Furthermore, we assessed effect modification and confounding
(Table 3). We found no significant effect modifiers
for any of the three exposures. There were three
important confounders for the association between LBDQ
C and JAS: disability management policies, country of
residence,
1
and LBDQ IS. Important confounders forLBDQ IS included LBDQ C, heavy physical work score,
long lasting postures and repetitive movements, and education.
Important confounders for autonomy included
workplace social capital and country of residence