This study anyzed the concentration of the lead in blood (n=774) frorn May, 2007 to Oct 2007. The su이ect was residents in G, Y, H industrial area, Jeol1anam-do, in which exposure to the lead is expected due to the adjacency of the industrial cornplex. As to the lead concentration in the blood of the residents in the whole exposed region and the corn paring regíon, 2.81dl ín the expos regíon group, and 2.86 dl ín the cornparing region group Respectívely, which índícates that the concentratÍon of the cornparing group was higher thal1 that of the exposed group. The geornetric rri11 concentratíon of lead ín blood was 3.26 μgldl as to men, and 2.46 μg/dl as to women, which indícates that the concentration of men is higher than that of women (p<O.Ol). le lead concentratíon for each age group increased ín proportion to age except ose under 10 for some substances (p<O.Ol). As to geometric mn concentration ín blood according to the smoking hístory of the subject, the concentratíon of the smoking group and the non-smoking group was 3.57 μg/dl and 2.66 μgldl respectívely, which indicates the former is hígher than the latter (p<0.0l). To clarify the factors affectíng the heavy metal concentration in blood among the subjects, the multiple regression analysis was conducted. As a result, it turned out that as to lead content ín blood, gender, age, smokingg all aff.εct the lead concentratÍon of the subjects (R2=23.3%).
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