The incidence rate is the number of new cases per population at risk in a given time period . When the denominator is the sum of the person-time of the at risk population, it is also known as the incidence density rate or person-time incidence rate.
Answer: According to the United States Department of Agriculture, Center for Nutrition Policy and Promotion, the average food cost per month for 1 person in the United States is approximately three hundred one dollars ($301.00) for all categories combined.or females, the average food cost per month for 1 person is $283.28 For males, the average food cost per month for 1 person is $319.28. You can view the raw data at USDA.
Details are shown in Chart 1 below. As you can see from Chart 1, the estimated average monthly food cost for family of 3 ranges from more than five hundred dollars ($500) per month on a thrifty plan to more than one thousand dollars ($1,000) per month on a liberal plan.etails are shown in Chart 1 below. As you can see from Chart 1, the estimated average monthly food cost for family of 3 ranges from more than five hundred dollars ($500) per month on a thrifty plan to more than one thousand dollars ($1,000) per month on a liberal plan.