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Spatial modeling of child malnutrition attributable to drought in India

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International Journal of Public Health

Abstract

Objectives

Indian agriculture is mostly dependent on monsoon. Poor and irregular rainfall may result in crop failure and food shortage among the vulnerable population. This study examined the variations in drought condition and its association with under age 5 child malnutrition across the districts of India.

Methods

Using remote sensing and National Family Health Survey (NFHS-4) data, univariate Moran’s I and bivariate local indicator of spatial autocorrelation (LISA) maps were generated to assess the spatial autocorrelation and clustering. To empirically check the association, we applied multivariate ordinary least square and spatial autoregressive models.

Results

The study identified highly significant spatial dependence of drought followed by underweight, stunting, and wasting. Bivariate LISA maps showed negative spatial autocorrelation between drought and child malnutrition. Regression results suggest agricultural drought is substantially associated with stunting. An increasing value of drought showed statistical association with the decreasing (β = − 8.251; p value < 0.05) prevalence rate of child stunting across India.

Conclusions

This study provides evidence of child undernutrition attributable to drought condition, which will further improve the knowledge of human vulnerability and adaptability in the climatic context.

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Availability of data and materials

The NFHS-4 or DHS (2015–2016) survey data for India are publicly available free of charge and archived at https://www.dhsprogram.com/data/available-datasets.cfm. The metrological index data, SDCI was generated and archived athttps://mirador.gsfc.nasa.gov/ (TRMM 3B43); https://earthexplorer.usgs.gov/ (MOD13Q1 and MOD11A2).

Abbreviations

DEM:

Digital elevation model

FAO:

Food and Agricultural Organization

IPCC:

Intergovernmental panel on climate change

LISA:

Local indicator of spatial autocorrelation

LST:

Land surface temperature

MODIS:

Moderate resolution imaging spectroradiometer

NDVI:

Normalized Difference Vegetation Index

NFHS:

National family health survey

OLS:

Ordinary least squares

PCI:

Precipitation condition index

PoU:

Prevalence of undernutrition

SDCI:

Scaled drought condition index

SRTM:

Shuttle radar topography mission

TCI:

Temperature condition index

TRMM:

Tropical rainfall measuring mission

VCI:

Vegetation condition index

References

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Acknowledgements

The authors cordially acknowledge the editor and the reviewers for their valuable suggestions and comments. The authors are also thankful and acknowledge the language editorial support by Mr. Jahedar Rahaman Khan, WBCS, Executive (Retd.).

Funding

This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors.

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Correspondence to Subhojit Shaw.

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The authors declare that they have no conflict of interest.

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The analysis is based on secondary data available in public domain for research; thus, no approval was required from any institutional review board (IRB).

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Cite this article

Shaw, S., Khan, J. & Paswan, B. Spatial modeling of child malnutrition attributable to drought in India. Int J Public Health 65, 281–290 (2020). https://doi.org/10.1007/s00038-020-01353-y

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  • DOI: https://doi.org/10.1007/s00038-020-01353-y

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