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Yale University

Theses/Dissertations

Cancer, Ecological study, Light at night

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Light At Night And Cancer Incidence: A Gis-Based Study In The Us, Linshuoshuo Lyu Jan 2024

Light At Night And Cancer Incidence: A Gis-Based Study In The Us, Linshuoshuo Lyu

Public Health Theses

Aims: Light at night (LAN) can cause circadian disruption and was found to be a potential risk factor for several cancers. This study aims to confirm the adverse effect of LAN on hormone-related cancers and explore the association between LAN and the prevalence of various cancer types under an ecological study design. Methods: County-level age-adjusted cancer incidence data was obtained from the CDC Cancer Statistics (2016 to 2020), while LAN data (1996 to 2000) was obtained from the satellite imagery of Version 4 Defense Meteorological Satellite Program. Linear mixed effect regression models (LMMs) were performed to assess the relationship of …