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Indoor air pollution-related acute lower respiratory infections and low birthweight: a systematic review

Puneet Misra1, Rahul Srivastava, Anand Krishnan

  • 1Centre for Community Medicine, All India Institute of Medical Sciences, New Delhi, India.

Journal of Tropical Pediatrics
|May 5, 2012
PubMed

Insights

Indoor air pollution (IAP) significantly increases the risk of acute lower respiratory infection (ALRI) and low birthweight (LBW) in children under five. This review confirms strong evidence linking IAP to these adverse health outcomes.

Area of Science:

  • Environmental Health
  • Pediatrics
  • Public Health

Background:

  • Indoor air pollution (IAP) is a significant environmental health concern.
  • IAP exposure is linked to various adverse health outcomes in children.
  • Understanding the quantitative association between IAP and specific childhood illnesses is crucial for public health interventions.

Purpose of the Study:

  • To conduct a systematic review and meta-analysis.
  • To establish a quantitative association between IAP and acute lower respiratory infection (ALRI) in children under 5.
  • To determine the link between IAP and low birthweight (LBW).

Main Methods:

  • Systematic review of 24 articles on ALRI and 7 articles on LBW in under-5 children.
  • Meta-analysis performed on 9 articles for ALRI and 6 articles for LBW.
  • Quantitative assessment of the association between IAP exposure and health outcomes.

Main Results:

  • Sixteen studies showed significantly elevated odds ratios (1.38-6.0) for ALRI associated with IAP exposure.
  • Studies reported a significantly increased risk of LBW due to IAP (range: 1.1-1.86).
  • The risk of ALRI increased 2.51-fold and LBW risk increased 1.45-fold with IAP exposure.

Conclusions:

  • The review provides strong evidence confirming the association between IAP and ALRI in children.
  • Significant links were found between IAP and LBW.
  • Findings reinforce previous reviews and highlight IAP as a critical risk factor for childhood respiratory infections and low birthweight.
Abstract

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