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Effects of indoor air pollution on lung function of primary school children in Kuala Lumpur

B H Azizi1, R L Henry

  • 1Department of Paediatrics, Faculty of Medicine, National University of Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur.

Pediatric Pulmonology
|January 1, 1990
PubMed

Insights

Childhood lung function in Kuala Lumpur is influenced by height, weight, age, and sex. Asthma and exposure to secondhand smoke significantly impair lung capacity, particularly FEF25-75.

Area of Science:

  • Pediatric Pulmonology
  • Environmental Health
  • Epidemiology

Background:

  • Assessing lung function in children is crucial for understanding respiratory health.
  • Environmental and host factors can significantly impact pediatric lung development and performance.

Purpose of the Study:

  • To evaluate lung function parameters in primary school children in Kuala Lumpur.
  • To identify predictors of lung function, including anthropometric, ethnic, and environmental factors.
  • To investigate the association between asthma, secondhand smoke exposure, and lung function.

Main Methods:

  • Cross-sectional study involving 1,214 children (spirometry) and 1,414 children (peak expiratory flow).
  • Measurements included forced vital capacity (FVC), forced expiratory volume in one second (FEV1), FEF25-75, and PEFR.
  • Multiple regression models analyzed predictors and associations with host and environmental factors.

Main Results:

  • Standing height, weight, age, and sex were primary predictors of lung function.
  • Asthma was linked to reduced FEV1, FEF25-75, and PEFR.
  • Exposure to secondhand smoke (shared rooms with smokers) correlated with lower FEF25-75.
  • Wood/kerosene stove exposure showed association with decreased lung function, unlike mosquito repellents.

Conclusions:

  • Childhood lung function is influenced by a combination of physical characteristics and environmental exposures.
  • Asthma and passive smoking are significant detrimental factors for lung health in children.
  • Further research into specific environmental exposures like indoor air pollutants is warranted.

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