Table 4 Univariate logistic regressions with change in pain at 12-months, change in disability at 12-months and RTW within 12 months as outcome variables

Gender

1.29

0.82

2.04

.273

1.17

0.72

1.90

.534

0.99

0.60

1.63

.971

Age

0.97

0.95

0.99

.007**

0.98

0.96

1.00

.115*

0.97

0.94

0.99

,019*

Intervention

1.20

0.76

1.90

.425

1.03

0.63

1.68

.898

0.84

0.51

1.38

.489

Mother tongue

0.71

0.40

1.29

.266

0.55

0.28

1.09

.086*

1.02

0.53

1.94

.958

Lower education

REF

REF

REF

Medium education

1.44

0.71

2.93

.317

0.97

0.46

2.04

.937

0.75

0.34

1.66

,484

Higher education

1.37

0.63

2.95

.425

0.90

0.40

2.01

.793

0.99

0.42

2.34

,981

low skilled blue collar

REF

REF

REF

high skilled blue collar

0.95

0.44

2.03

.889

1.13

0.50

2.54

.771

0.80

0.34

1.86

.605

low skilled white collar

0.96

0.48

1.94

.915

0.78

0.37

1.67

.527

1.05

0.48

2.32

.903

high skilled white collar

0.97

0.47

2.00

.932

1.15

0.54

2.48

.714

0.78

0.35

1.74

.547

Improvement in FABQ-W^a

2.46

1.18

5.10

.016**

2.70

1.23

5.92

.013**

3.33

1.30

8.51

.012**

Improvement in FABQ-P^b

1.81

0.85

3.86

.125*

3.18

1.40

7.22

.006**

1.77

0.74

4.22

.196*

Derpession score at baseline

1.03

0.96

1.09

.420

0.99

0.93

1.06

.801

0.97

0.91

1.04

.357

Anxiety score at baseline

1.04

0.98

1.10

.220

,983

0.92

1.05

.603

0.93

0.87

0.99

.032**