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.
Average Food Costs in the U.S. The typical U.S. household spends 10% of its income on food. The average cost of food per month is $550 (thatâs $6,602 each year). Approximately 60% of our food budgets are spent on food eaten at home, and the rest on food consumed when weâre out and about.verage Food Costs in the U.S. The typical U.S. household spends 10% of its income on food. The average cost of food per month is $550 (thatâs $6,602 each year). Approximately 60% of our food budgets are spent on food eaten at home, and the rest on food consumed when weâre out and about.