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

Table 5

Effect of estimated exposure to e-waste via handling work on FEV1 and FVC determined by multiple linear regression after adjustment on age, BMI, asthma history, and daily income in e-waste workers (exposed, ) compared to matched unexposed subjects () in Cotonou, Benin ().

	FEV1 (L)		FVC (L)
	β (95% CI)		β (95% CI)
Exposed to e-waste	-0.42 (-0.55; -0.29)	<0.001	-0.75 (-0.91; -0.60)	<0.001
Age	-0.03 (-0.04; -0.02)	<0.001	-0.03 (-0.04; -0.02)	<0.001
BMI	0.009 (-0.09; 0.03)	0.324	0.02 (0.006; 0.04)	0.044
Smoking habits	0.04 (-0.18; 0.25)	0.741	0.14 (-0.12; 0.41)	0.301
Asthma history	-0.02 (-0.34; 0.30)	0.901	0.06 (-0.32; 0.46)	0.728
Daily income ($)
<4	1		1
4-6	0.09 (-0.09; 0.29)	0.316	0.13 (-0.1; 0.4)	0.262
6-10	0.16 (-0.06; 0.39)	0.152	0.28 (0.06; 0.56)	0.045
>10	0.26 (0.03; 0.50)	0.024	0.34 (0.07; 0.62)	0.016

BMI: body mass index.