Skip to main content

Table 2 Results of the univariate analysis (n = 53), Elementary School, January 2012

From: Epidemiological investigation of two parallel gastroenteritis outbreaks in school settings

  Exposed Non exposed   
Risk factors Cases Total AR*% Cases Total AR*% RR 95% CI‡
Consumption of tap water from the school 32 45 71.1 20 66 30.3 2.35 1.56-3.54
Consumption of bottled water 27 77 35.1 25 35 71.4 0.49 0.34-0.71
Consumption of water from the cooler in the teaching staff room 5 11 45.5 47 100 47.0 0.97 0.49-1.91
Another person at approximate environment with gastroenteritis symptoms before the onset of symptoms 25 31 80.7 28 42 66.7 1.21 0.92-1.59
Participation in tutorial lessons (after school) 16 33 48.5 36 73 49.3 0.98 0.64-1.50
Participation in athletic activities 11 23 47.8 41 83 49.4 0.97 0.60-1.56
Visit to playground 1 2 50.0 51 104 49.04 1.02 0.25-4.13
  1. *Attack Rate †Relative Risk ‡ 95% Confidence Interval
\