format
id
{
subject identificaton number
}
age
{
age
}
sex
{
sex: F = Female, M = Male
}
meal.time
{
meal time on April 18th
}
ill
{
developed illness: Y = Yes N = No
}
onset.date
{
onset date: "4/18" = April 18th, "4/19" = April 19th
}
onset.time
{
onset time: HH:MM AM/PM
}
baked.ham
{
consumed item: Y = Yes N = No
}
spinach
{
consumed item: Y = Yes N = No
}
mashed.potato
{
consumed item: Y = Yes N = No
}
cabbage.salad
{
consumed item: Y = Yes N = No
}
jello rolls
{
consumed item: Y = Yes N = No
}
brown.bread
{
consumed item: Y = Yes N = No
}
milk
{
consumed item: Y = Yes N = No
}
coffee
{
consumed item: Y = Yes N = No
}
water
{
consumed item: Y = Yes N = No
}
cakes
{
consumed item: Y = Yes N = No
}
vanilla.ice.cream
{
consumed item: Y = Yes N = No
}
chocolate.ice.cream
{
consumed item: Y = Yes N = No
}
fruit.salad
{
consumed item: Y = Yes N = No
}source
Center for Disease Control and Prevention, Epidemic Intelligence
Service