Table 2: Characteristics of Relevant Studies Included in Synthesis
Citation	Quality Score	Total Studies Included	Relevant Studies	Occupation/Industry
Bond, 2006	77% (Medium)	6 studies	4	Not Reported
Brewer, 2007	100% (High)	46	46	Office, researchers, construction workers, insurance office, national laboratory (professional/scientific/technical services), nurses and health care specialists, university, postal, engineers, telemarketers, reservation agents, revenue services, city administration, nursing aides (geriatric hospital), shipyard (assembly and boiler shop), office, auto manufacturing, driver (trucking), supermarket and merchandise, factories (metal/construction/ceramic/wood workers), timber (fellers etc), electric company, hospital, home care workers, airport, blue collar, white collar, mining, sanitation, police, food service companies, nursing schools, maintenance/repair, food processing plant, hospital cleaning staff, copper-smelter workers, software workers
Cancelliere, 2011	100% (High)	14	14	Not Reported
Carroll, 2010	92% (High)	13 (12 articles)	13	Not Reported
Corbière, 2009	92% (High)	24	11	Staff working with developmental disabilities, customer service representatives, industrial employees, caregivers, nurses, post office employees, dentists, orderlies, health care workers, pharmaceutical company employees; health care, customer services, municipal employees, industrial
Dick, 2011	92% (High)	28	7	Not Reported
Franche, 2005	85% (High)	10	10	Not Reported
Pearson, 2007	77% (Medium)	44	2	Nurses
Richardson, 2008	92% (High)	36 studies (38 articles)	11 articles	Office workers, teachers, nurses, hospital staff, factory workers, maintenance personnel, social services staff
Shaw, 2008	54% (Low)	22 (51 articles)	21	Hospital workers, airline workers, university workers, federal government workers, glass workers, bank employees, and others; Health care, aviation, education, government, and others