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Table 2 Meta-analytic results for relationships between psychosocial work factors and CLBP

From: Psychosocial areas of worklife and chronic low back pain: a systematic review and meta-analysis

Psychosocial factors

k

N

OR

95% CI

95% PI

Q(k-1)

p(Q)

I 2

LL

UL

LL

UL

Workload

14

14,964

1.32

1.20

1.46

1.20

1.46

13.04

.445

0.3

Job Control

 Combined

13

7635

0.81

0.70

0.94

0.59

1.34

38.56

<.001

68.9

 Decision Authority

8

4649

0.72

0.59

0.87

0.39

1.32

25.98

.001

73.1

 Skill Discretion

7

4868

0.85

0.70

1.04

0.46

1.56

19.91

.003

69.9

Social Support

 Combined

12

9043

0.77

0.65

0.90

0.46

1.28

32.09

.001

65.7

 Colleague

7

4975

0.75

0.61

0.93

0.40

1.40

17.88

.007

66.4

 Supervisor

8

8099

0.78

0.70

0.86

0.68

0.89

6.90

.440

<.01

Reward

2

1029

0.67

0.15

3.05

6.87

.009

85.4

  1. k Number of included studies, N Cumulated sample size, OR Mean sample size-weighted (pooled) odds ratio, LL Lower limit, UL Upper limit, CI Confidence interval, PI Prediction interval, Q Q-Statistics for heterogeneity and corresponding p(Q)-values, I2 Index of heterogeneity I2 (percent)