“…However, several independent communitybased studies carried out in distinct regions of Brazil, a country that have a large proportion of informal workers, consistently reported no differences between informal and formal workers with respect to mortality (Nobre, 2007;Waldvogel, 2003), cumulative incidence , or incidence density rate (Santana & Loomis, 2004) for occupational-related accidents. However, positive associations between informal jobs and mental disorders were estimated (Da Silva et al, 2006;Lurdermir & Mello-Franco 2002;Santana et al, 1997).…”