pub 540
Attack Rate Table
| Number of persons who ate specified food | Number of persons who did not eat specified food | Attack Rate Ratio | |||||
| Ill | Not Ill | Total | Percent Ill (Attack Rate) | Ill | Not Ill | Total | Percent Ill (Attack Rate) |
| Baked ham | |||||||
| Spinach | |||||||
| Mashed potatoes | |||||||
| cabbage | |||||||
| Jello | |||||||
| Rolls | |||||||
| Brown bread | |||||||
| Milk | |||||||
| Coffee | |||||||
| Water | |||||||
| Cakes | |||||||
| Van ice cream | |||||||
| Cho ice cream | |||||||
| Fruit salad |