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Cardiovascular Health Peaks and Meteorological Conditions: A Quantile Regression Approach.

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Chiu, Yohann Moanahere; Chebana, Fateh ORCID logoORCID: https://orcid.org/0000-0002-3329-8179; Abdous, Belkacem; Bélanger, Diane et Gosselin, Pierre (2021). Cardiovascular Health Peaks and Meteorological Conditions: A Quantile Regression Approach. International Journal of Environmental Research and Public Health , vol. 18 , nº 24. p. 13277. DOI: 10.3390/ijerph182413277.

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Résumé

Cardiovascular morbidity and mortality are influenced by meteorological conditions, such as temperature or snowfall. Relationships between cardiovascular health and meteorological conditions are usually studied based on specific meteorological events or means. However, those studies bring little to no insight into health peaks and unusual events far from the mean, such as a day with an unusually high number of hospitalizations. Health peaks represent a heavy burden for the public health system; they are, however, usually studied specifically when they occur (e.g., the European 2003 heatwave). Specific analyses are needed, using appropriate statistical tools. Quantile regression can provide such analysis by focusing not only on the conditional median, but on different conditional quantiles of the dependent variable. In particular, high quantiles of a health issue can be treated as health peaks. In this study, quantile regression is used to model the relationships between conditional quantiles of cardiovascular variables and meteorological variables in Montreal (Canada), focusing on health peaks. Results show that meteorological impacts are not constant throughout the conditional quantiles. They are stronger in health peaks compared to quantiles around the median. Results also show that temperature is the main significant variable. This study highlights the fact that classical statistical methods are not appropriate when health peaks are of interest. Quantile regression allows for more precise estimations for health peaks, which could lead to refined public health warnings.

Type de document: Article
Mots-clés libres: quantile regression; cardiovascular diseases; health peaks; meteorological conditions; environmental health; heatwaves
Centre: Centre Eau Terre Environnement
Date de dépôt: 09 févr. 2022 15:38
Dernière modification: 09 févr. 2022 15:38
URI: https://espace.inrs.ca/id/eprint/12242

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