A systematic review of the modifiable areal unit problem (MAUP) in community food environmental research

X Chen, X Ye, MJ Widener, E Delmelle, MP Kwan… - Urban Informatics, 2022 - Springer
Geospatial models can facilitate the delineation of food access patterns, which is particularly
relevant for urban planning and health policymaking. Because community food …

Systematic review of best practices for GPS data usage, processing, and linkage in health, exposure science and environmental context research

AL Pearson, C Tribby, CD Brown, JA Yang, K Pfeiffer… - BMJ open, 2024 - bmjopen.bmj.com
Global Positioning System (GPS) technology is increasingly used in health research to
capture individual mobility and contextual and environmental exposures. However, the tools …

Assessing mobility-based real-time air pollution exposure in space and time using smart sensors and GPS trajectories in Bei**g

J Ma, Y Tao, MP Kwan, Y Chai - Smart spaces and places, 2021 - taylorfrancis.com
Using real-time data from portable air pollutant sensors and smartphone Global Positioning
System trajectories collected in Bei**g, China, this study demonstrates how smart …

Measuring environmental exposures in people's activity space: The need to account for travel modes and exposure decay

L Wei, MP Kwan, R Vermeulen… - Journal of exposure …, 2023 - nature.com
Background Accurately quantifying people's out-of-home environmental exposure is
important for identifying disease risk factors. Several activity space-based exposure …

How neighborhood effect averaging might affect assessment of individual exposures to air pollution: A study of ozone exposures in Los Angeles

J Kim, MP Kwan - Annals of the American Association of …, 2021 - Taylor & Francis
The neighborhood effect averaging problem (NEAP) can be a serious methodological
problem that leads to erroneous assessments when studying mobility-dependent exposures …

Mobility during the covid-19 pandemic: A data-driven time-geographic analysis of health-induced mobility changes

M Toger, K Kourtit, P Nijkamp, J Östh - Sustainability, 2021 - mdpi.com
The COVID-19 pandemic has profoundly affected the spatial mobility of a major part of the
population in many countries. For most people, this was an extremely disruptive shock …

Uncertainties in the assessment of COVID-19 risk: A study of people's exposure to high-risk environments using individual-level activity data

J Huang, MP Kwan - Annals of the American Association of …, 2022 - Taylor & Francis
Based on different conceptualizations and measures of individual-level environmental
exposure, this study examines how the uncertain geographic context problem (UGCoP) and …

Assessing individual environmental exposure derived from the spatiotemporal behavior context and its impacts on mental health

L Zhang, S Zhou, MP Kwan, M Shen - Health & Place, 2021 - Elsevier
Research on the associations between environmental exposures and mental health has
attracted considerable attention. Most studies to date have mainly estimated environmental …

[HTML][HTML] An integrated individual environmental exposure assessment system for real-time mobile sensing in environmental health studies

J Wang, L Kou, MP Kwan, RM Shakespeare, K Lee… - Sensors, 2021 - mdpi.com
The effects of environmental exposure on human health have been widely explored by
scholars in health geography for decades. However, recent advances in geospatial …

The Mann-Kendall-Sneyers test to identify the change points of COVID-19 time series in the United States

X Chen, H Wang, W Lyu, R Xu - BMC Medical Research Methodology, 2022 - Springer
Background One critical variable in the time series analysis is the change point, which is the
point where an abrupt change occurs in chronologically ordered observations. Existing …