A Review of the Epidemiological Methods Used to Investigate the Health Impacts of Air Pollution around Major Industrial Areas

Table 7

Studies investigating mental health.

Reference	Country	Industries	Health Outcome	Method	Exposure assessment
Bush et al., 2001 [74]	United Kingdom	Teeside	Stigma	5000 questionnaires + 41 interviews	Distance (three areas at 1.5, 7, and 8 km)
Downey and Van Willigen, 2005 [73]	United States	Industries in the Toxic Release Inventory	Psychological distress (depression), perceived disorders	1210 questionnaires	Distance, visual exposure
Boardman et al., 2008 [72]	United States	Industries in the Toxic Release Inventory	psychological distress (K6 scale)	1139 questionnaires	Distance, visual exposure