By using a computer software program the epidemiologists

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Reference no: EM13454376

Using a computer software program, the epidemiologists have analyzed the food history data from the questionnaires and have constructed the following attack rate table.

ATTACK RATE TABLE:

FOOD ITEMS	PERSONS WHO ATE SPECIFIED FOOD				PERSONS WHO DID NOT EAT SPECIFIED FOOD				95% Confidence Interval
FOOD ITEMS	Ill	Not Ill	Total	Attack Rate	Ill	Not Ill	Total	Attack Rate	95% Confidence Interval
Chicken	36	30	66	55%	4	30	34	12%	1.2 - 17.7
Potato Salad	32	40	72	44%	8	20	28	29%	0.6 - 3.9
Potato Chips	20	4	24	83%	20	56	76	26%	1.8 - 5.7
Ice Cream	24	0	24	100%	16	60	76	21%	2.6 - 8.8
Pie	32	4	36	89%	8	56	64	13%	2.8 - 18.0
Pepsi	36	40	76	47%	4	20	24	17%	0.8 - 10.5

Calculate the relative risk for each of the food items.
Identify the food items that have a statistically significant confidence interval.
Identify the food item that is the most likely source of transmission. Explain.

Reference no: EM13454376

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