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Air Quality, Atmosphere & Health

, Volume 11, Issue 6, pp 705–713 | Cite as

Impact of long-term exposure to local PM10 on children’s blood pressure: a Chinese national cross-sectional study

  • Qin Li
  • Yuming Guo
  • Jie-Yun Song
  • Yi Song
  • Jun Ma
  • Hai-Jun Wang
Article

Abstract

The evidence of the effect of long-term exposure to particulate matter with aerodynamic diameter ≤ 10 μm (PM10) on children’s blood pressure is insufficient. We collected the data of systolic and diastolic blood pressure (SBP and DBP) for 71,763 children aged 7 to 18 from 30 cities from 2010 Chinese National Survey on Students’ Construction and Health, and the data of local annual average concentrations of PM10, SO2, NO2, annual average of relative humidity, and ambient temperature from China Meteorological Administration and Ministry of Environment Protection of China. We used the generalized additive model (GAM) to estimate the associations between PM10 exposure and children’s blood pressure. We found that there was a distinct geographic variation in the annual average concentrations of PM10, ranging from 40 μg/m3 in Haikou to 155 μg/m3 in Lanzhou. After adjusting for individual characteristics, social economic conditions, ambient temperature, relative humidity, NO2, and SO2, we found that the increase of PM10 was associated with increase of SBP and DBP in Chinese children. A 100-μg/m3 increase of PM10 was associated with 0.88 mmHg (95% CI 0.71, 1.05) higher SBP and 0.91 mmHg (95% CI 0.77, 1.06) higher DBP (p < 0.001). Consistent associations of SBP or DBP with PM10 were found in both girls and boys. We also found a larger estimated effect of PM10 on SBP and DBP in overweight children than that in normal ones. Public health policy for improving the air quality could be helpful to protect children’s cardiovascular health.

Keywords

PM10 Blood pressure Children Long-term exposure 

Abbreviations

BP

Blood pressure

BMI

Body mass index

CNSSCH

Chinese National Survey on Students’ Constitution and Health

DALY

Disability adjusted life years

DBP

Diastolic blood pressure

SBP

Systolic blood pressure

GAM

Generalized additive model

PM

Particulate matter

PM10

Particulate matter with aerodynamic diameter ≤ 10 μm

Notes

Acknowledgements

We thank WK Liao, WH Xing, and X Zhang for their permission on accessing the data of 2010 CNSSCH. We also appreciate the participators of the survey for their cooperation.

Authors’ contributions

QL, YG, and HJW conceived the study and its design. QL performed the data analysis and drafted the initial manuscript. YG and HJW modified the manuscript. YS and JYS contributed to the data collection. JM contributed to obtain the permission on accessing the data and manuscript preparation. All authors read and approved the final manuscript.

Funding

Data collection was jointly supported by the Ministry of Education, General Administration of Sport, the Ministry of Health, State Ethnic Affairs Commission, Ministry of Science and Technology, and Ministry of Finance, People’s Republic of China. Data analyses of the present study were supported by grant from National Science Foundation of China (81573170). YG is supported by the Career Development Fellowship of Australian National Health and Medical Research Council (#APP1107107).

Compliance with ethical standards

Competing interests

The authors declare that they have no competing interest.

Ethics approval

The study project was approved by the Medical Research Ethics Committee of the University of Queensland (#2011001199).

Consent for publication

Not applicable.

Supplementary material

11869_2018_577_MOESM1_ESM.docx (17 kb)
ESM 1 (DOCX 17 kb)

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Copyright information

© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  • Qin Li
    • 1
  • Yuming Guo
    • 2
  • Jie-Yun Song
    • 1
  • Yi Song
    • 1
  • Jun Ma
    • 1
  • Hai-Jun Wang
    • 1
  1. 1.Institute of Child and Adolescent Health, School of Public HealthPeking UniversityBeijingChina
  2. 2.Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive MedicineMonash UniversityMelbourneAustralia

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