Population mobility change for controlling the transmission of COVID-19: mobile phone data analysis in nine cities of China

ABSTRACTMobility restriction measures were the main tools to control the spread of COVID-19, but the extent to which the mobility has decreased remained unsure. We investigated the change in local population mobility and its correlation with COVID-19 infections, using 1185 billion aggregated mobile...

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Main Authors: Jizhe Xia, Taicheng Li, Zhaoyang Yu, Erzhen Chen, Yang Yue, Zhen Li, Ying Zhou
Format: Article
Language:English
Published: Taylor & Francis Group 2023-10-01
Series:Geo-spatial Information Science
Subjects:
Online Access:https://www.tandfonline.com/doi/10.1080/10095020.2023.2246506
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author Jizhe Xia
Taicheng Li
Zhaoyang Yu
Erzhen Chen
Yang Yue
Zhen Li
Ying Zhou
author_facet Jizhe Xia
Taicheng Li
Zhaoyang Yu
Erzhen Chen
Yang Yue
Zhen Li
Ying Zhou
author_sort Jizhe Xia
collection DOAJ
description ABSTRACTMobility restriction measures were the main tools to control the spread of COVID-19, but the extent to which the mobility has decreased remained unsure. We investigated the change in local population mobility and its correlation with COVID-19 infections, using 1185 billion aggregated mobile phone data records in nine main cities in China from 10 January to 24 February 2020. The mobility fell by as much as 79.57% compared to the normal days in 2020 and by 58.13% compared to the same lunar period in 2019. The daily incidence of COVID-19 was significantly correlated with local daily mobility (R2 = 0.77, P < 0.001). The instantaneous reproduction number R(t) declined by 3% when mobility was reduced by 10% in the GLM analysis (P < 0.05). Our study indicated that the decreased mobility level, driven by a mixture effect of holiday and public health interventions, could substantially reduce the transmission of COVID-19 to a low level. Our study could provide evidence of mobility restriction to control local transmission for other places facing COVID-19 outbreaks or potential next waves.
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spelling doaj.art-91438a60a2e1427d83f6a36b0ec6b6922024-02-14T12:14:19ZengTaylor & Francis GroupGeo-spatial Information Science1009-50201993-51532023-10-0126462764110.1080/10095020.2023.2246506Population mobility change for controlling the transmission of COVID-19: mobile phone data analysis in nine cities of ChinaJizhe Xia0Taicheng Li1Zhaoyang Yu2Erzhen Chen3Yang Yue4Zhen Li5Ying Zhou6Shenzhen Key Laboratory of Spatial Smart Sensing and Service, Guangdong Key Laboratory of Urban Informatics, Guangdong–Hong Kong-Macau Joint Laboratory for Smart Cities, Ministry of Natural Resources (MNR) Key Laboratory for Geo-Environmental Monitoring of Great Bay Area, School of Architecture and Urban Planning, Shenzhen University, Shenzhen, ChinaShenzhen Key Laboratory of Spatial Smart Sensing and Service, Guangdong Key Laboratory of Urban Informatics, Guangdong–Hong Kong-Macau Joint Laboratory for Smart Cities, Ministry of Natural Resources (MNR) Key Laboratory for Geo-Environmental Monitoring of Great Bay Area, School of Architecture and Urban Planning, Shenzhen University, Shenzhen, ChinaShenzhen Key Laboratory of Spatial Smart Sensing and Service, Guangdong Key Laboratory of Urban Informatics, Guangdong–Hong Kong-Macau Joint Laboratory for Smart Cities, Ministry of Natural Resources (MNR) Key Laboratory for Geo-Environmental Monitoring of Great Bay Area, School of Architecture and Urban Planning, Shenzhen University, Shenzhen, ChinaRuijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, ChinaShenzhen Key Laboratory of Spatial Smart Sensing and Service, Guangdong Key Laboratory of Urban Informatics, Guangdong–Hong Kong-Macau Joint Laboratory for Smart Cities, Ministry of Natural Resources (MNR) Key Laboratory for Geo-Environmental Monitoring of Great Bay Area, School of Architecture and Urban Planning, Shenzhen University, Shenzhen, ChinaWenzhou Institute of Geotechnical Investigation and Surveying, Wenzhou, ChinaRuijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, ChinaABSTRACTMobility restriction measures were the main tools to control the spread of COVID-19, but the extent to which the mobility has decreased remained unsure. We investigated the change in local population mobility and its correlation with COVID-19 infections, using 1185 billion aggregated mobile phone data records in nine main cities in China from 10 January to 24 February 2020. The mobility fell by as much as 79.57% compared to the normal days in 2020 and by 58.13% compared to the same lunar period in 2019. The daily incidence of COVID-19 was significantly correlated with local daily mobility (R2 = 0.77, P < 0.001). The instantaneous reproduction number R(t) declined by 3% when mobility was reduced by 10% in the GLM analysis (P < 0.05). Our study indicated that the decreased mobility level, driven by a mixture effect of holiday and public health interventions, could substantially reduce the transmission of COVID-19 to a low level. Our study could provide evidence of mobility restriction to control local transmission for other places facing COVID-19 outbreaks or potential next waves.https://www.tandfonline.com/doi/10.1080/10095020.2023.2246506COVID-19mobile phonepopulation mobilitylocal transmission
spellingShingle Jizhe Xia
Taicheng Li
Zhaoyang Yu
Erzhen Chen
Yang Yue
Zhen Li
Ying Zhou
Population mobility change for controlling the transmission of COVID-19: mobile phone data analysis in nine cities of China
Geo-spatial Information Science
COVID-19
mobile phone
population mobility
local transmission
title Population mobility change for controlling the transmission of COVID-19: mobile phone data analysis in nine cities of China
title_full Population mobility change for controlling the transmission of COVID-19: mobile phone data analysis in nine cities of China
title_fullStr Population mobility change for controlling the transmission of COVID-19: mobile phone data analysis in nine cities of China
title_full_unstemmed Population mobility change for controlling the transmission of COVID-19: mobile phone data analysis in nine cities of China
title_short Population mobility change for controlling the transmission of COVID-19: mobile phone data analysis in nine cities of China
title_sort population mobility change for controlling the transmission of covid 19 mobile phone data analysis in nine cities of china
topic COVID-19
mobile phone
population mobility
local transmission
url https://www.tandfonline.com/doi/10.1080/10095020.2023.2246506
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