Determinants and risk factors of gastroenteritis in the general population, a web-based cohort between 2014 and 2017 in France

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Ecollan, Marie | Guerrisi, Caroline | Souty, Cécile | Rossignol, Louise | Turbelin, Clément | Hanslik, Thomas M. | Colizza, Vittoria | Blanchon, Thierry

Edité par CCSD ; BioMed Central -

International audience. Background: Although it is rarely fatal in developed countries, acute gastroenteritis (AGE) still induces significant morbidity and economic costs. The objective of this study was to identify factors associated with AGE in winter in the general population. Methods: A prospective study was performed during winter seasons from 2014 to 2015 to 2016-2017. Participants filled an inclusion survey and reported weekly data on acute symptoms. Factors associated with having at least one AGE episode per winter season were analyzed using the generalized estimating equations (GEE) approach. Results: They were 13,974 participants included in the study over the three seasons. On average, 8.1% of participants declared at least one AGE episode during a winter season. People over 60 declared fewer AGE episodes (adjusted OR (aOR) = 0.76, 95% CI [0.64; 0.89]) compared to individuals between 15 and 60 years old, as well as children between 10 and 15 (aOR = 0.60 [0.37; 0.98]). Overweight (aOR = 1.25 [1.07; 1.45]) and obese (aOR = 1.47 [1.19; 1.81]) individuals, those having frequent cold (aOR = 1.63 [1.37; 1.94]) and those with at least one chronic condition (aOR = 1.35 [1.16; 1.58]) had more AGE episodes. Living alone was associated with a higher AGE episode rate (aOR = 1.31 [1.09; 1.59]), as well as having pets at home (aOR = 1.23 [1.08; 1.41]). Conclusions: Having a better knowledge of AGE determinants will be useful to adapt public health prevention messages.

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