Perceptions of coastal dwellers about the effects of extreme temperature and saline water on human health: evidence from Bangladesh

BackgroundClimate change disproportionately affects coastal communities worldwide, increasing exposure to extreme temperature and saline water intrusion. Understanding these impacts is critical for public health planning and intervention. This study aims to examine the perceptions about the effects...

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Main Authors: Muhammad Zakaria, Rezaul Karim, Didar Islam, Md. Sarwar Ahmad, Mostak Ahammad, Feng Cheng, Junfang Xu
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-08-01
Series:Frontiers in Public Health
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Online Access:https://www.frontiersin.org/articles/10.3389/fpubh.2025.1451933/full
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author Muhammad Zakaria
Muhammad Zakaria
Rezaul Karim
Rezaul Karim
Didar Islam
Md. Sarwar Ahmad
Mostak Ahammad
Feng Cheng
Feng Cheng
Junfang Xu
author_facet Muhammad Zakaria
Muhammad Zakaria
Rezaul Karim
Rezaul Karim
Didar Islam
Md. Sarwar Ahmad
Mostak Ahammad
Feng Cheng
Feng Cheng
Junfang Xu
author_sort Muhammad Zakaria
collection DOAJ
description BackgroundClimate change disproportionately affects coastal communities worldwide, increasing exposure to extreme temperature and saline water intrusion. Understanding these impacts is critical for public health planning and intervention. This study aims to examine the perceptions about the effects of climate change-induced phenomena, specifically extreme temperature and water salinity, on the overall human health of coastal communities residing in Ramgati, Lakshmipur, Bangladesh.MethodsThe study adopted a quantitative research approach and utilized a cross-sectional survey design to gather data. The sample consisted of 391 participants (N = 391) residing in the coastal region of Ramgati. A structured questionnaire was employed to collect data. The gathered data were subjected to several bivariate analyses, including independent-sample t-tests, Pearson correlation analysis, and hierarchical regression analysis, using IBM SPSS version 24.0.ResultsParticipants exposed to higher extreme temperature reported their perceptions of various health effects, such as heat stroke, dengue epidemic, migraine and headache. Additionally, participants experiencing elevated water salinity reported different health effects, including hair loss, high blood pressure, diarrhea, maternal health problems, child development, and hindered child mental health development. Linear regression analysis revealed that participants’ age (β = 0.33, p < 0.001), gender (β = −0.16, p < 0.001), perceived risk of health diseases (β = 0.17, p < 0.001), high salinity in water (β = 0.15, p = 0.002), and high temperature (β = 0.25, p < 0.001) were significantly associated with the perception of health effects.ConclusionThis study highlights the importance of addressing key issues regarding the effects of extreme temperature and saline water on human health. Specifically, the study reports on access to clean drinking water, climate change adaptation strategies, health education and awareness, an integrated public health approach, and the needs of vulnerable populations, in order to mitigate the effects of climate change on human health living in the coastal areas.
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spelling doaj-art-c338bcbbd5764a01876482147f2c5b0f2025-08-20T03:16:12ZengFrontiers Media S.A.Frontiers in Public Health2296-25652025-08-011310.3389/fpubh.2025.14519331451933Perceptions of coastal dwellers about the effects of extreme temperature and saline water on human health: evidence from BangladeshMuhammad Zakaria0Muhammad Zakaria1Rezaul Karim2Rezaul Karim3Didar Islam4Md. Sarwar Ahmad5Mostak Ahammad6Feng Cheng7Feng Cheng8Junfang Xu9Department of Communication, Wayne State University, Detroit, MI, United StatesDepartment of Communication and Journalism, University of Chittagong, Chattogram, BangladeshDepartment of Communication and Journalism, University of Chittagong, Chattogram, BangladeshDepartment of Communication, Arizona State University, Tempe, AZ, United StatesDepartment of Geography and Planning, University of Saskatchewan, Saskatoon, SK, CanadaDepartment of Mass Communication and Journalism, Begum Rokeya University, Rangpur, BangladeshBangadesh Climate Change Journalists Forum (BCJF), Dhaka, BangladeshVanke School of Public Health, Tsinghua University, Beijing, ChinaInstitute for Healthy China, Tsinghua University, Beijing, ChinaSchool of Public Health, Zhejiang University School of Medicine, Hangzhou, ChinaBackgroundClimate change disproportionately affects coastal communities worldwide, increasing exposure to extreme temperature and saline water intrusion. Understanding these impacts is critical for public health planning and intervention. This study aims to examine the perceptions about the effects of climate change-induced phenomena, specifically extreme temperature and water salinity, on the overall human health of coastal communities residing in Ramgati, Lakshmipur, Bangladesh.MethodsThe study adopted a quantitative research approach and utilized a cross-sectional survey design to gather data. The sample consisted of 391 participants (N = 391) residing in the coastal region of Ramgati. A structured questionnaire was employed to collect data. The gathered data were subjected to several bivariate analyses, including independent-sample t-tests, Pearson correlation analysis, and hierarchical regression analysis, using IBM SPSS version 24.0.ResultsParticipants exposed to higher extreme temperature reported their perceptions of various health effects, such as heat stroke, dengue epidemic, migraine and headache. Additionally, participants experiencing elevated water salinity reported different health effects, including hair loss, high blood pressure, diarrhea, maternal health problems, child development, and hindered child mental health development. Linear regression analysis revealed that participants’ age (β = 0.33, p < 0.001), gender (β = −0.16, p < 0.001), perceived risk of health diseases (β = 0.17, p < 0.001), high salinity in water (β = 0.15, p = 0.002), and high temperature (β = 0.25, p < 0.001) were significantly associated with the perception of health effects.ConclusionThis study highlights the importance of addressing key issues regarding the effects of extreme temperature and saline water on human health. Specifically, the study reports on access to clean drinking water, climate change adaptation strategies, health education and awareness, an integrated public health approach, and the needs of vulnerable populations, in order to mitigate the effects of climate change on human health living in the coastal areas.https://www.frontiersin.org/articles/10.3389/fpubh.2025.1451933/fullclimate changeextreme temperaturewater salinityhealth effectscoastal area
spellingShingle Muhammad Zakaria
Muhammad Zakaria
Rezaul Karim
Rezaul Karim
Didar Islam
Md. Sarwar Ahmad
Mostak Ahammad
Feng Cheng
Feng Cheng
Junfang Xu
Perceptions of coastal dwellers about the effects of extreme temperature and saline water on human health: evidence from Bangladesh
Frontiers in Public Health
climate change
extreme temperature
water salinity
health effects
coastal area
title Perceptions of coastal dwellers about the effects of extreme temperature and saline water on human health: evidence from Bangladesh
title_full Perceptions of coastal dwellers about the effects of extreme temperature and saline water on human health: evidence from Bangladesh
title_fullStr Perceptions of coastal dwellers about the effects of extreme temperature and saline water on human health: evidence from Bangladesh
title_full_unstemmed Perceptions of coastal dwellers about the effects of extreme temperature and saline water on human health: evidence from Bangladesh
title_short Perceptions of coastal dwellers about the effects of extreme temperature and saline water on human health: evidence from Bangladesh
title_sort perceptions of coastal dwellers about the effects of extreme temperature and saline water on human health evidence from bangladesh
topic climate change
extreme temperature
water salinity
health effects
coastal area
url https://www.frontiersin.org/articles/10.3389/fpubh.2025.1451933/full
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