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Time zones, daylight savings, and health

2026-07-15 21:28:19.897508+02 by Dan Lyke 0 comments

Cancer Epidemiology, Biomarkers & Prevention: Longitude Position in a Time Zone and Cancer Risk in the United States Fangyi Gu; Shangda Xu; Susan S. Devesa; Fanni Zhang; Elizabeth B. Klerman; Barry I. Graubard; Neil E. Caporaso

Methods: We examined associations between the position in a time zone and age-standardized county-level incidence rates for total cancers combined and 23 specific cancers by gender using the data of the Surveillance, Epidemiology, and End Results Program (2000–2012), including four million cancer diagnoses in white residents of 607 counties in 11 U.S. states. Log-linear regression was conducted, adjusting for latitude, poverty, cigarette smoking, and state. Bonferroni-corrected P values were used as the significance criteria.

Results: Risk increased from east to west within a time zone for total and for many specific cancers, including chronic lymphocytic leukemia (both genders) and cancers of the stomach, liver, prostate, and non-Hodgkin lymphoma in men and cancers of the esophagus, colorectum, lung, breast, and corpus uteri in women.

https://doi.org/10.1158/1055-9965.EPI-16-1029

Via, which thread also had Journal of Health Economics: Sunset time and the economic effects of social jetlag: evidence from US time zone borders

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