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

Table 2

Comparative baseline characteristic of e-waste workers in informal recycling sector (exposed group, ) and matched unexposed subjects () in Cotonou, Benin ().

	Unexposed, (%)	Exposed, (%)	All, (%)	value
Daily income ($)				0.007
<4	29 (22.7)	19 (13.4)	48 (17.8)
4-6	47 (36.7)	69 (48.6)	116 (43.0)
6-10	17 (13.3)	31 (21.8)	48 (17.8)
>10	35 (27.3)	23 (16.2)	58 (21.5)
Nutritional status				0.478
Undernutrition	5 (3.4)	6 (4.1)	11 (3.7)
Normal	99 (67.8)	111 (75.0)	210 (71.4)
Overweight	30 (20.6)	23 (15.5)	53 (18.0)
Obesity	12 (8.2)	8 (5.4)	20 (6.8)
Current smoking	3 (2.0)	23 (15.5)	26 (8.8)	<0.001
History of asthma	9 (6.1)	4 (2.7)	13 (4.40)	0.156
History of tuberculosis	1 (0.7)	0 (0)	1 (0.3)	0.316

Nutritional status was assessed with body mass index (BMI) in kg/m² calculated as weight/(height)²; , undernutrition; ≤18.5 and<25, normal; ≥25 and<30, overweight; ≥30, obesity. Smoking history in the past 30 days.