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Effects of temperature on hospitalisation among pre-school children in Hanoi, Vietnam

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Abstract

This study examined the effect of short-term changes in ambient temperature on hospital admissions among children aged less than 5 years old in Hanoi, Vietnam. Data on daily hospital admissions from January 2010 to June 2014 were collected from two hospitals. Daily meteorological data were obtained for the same period. We applied time series analysis to evaluate the risk of hospitalisation related to hot and cold weather by age and causes. We found that a 1 °C decrease in minimum temperature during the cold weather months was associated with 2.2% increase in hospital admission for respiratory infection among children 3–5 years old. A 1 °C increase in diurnal temperature range (DTR) in cold weather was associated with an increase of 1.9% and 1.7% in hospitalisation for all causes and respiratory infection, respectively, among children < 3 years old and an increase of 1.8% and 3.4% in hospitalisation for all causes and respiratory infection, respectively, among children of 3–5 years old. Negative associations between hot weather and hospital admissions were demonstrated. These findings suggested that low temperature and DTRs in winter are important risk factors for hospital admissions among children aged < 5 years old in Hanoi. Other factors may have modified the effect of high temperature on hospital admissions of children in Hanoi.

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Acknowledgments

LL is funded by an Australia Award Scholarship. DP is funded by a Griffith Postdoctoral Research Fellowship. PT was funded by a QUT VC Research Fellowship. PDS is funded by a NHMRC Senior Principal Research Fellowship. The authors would like to thank the staff of the Vietnam National Hospital of Paediatrics, especially Dr. Lien Nguyen, for providing the admission data. Thanks to Mr. Long Tran for providing the data on influenza and Mr. Chinh Pham for the map of meteorological monitoring stations and hospitals in Hanoi. The authors also thank the anonymous reviewer for the critical comments that helped to improve our paper.

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Authors and Affiliations

  1. Faculty of Medicine, The University of Queensland, Brisbane, Australia

    Ly M. T. Luong

  2. Children’s Health and Environment Program, The University of Queensland, Brisbane, Australia

    Ly M. T. Luong & Peter D. Sly

  3. Faculty of Environmental Sciences, VNU University of Science, Hanoi, Vietnam

    Ly M. T. Luong

  4. Centre for Environment and Population Health, Griffith University, Brisbane, Australia

    Dung Phung

  5. Department of Environmental Health, University of Medicine and Pharmacy, Ho Chi Minh, Vietnam

    Tran Ngoc Dang

  6. The Institute of Research and Development, Duy Tan University, Da Nang City, Vietnam

    Tran Ngoc Dang

  7. International Laboratory for Air Quality & Health, Queensland University of Technology, Brisbane, Australia

    Lidia Morawska & Phong K. Thai

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  1. Ly M. T. Luong
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  2. Dung Phung
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  3. Peter D. Sly
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  4. Tran Ngoc Dang
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  6. Phong K. Thai
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Correspondence to Dung Phung or Phong K. Thai.

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This study was approved by the National Hospital of Paediatrics, Biomedical Research Ethics Committee (NHP – RICH – 15 – 014) and UQ School of Medicine Low Risk Ethical Review Committee (no. 2016-SOMILRE-0155).

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Responsible editor: Philippe Garrigues

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Luong, L.M.T., Phung, D., Sly, P.D. et al. Effects of temperature on hospitalisation among pre-school children in Hanoi, Vietnam. Environ Sci Pollut Res 26, 2603–2612 (2019). https://doi.org/10.1007/s11356-018-3737-9

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