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Investigation on the effect of environmental factors on the pattern of Covid-19 cases in Selangor, Malaysia / Norezuan Abdul Gani

This study examines the significant role of environmental factors in shaping the pattern of COVID-19 cases during the global pandemic. Specifically, it investigates the effects of temperature, relative humidity, wind speed, rainfall amount, and population density on the transmission and distribution...

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Main Author: Abdul Gani, Norezuan
Format: Thesis
Language:English
Published: 2023
Subjects:
Public health. Hygiene. Preventive Medicine
Online Access:https://ir.uitm.edu.my/id/eprint/91119/1/91119.pdf
https://ir.uitm.edu.my/id/eprint/91119/
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spelling my.uitm.ir.911192024-07-22T04:43:09Z https://ir.uitm.edu.my/id/eprint/91119/ Investigation on the effect of environmental factors on the pattern of Covid-19 cases in Selangor, Malaysia / Norezuan Abdul Gani Abdul Gani, Norezuan Public health. Hygiene. Preventive Medicine This study examines the significant role of environmental factors in shaping the pattern of COVID-19 cases during the global pandemic. Specifically, it investigates the effects of temperature, relative humidity, wind speed, rainfall amount, and population density on the transmission and distribution of COVID-19 cases. The analysis focuses on the Selangor region, comparing confirmed cases from October 1, 2020, to October 30, 2021. Using the Global-Moran Index and Geographic Information System (GIS), the study identifies hotspot and cold spot areas at the district level, revealing spatial clusters of COVID-19 cases. Hotspots are predominantly found in high-density areas, while cold spots are concentrated in low-density areas. The study further examines the duration of the spread and decay stages using the Spearman rank correlation coefficient and the bell-shaped model method. The analysis indicates variability within hotspot areas, with adjusted R2 values of 0.32 and 0.18 for the spread and decay stages, respectively, highlighting the influence of population density. Employing the general additive model (GAM), the study explores the relationship between environmental factors and COVID-19 transmission. The findings demonstrate the statistical significance (p < 0.05) of all factors in relation to COVID-19 cases. Average temperature and humidity exhibit an S-shaped exposure response relationship, with COVID-19 cases peaking within the range of 25°C to 30°C. Conversely, wind speed, rainfall, and the index of wind effect (K) display a linear decreasing relationship with COVID-19 cases, suggesting a negative association. The study also identifies a significant linear increasing relationship between the Temperature Humidity Index (THI) and COVID-19 cases. Overall, this investigation highlights the critical role of environmental factors in shaping the pattern of COVID-19 cases in Selangor. Understanding these factors can inform effective strategies and interventions to mitigate the impact of the virus. 2023 Thesis NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/91119/1/91119.pdf Investigation on the effect of environmental factors on the pattern of Covid-19 cases in Selangor, Malaysia / Norezuan Abdul Gani. (2023) Masters thesis, thesis, Universiti Teknologi MARA (UiTM). <http://terminalib.uitm.edu.my/91119.pdf>
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic Public health. Hygiene. Preventive Medicine
spellingShingle Public health. Hygiene. Preventive Medicine
Abdul Gani, Norezuan
Investigation on the effect of environmental factors on the pattern of Covid-19 cases in Selangor, Malaysia / Norezuan Abdul Gani
description This study examines the significant role of environmental factors in shaping the pattern of COVID-19 cases during the global pandemic. Specifically, it investigates the effects of temperature, relative humidity, wind speed, rainfall amount, and population density on the transmission and distribution of COVID-19 cases. The analysis focuses on the Selangor region, comparing confirmed cases from October 1, 2020, to October 30, 2021. Using the Global-Moran Index and Geographic Information System (GIS), the study identifies hotspot and cold spot areas at the district level, revealing spatial clusters of COVID-19 cases. Hotspots are predominantly found in high-density areas, while cold spots are concentrated in low-density areas. The study further examines the duration of the spread and decay stages using the Spearman rank correlation coefficient and the bell-shaped model method. The analysis indicates variability within hotspot areas, with adjusted R2 values of 0.32 and 0.18 for the spread and decay stages, respectively, highlighting the influence of population density. Employing the general additive model (GAM), the study explores the relationship between environmental factors and COVID-19 transmission. The findings demonstrate the statistical significance (p < 0.05) of all factors in relation to COVID-19 cases. Average temperature and humidity exhibit an S-shaped exposure response relationship, with COVID-19 cases peaking within the range of 25°C to 30°C. Conversely, wind speed, rainfall, and the index of wind effect (K) display a linear decreasing relationship with COVID-19 cases, suggesting a negative association. The study also identifies a significant linear increasing relationship between the Temperature Humidity Index (THI) and COVID-19 cases. Overall, this investigation highlights the critical role of environmental factors in shaping the pattern of COVID-19 cases in Selangor. Understanding these factors can inform effective strategies and interventions to mitigate the impact of the virus.
format Thesis
author Abdul Gani, Norezuan
author_facet Abdul Gani, Norezuan
author_sort Abdul Gani, Norezuan
title Investigation on the effect of environmental factors on the pattern of Covid-19 cases in Selangor, Malaysia / Norezuan Abdul Gani
title_short Investigation on the effect of environmental factors on the pattern of Covid-19 cases in Selangor, Malaysia / Norezuan Abdul Gani
title_full Investigation on the effect of environmental factors on the pattern of Covid-19 cases in Selangor, Malaysia / Norezuan Abdul Gani
title_fullStr Investigation on the effect of environmental factors on the pattern of Covid-19 cases in Selangor, Malaysia / Norezuan Abdul Gani
title_full_unstemmed Investigation on the effect of environmental factors on the pattern of Covid-19 cases in Selangor, Malaysia / Norezuan Abdul Gani
title_sort investigation on the effect of environmental factors on the pattern of covid-19 cases in selangor, malaysia / norezuan abdul gani
publishDate 2023
url https://ir.uitm.edu.my/id/eprint/91119/1/91119.pdf
https://ir.uitm.edu.my/id/eprint/91119/
_version_ 1806422078669193216
score 13.211869

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