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Birthweight and environment at Tari.

Bryant J Allen1

  • 1Department of Human Geography, Research School of Pacific and Asian Studies, The Australian National University, Canberra, ACT, Australia.

Papua and New Guinea Medical Journal
|December 9, 2003
PubMed
Summary

Environmental quality significantly impacts birth weight in the Tari area. El Niño-Southern Oscillation (ENSO) events cause food shortages, leading to lower birth weights and increased low-weight births, even in optimal conditions.

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Health and the environment in the Tari area.

Papua and New Guinea medical journal·2003
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Area of Science:

  • Environmental science
  • Human nutrition
  • Public health

Background:

  • Birth weight is a critical indicator of infant health and development.
  • Environmental factors, including food availability and quality, can influence birth outcomes.
  • The Tari area's agricultural practices are closely tied to the staple food, sweet potato (Ipomoea batatas).

Purpose of the Study:

  • To analyze the relationship between environmental zones and birth weights in the Tari area.
  • To investigate the impact of food availability, influenced by environmental quality and El Niño-Southern Oscillation (ENSO) events, on birth weight.
  • To explore the role of women's agricultural work and nutritional status in determining birth outcomes.

Main Methods:

  • Analysis of birth weight data for 4767 children born between 1979 and 1986.
  • Categorization of children into seven environmental zones based on land quality for sweet potato production.
  • Correlation of birth weight variations with environmental quality, rainfall patterns, and ENSO events.

Main Results:

  • Significant variations in mean birth weight were observed across the seven environmental zones.
  • El Niño-Southern Oscillation (ENSO) events led to severe food shortages, decreasing mean birth weight by up to 285g.
  • Increased rates of low-weight births were recorded following ENSO-related food shortages, affecting even the best environments.

Conclusions:

  • Environmental quality and food security are critical determinants of birth weight in the Tari region.
  • El Niño-Southern Oscillation (ENSO) events pose a significant threat to infant health through food shortages and reduced birth weights.
  • Long-term health implications for children born under these conditions warrant further investigation and targeted interventions.

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