Table 2.

Brazilian studies of air pollution, categorized by type of study, study population, outcomes and effects found.

Type of study (n)	Study population (n)	Outcome (n)	Association (n)	Effects below the Brazilian limit (n)	Discussion on public policies for decreasing emissions	References
Case control (1)	Children (1)	Perinatal death	Yes	Not informed	Not informed	100
Panel (2)	Adults (1)	Blood pressure; carboxyhemoglobin	Yes for both	Yes (2)	Yes (1)	101 – 102
	Children (1)				No (1)
Time series (20)	Adults (7)	Respiratory diseases (14);	Yes (19)	Yes (18)	Yes (12)	103 - 123
	Children (11)	Pregnancy-related outcomes (2);	No (1)	No (2)	No (8)
	Elderly (2)	Cardiovascular diseases (4)
Cross-sectional (6)	Children (5)	Respiratory diseases (4)	Yes (5)	Yes (6)	Yes (3)	124 - 129
	All (1)	Child mortality (1)	No (1)		No (3)
		Pregnancy-related outcomes (1)

n  =  quantity.