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Volume 19
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10.3390/ijerph19063425
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Article

Short- and Long-Term Effects of Drought on Selected Causes of Mortality in Northern Bangladesh

by
Intekhab Alam
1,
Shinji Otani
2,*,
Abir Nagata
3,
Mohammad Shahriar Khan
2,
Toshio Masumoto
1,
Hiroki Amano
1 and
Youichi Kurozawa
1
1
Division of Health Administration and Promotion, Department of Social Medicine, Faculty of Medicine, School of Medicine, Tottori University, Yonago 683-8503, Japan
2
International Platform for Dryland Research and Education, Tottori University, Yonago 680-0001, Japan
3
Department of Regenerative Dermatology, Graduate School of Medicine, Osaka University, Osaka 565-0871, Japan
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2022, 19(6), 3425; https://doi.org/10.3390/ijerph19063425
Submission received: 27 January 2022 / Revised: 1 March 2022 / Accepted: 8 March 2022 / Published: 14 March 2022
(This article belongs to the Topic Climate Change, Air Pollution, and Human Health)
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Abstract

Drought has exacerbated morbidity and mortality worldwide. Here, a time series study was conducted in northern Bangladesh to evaluate the impact of drought on selected causes of mortality during 2007–2017. Rainfall and temperature data from six meteorological stations were used to analyze drought and non-drought periods and to categorize mild, moderate, severe, and extreme drought based on the 3-month and 12-month Standardized Precipitation Index (SPI) and Standardized Precipitation Evaporation Index (SPEI). A generalized linear model with Poisson regression with log link, a negative binomial with log link, and a zero-inflated Poisson model were used to determine associations between drought severity and mortality. The SPI and SPEI produced slightly different analysis results. Compared with the SPEI, the SPI showed a stronger and more sensitive correlation with mortality. The relative risk for respiratory disease mortality was high, and Saidpur was the most vulnerable area. Health care expenditure was negatively associated with mortality. High temperatures during the drought period were associated with suicide-related mortality in Rajshahi. The impact of drought on mortality differed with small changes in climate. The findings of this study improve our understanding of the differences between the two most used drought indicators and the impact of drought on mortality.
Keywords: drought; public health; mortality; SPI; SPEI; SVRS drought; public health; mortality; SPI; SPEI; SVRS

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MDPI and ACS Style

Alam, I.; Otani, S.; Nagata, A.; Khan, M.S.; Masumoto, T.; Amano, H.; Kurozawa, Y. Short- and Long-Term Effects of Drought on Selected Causes of Mortality in Northern Bangladesh. Int. J. Environ. Res. Public Health 2022, 19, 3425. https://doi.org/10.3390/ijerph19063425

AMA Style

Alam I, Otani S, Nagata A, Khan MS, Masumoto T, Amano H, Kurozawa Y. Short- and Long-Term Effects of Drought on Selected Causes of Mortality in Northern Bangladesh. International Journal of Environmental Research and Public Health. 2022; 19(6):3425. https://doi.org/10.3390/ijerph19063425

Chicago/Turabian Style

Alam, Intekhab, Shinji Otani, Abir Nagata, Mohammad Shahriar Khan, Toshio Masumoto, Hiroki Amano, and Youichi Kurozawa. 2022. "Short- and Long-Term Effects of Drought on Selected Causes of Mortality in Northern Bangladesh" International Journal of Environmental Research and Public Health 19, no. 6: 3425. https://doi.org/10.3390/ijerph19063425

APA Style

Alam, I., Otani, S., Nagata, A., Khan, M. S., Masumoto, T., Amano, H., & Kurozawa, Y. (2022). Short- and Long-Term Effects of Drought on Selected Causes of Mortality in Northern Bangladesh. International Journal of Environmental Research and Public Health, 19(6), 3425. https://doi.org/10.3390/ijerph19063425

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