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

Table 1 Description of the number of participants included in the study and the number of AGE cases reported per season, using the AGE definition of the French Sentinelles network

	Season 2014–2015	Season 2015–2016	Season 2016–2017
GrippeNet.fr registered individuals^a, n	6632	6515	6234
Active participants included in the study^b, n (%)	3905 (59%)	4906 (75%)	5164 (83%)
Weekly surveys filled by active participants, n	75,576	100,147	82,793
AGE episode reported, n	439	476	336
Participants having at least one AGE episode, n (%)	385 (9.9%)	412 (8.4%)	311 (6.0%)
Mean number of AGE episode per participant having at least one (min – max)	1.14 (1–5)	1.16 (1–5)	1.08 (1–4)
Mean number of AGE episode per participant	0.112	0.097	0.065

^aAny GrippeNet.fr participants having filled at least one preliminary survey
^bGrippeNet.fr participants having filled at least three weekly surveys (one before, one during and one after the AGE epidemic period for the first two seasons, and one during and one after for the last season)

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