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Neurobehavioral effects associated with occupational exposure to low levels of lead were assessed in lead smelter and glass factory workers. The mean blood lead level in exposed lead smelter workers was 2.03 micromoles/liters (micromol/l) while that in the unexposed glass workers was 0.73micromol/l. Significant dose response relationships with blood lead concentrations were seen for mood states tension/anxiety, hostility, and depression profiles. Significant increases were seen in the frequency of anger, depression, fatigue, and joint pain in the lead exposed workers compared with the glass factory workers. The authors conclude that these data are consistent with those previously reported on the neurobehavioral effects of occupational lead exposure.
Occupational and Environmental Medicine, 52(6):408-414,1995. (27 references)
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