Background: Dockers in the port facilities are exposed to significant psychosocial risks (stress, suffering at work, etc.) (39.7% vs. 27%; p = 0.002), snuff tobacco (12.5% vs. 4.6%; p = 0.001), hookah (7.6% vs. 2%; p = 0.001), cannabis smoking (20.6% vs. 4.5%; p = 0.001) and alcohol consumption (22.3% vs. 14.3%; p = 0.019