Table 2.

Statistical data of recycling workers and controls from five e-waste recycling sheltered workshops in Germany

Characteristics	Recycling workers (n = 51)	Controls (n = 20)	p value
Age in years
Range	24–76	27–59	0.22
Mean/median	46.2 / 49.0	50.6 / 54.5
	n (%)	n (%)
Sex
Female	4 (7.8)	5 (25.0)	0.13
Male	46 (90.2)	15 (75.0)
No answers	1 (2.0)	0
Work tasks
Flat screen dismantling	14 (27.5)	0	NA
Tube screen dismantling	24 (47.1)	0	NA
E-waste recycling	48 (94.1)	0	NA
Non-occupational factors
Dental amalgam fillings	23 (45.1)	7 (35.0)	0.59
Smoking
Smoker	29 (65.9)	4 (20.0)	0.008
Non-smoker	22 (43.1)	16 (80.0)
Fish consumption (last 48 h)	4 (7.8)	3 (15.0)	0.55
Frequency of fish consumption
1–2 times a week	26 (51.0)	7 (35.0)	0.04
1–3 times a month	18 (35.3)	13 (65.0)
Never	7 (13.9)	0

NA not available