“…Mental health problems, although a significant cause of work disability, were only addressed in two studies (30,31). Table 2 provides a description of study populations, the intervention comparisons and (19,20,22,23,26,28,(31)(32)(33)(34), manufacturing (24,(35)(36)(37)(38), energy (21,(39)(40)(41), education (42,43), finance (44,45), government (27,46), transport (16,29), construction (18), defense (25), retail (17), telecommunications (47), and multiple sectors (30,48,49). With the exception of influenza, no single intervention was consistently evaluated in the other subgroups of studies addressing the same health problem.…”