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      Association between short-term exposure of fine particulate matters and blood pressure in children and adolescents

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          Abstract

          Objective To evaluate the association of short-term fine particulate matters (PM2.5) exposure and blood pressure in children and adolescents.

          Methods A total of 144 813 junior and senior middle school students who participated in the physical examination in the 2017–2018 academic year in a northern city of China, with complete record of demographic characteristics, blood pressure and no history of heart and other important organ diseases were selected as the study subjects. Data on PM2.5 and other pollutants and meteorological data were obtained from the nearest air quality and meteorological monitoring stations of each schools. A generalized linear mixed effect model was used to analyze the association between short-term exposure of PM2.5 and blood pressure.

          Results The 6-day average concentration of PM2.5 (lag05) increased by 10 µg/m 3 was associated with an increase of 0.177(95% CI=0.148–0.207) mm Hg (1 mm Hg=0.133 kPa) in systolic blood pressure and 4.4% ( OR=1.044, 95% CI=1.030–1.058) increase of the prevalence of high systolic blood pressure. And it was also associated with −0.021 (95% CI=−0.040–0.002) mm Hg decrease in diastolic blood pressure, but had no significant correlation with the prevalence of high diastolic blood pressure. In general, a 10 µg/m 3 increase of PM2.5 was associated with 3.3% increase in the prevalence of high blood pressure ( OR=1.03, 95% CI=1.02–1.05), and difference of boys and girls were found in different lagged days ( P<0.05).

          Conclusion Short-term exposure of PM2.5 is associated with increased systolic blood pressure and prevalence of high blood pressure among children and adolescents. Attention should be paid to the prevention of short-term exposure of PM2.5 to protect the health of children and adolescents.

          Abstract

          【摘要】 目的 研究 PM2.5 短期暴露与儿童青少年血压的关联, 为综合保护儿童青少年的健康提供科学依据。 方法 选 择参加 2017—2018 学年某市中小学生健康体检中人口学特征和血压等资料完整且无心脏等重要脏器疾病史的 144 813 名 初一和高一年级学生为研究对象。从各学校附近的空气质量和气象监测站获取 PM2.5 等污染物及气象要素数据, 采用广 义线性混合效应模型, 分析 PM2.5 短期暴露与血压的关联。 结果 PM2.5 的 6 d 平均质量体积浓度 (lag05) 每增加 10 μg/m 3, 收缩压增加 0.177(95% CI=0.148~0.207) mm Hg (1 mm Hg=0.133 kPa), 收缩压偏高检出率增加 4.4% ( OR=44.95% CI=1.030~1.058), 舒张压降低−0.021(95% CI=−0.040~−0.002) mm Hg, 与舒张压偏高检出率关联无统计学意 义;总体上 PM2.5 每增加 10 μg/m 3, 可使血压偏高检出率增加 3.3% ( OR=1.03, 95% CI=1.02~1.05)。在体检当日至体检前 第 3~5 天 (lag3~lag5) 时, 男女生差异均有统计学意义( P 值均<0.05)。 结论 PM2.5 短期暴露与儿童青少年收缩压升高 以及血压偏高检出率的增加有关。应重视 PM2.5 短期暴露的防护, 保护儿童青少年的血压健康。

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          Author and article information

          Journal
          CJSH
          Chinese Journal of School Health
          Chinese Journal of School Health (China )
          1000-9817
          01 May 2021
          01 June 2021
          : 42
          : 5
          : 723-727
          Affiliations
          [1] 1School of Public Health/Institute of Child and Adolescent Health, Peking University, Beijing (100191), China
          Author notes
          Corresponding author: MA Jun, E-mail: majunt@ 123456bjmu.edu.cn
          Article
          j.cnki.1000-9817.2021.05.020
          10.16835/j.cnki.1000-9817.2021.05.020
          896344ed-65a6-4dc2-9a5c-fc4701d94514
          © 2021 Chinese Journal of School Health

          This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 Unported License (CC BY-NC 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. See https://creativecommons.org/licenses/by-nc/4.0/.

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          Self URI (journal-page): http://www.cjsh.org.cn
          Categories
          Journal Article

          Ophthalmology & Optometry,Pediatrics,Nutrition & Dietetics,Clinical Psychology & Psychiatry,Public health
          Blood pressure,Child,Adolescent,Environmental exposure,Growth and development

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