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.
This average food cost per month for 1 person was derived by taking an average of the estimated food cost per month for a single male and single female in two age groups (19 - 50 and 51 - 70) and four different food-cost plans (thrifty to liberal), as shown in the chart below.