Respiratory Disorders Related to e-Waste Exposure among Workers in the Informal Sector in a Sub-Saharan African City: An Exposed Nonexposed Study

Table 3

Respiratory symptoms reported by e-waste workers in the informal sector (exposed, ) compared to matched unexposed subjects () in Cotonou, Benin ().

	Unexposed, (%)	Exposed, (%)	value
Wheezing	6 (4.1)	9 (6.1)	0.427
Chest tightness	4 (2.7)	17 (11.8)	0.003
Cough	13 (8.8)	20 (13.5)	0.196
Breathlessness	2 (1.4)	10 (6.8)	0.018
At least one symptom	32 (21.6)	49 (33.1)	0.027