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目的 探讨化工作业女工子女出生身长的影响因素。方法 对某石化企业 5 72名孕妇进行回顾性流行病学调查 ,并采用 CART软件进行回归树分析。结果 暴露于苯系物的孕妇与对照组比较 ,其子代出生身长 ,差别具有显著性。孕妇苯系物暴露是影响新生儿出生身长的主要因素 ,而孕妇在家被动吸烟和倒班可使其子代出生身长比对照组短 ;而喝牛奶可以使女工子代的出生身长比对照组长。结论 早孕期妇女应避免接触苯系物
Objective To explore the influencing factors of the birth length of female chemical workers. Methods A retrospective epidemiological investigation was performed on 572 pregnant women in a petrochemical enterprise and regression analysis was carried out by CART software. Results Pregnant women exposed to benzene series compared with the control group, the offspring of their offspring length, the difference was significant. The exposure of pregnant women to benzene series is the main factor affecting the newborn’s length of birth, while pregnant women at home passive smoking and work shifts can make their offspring born shorter than the control group; and drinking milk can make female workers on behalf of the generation than the control group length. Conclusion Early pregnant women should avoid contact with benzene series