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.
To answer that question we need to know just how much do people spend on food on average on both an average diet and a real food diet. According to the USDA the average family of four is spending somewhere between $544 to $1235 per month for food eaten at home.Thatâs a huge range! They break it down into 4 plans: Thrifty, low-cost, moderate, and liberal.o answer that question we need to know just how much do people spend on food on average on both an average diet and a real food diet. According to the USDA the average family of four is spending somewhere between $544 to $1235 per month for food eaten at home.