“…4. Occupational stressor questionnaire for truckers, designed specifically for this study based on the literature on stressors of these professionals (Cavagioni et al, 2009;Delfino & Moraes, 2015;Silva, Luz, Vasconcelos, Marqueze, & Moreno, 2016;Ulhôa et al (2010;Van der Beek, 2012). This has 14 items that evaluated the Infrastructure of the highways and the stops (road conditions, service stations, restroom conditions, place to eat), Insecurity (robberies and assault), Traffic (traffic jam, accidents) , Pollution (noise, environmental), Workday, Remuneration, Electronic control systems, and Operational support teams.…”