RR

RR (CI_95%)

p-value

Morpho-physicalfactors

Column curvatures abnormalities

Cervical

1.20

0.98 - 1.46

0.0810

Lumbar

1.38

1.09 - 1.76

0.0086

Bad muscular strength or endurance

Low back muscles

1.27

1.08 - 1.54

0.0054

Iliopsoas

1.34

1.14 - 1.57

0.0003

Muscular flexibility

Iliopsoas

1.51

1.13 - 2.00

0.0048

Hamstrings muscles

1.39

1.15 - 1.67

0.0006

Tensorfacialata

1.24

1.03 - 1.51

0.0259

No regular sport practice

23.89

1.57 - 361.70

0.0222

Bad relationship with hierarchical superiors

0.69

0.55 - 0.92

0.0106

Bad relationship with neighbors

1.21

1.04 - 1.41

0.0161

Overflow to work

1.51

1.16 - 1.98

0.0026