Risk factors for children's blood lead levels in one city of Jiangsu

XU Ning; YU Chuanchuan; LYU Xifang; DING Zhen; SUN Hong; WU Kang; ZHANG Yuqing; WANG Qiang

doi:10.16835/j.cnki.1000-9817.2021.09.005

Volume 42 Issue 9

Sep. 2021

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Article Navigation > CHINESE JOURNAL OF SCHOOL HEALTH > 2021 > 42(9): 1293-1296,1301

XU Ning, YU Chuanchuan, LYU Xifang, DING Zhen, SUN Hong, WU Kang, ZHANG Yuqing, WANG Qiang. Risk factors for children's blood lead levels in one city of Jiangsu[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2021, 42(9): 1293-1296,1301. doi: 10.16835/j.cnki.1000-9817.2021.09.005

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XU Ning, YU Chuanchuan, LYU Xifang, DING Zhen, SUN Hong, WU Kang, ZHANG Yuqing, WANG Qiang. Risk factors for children's blood lead levels in one city of Jiangsu[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2021, 42(9): 1293-1296,1301. doi: 10.16835/j.cnki.1000-9817.2021.09.005

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Risk factors for children's blood lead levels in one city of Jiangsu

doi: 10.16835/j.cnki.1000-9817.2021.09.005

1.
National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing(100050), China

Received Date: 2021-02-27
Rev Recd Date: 2021-07-20

Available Online: 2021-09-24

Publish Date: 2021-09-24

Abstract

Abstract

Objective To understand the level and risk factor of lead exposure among children in one city of Jiangsu. Methods In northern Jiangsu Province, 373 children from 2 primary schools were enrolled and were tested for blood lead and heavy metal exposure. Lead exposure was tested in household dust of 46 children. A multivariate Logistic regression was used for lead exposure risk analysis. Spatial distribution of lead contamination in household dust was conducted and compared with the location of industrial enterprises. Results The geometric mean of blood lead in 373 children was 25.80 mg/L, the blood lead of 3 children (0.8%) was more than 100 mg/L. Pencil biting (OR=4.26, 95%CI=1.61-10.68, P < 0.05) and lead contamination in surrounding environment (OR=2.93, 95%CI=1.24-7.34, P=0.02) was positively related to high blood lead level in children. The geometric mean household dust lead concentrations in 46 children was 302.27 μg/mg, and household with high dust lead levels were mainly located around manufacturing enterprises. Conclusion Environmental factors correlate with blood lead level in children. Efficient strategies and public health policies are urgently needed to control and prevent environmental lead pollution. Families and schools should actively carry out health education to engourage children good hygiene habits, and effectively reduce lead exposure.
- Lead,
- Environment,
- Regression analysis,
- Child

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References(24)

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