Model

Non-standardized coefficients

Standardized coefficients

Significance

A

Standard Error

Bêta

Age

0.025

0.005

−0.382

0.000

BMI

−0.006

0.013

−0.029

0.002

Nomber of children

−0.53

0.034

−0.106

0.000

Grade

0.105

0.068

0.950

0.023

MSD’s of Upper limb

−0.005

0.031

−0.011

0.060

SF 12 physical score

0.006

0.006

0.072

0.001

Desire of an early retirement

0.280

0.131

0.148

0.031