Expenditure and Food Survey (EFS) (now Living Costs and Food Survey) Household purchase survey (conducted annually) Average annual Scottish sample: 560 households and 1270 people Collects information about household and eating out food and expenditure over 14 day period Valuable source of information about food purchases of the population Translated into estimates of the food consumption and nutrient intake Can be used to calculate energy density and linked to indices of deprivation and diet cost