Journal
ENVIRONMENTAL RESEARCH
Volume 196, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.envres.2021.110924
Keywords
Winter storm; Power outage; Health risk; Critical care indicators
Funding
- National Institute of Environmental Health Sciences of United States [1R15ES02800001A1]
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The study found that winter storms and power outages have significant health effects, especially when they occur together or during ice storms. These effects are more pronounced in food/water-borne diseases, October and November, as well as during the peak hours of 3:00-8:00 p.m.
Background: While most prior research has focused on extreme heat, few assessed the immediate health effects of winter storms and associated power outages (PO), although severe storms have become more frequent. This study evaluates the joint and independent health effects of winter storms and PO, snow versus ice-storm, effects by time window (peak timing, winter/transitional months) and the impacts on critical care indicators including numbers of comorbidity, procedure, length of stay and cost. Methods: We use distributed lag nonlinear models to assess the impacts of winter storm/PO on hospitalizations due to cardiovascular, lower respiratory diseases (LRD), respiratory infections, food/water-borne diseases (FWBD) and injuries in New York State on 0?6 lag days following storm/PO compared with non-storm/non-PO periods (references), while controlling for time-varying factors and PM2.5. The storm-related hospitalizations are described by time window. We also calculate changes in critical care indicators between the storm/PO and control periods. Results: We found the joint effects of storm/PO are the strongest (risk ratios (RR) range: 1.01?1.90), followed by that of storm alone (1.02?1.39), but not during PO alone. Ice storms have stronger impacts (RRs: 1.04?3.15) than snowstorms (RRs: 1.03?2.21). The storm/PO-health associations, which occur immediately, and some last a whole week, are stronger in FWBD, October/November, and peak between 3:00?8:00 p.m. Comorbidity and medical costs significantly increase after storm/PO. Conclusion: Winter storms increase multiple diseases, comorbidity and medical costs, especially when accompanied by PO or ice storms. Early warnings and prevention may be critical in the transitional months and afternoon rush hours.
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