 11.74

−1.55

−2.76 to −0.35

0.011

−0.31

−0.56 to −0.07

 Control group B

10.59

4.93

9.1 to 12.08

−0.54

−1.87 to 0.79

0.425

−0.11

−0.38 to 0.16

  Effect I vs A

   

−1.25

−2.89 to 0.40

0.138

−0.25

−0.58 to 0.08

  Effect I vs B

   

−2.26

−4.00 to −0.52

0.011

−0.45

−0.80 to −0.10

 Effect A vs B

   

−1.01

−2.81 to 0.78

0.268

−0.20

−0.57 to 0.16

CFQ-Distractions (0–36)

 Intervention group

19.68

6.06

18.11 to 21.26

−3.83

−5.26 to −2.41

0.000

−0.63

−0.87 to −0.40

 Control group A

21.22

6.01

19.62 to 22.83

−3.93

−5.44 -2.42

0.000

−0.65

−0.91 to −0.40

 Control group B

20.26

5.98

18.45 to 22.07

−2.95

−4.60 to −1.29

0.000

−0.49

−0.77 to −0.22

 Effect I vs A

   

0.10

−1.98 to 2.18

0.926

0.02

−0.33 to 0.36

 Effect I vs B

   

−0.89

−3.07 to 1.30

0.427

−0.15

−0.51 to 0.22

 Effect A vs B

   

−0.98

−3.23 to 1.26

0.390

−0.16

−0.54 to 0.21

  1. Effect sizes are depicted using Cohen’s d (standardized mean difference). PSS perceived stress scale, GHQ general health questionnaire, BNSQ basic Nordic sleep questionnaire, CFQ cognitive failures questionnaire, SD standard deviation, CI confidence interval, M mean