Prevalence in epidemiology is the proportion of disease found to have been affecting a particular population (typically a disease or a risk factor such as smoking or seat-belt use).
Exclusive analysis by The Daily Telegraph reveals the price of an average basket of groceries at any Coles and Woolworths supermarket in Sydney has jumped a staggering 16 per cent since 2009. That adds as much as $26 a week to the average bill.he analysis found that if a shopper today purchased the identical basket of groceries used in Choice's 2009 Supermarket Survey, they would pay more than $158 for what two years ago cost $136. CommSec economist Craig James said the average household currently spends $185 a week on food.
The average food cost per month for 1 person varied from a low of $196.08 for a single female in the 51 - 70 age group on a thrifty plan to $447.84 for a single male in the 19 - 50 age group on a liberal plan.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.