“…Such other factors may, for example, involve socio-economic, cultural, health-related or work-related factors. 3 Some of these, such as age, psychosocial risk factors (eg, job strain, social support, job security), and other health behaviors were controlled for in our mediation model and did not appear to influence the effect substantially. Still, some other factors could play a confounding or explanatory role, such as socio-economic or cultural aspects, but were not measured.…”