Table 1

Population characteristics and symptom prevalence in waste collectors and controls of four Dutch municipal waste facilities

CharacteristicsControlsWaste collectors
*p<0.05 χ2 test waste collectors v controls.
n1547
Age (y, mean(SD))36.4 (6.4)34.0 (10.2)
Duration of employment (months, median (25%–75%))78 (49–128)63 (6–155)
Employed<6 months (%)0.021.7*
Male (%)86.7100.0*
Current smoker (%)40.065.2