Association between reported work in cold environments and stroke occurrence in the CONSTANCES cohort: a prospective study - Archive ouverte HAL
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Association between reported work in cold environments and stroke occurrence in the CONSTANCES cohort: a prospective study

Abstract : Objective Cold environments are a potential risk factor for stroke. The aim of this study was to investigate the association between performing work tasks in cold environments and the occurrence of a first stroke event. Methods From the French population-based cohort CONSTANCES (‘ Cohorte des consultants des Centres d'examens de santé ’ in French), we collected data from baseline questionnaires along with medical interviews on cardiovascular risk factors and reported exposure to cold temperatures (<10°C) at work. Exposures were categorised as rare (<2 hours/day), often (≥2 and <4 hours/day) and almost always (≥4 hours/day). Incidence of stroke was retrieved from the French National Health database. Bivariate and multivariable logistic regression models were used to assess the association between working in cold environments and the incidence of stroke. Stratified analyses on stroke types were also conducted. Results There were 160 782 participants and 224 strokes (168 ischaemic and 76 haemorrhagic) included in our study. No significant increase in stroke was found for working in cold environments; the adjusted OR for often or almost always exposed was 1.14 (95% CI 0.46 to 2.84). Conclusions This study did not reveal a significant excess risk of stroke for occupational exposures to low temperatures. Further studies are needed to better assess the effect of preventive measures and very low temperature on occurrence of cardiovascular diseases.
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https://hal.archives-ouvertes.fr/hal-03738094
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Soumis le : lundi 25 juillet 2022 - 17:12:58
Dernière modification le : mardi 13 septembre 2022 - 16:05:38

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Marc Fadel, Grace Sembajwe, Dominique Tripodi, Vincent Bonneterre, Annette Leclerc, et al.. Association between reported work in cold environments and stroke occurrence in the CONSTANCES cohort: a prospective study. BMJ Open, BMJ Publishing Group, 2022, 12 (7), pp.e054198. ⟨10.1136/bmjopen-2021-054198⟩. ⟨hal-03738094⟩

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