Variables Two questionnaires were administered: one relating to the household, and one each to all adults over 15 years living in the household. Household questionnaire: Household composition; shopping frequency and weekly expenditure; housing tenure and type; heating; expenditure on houshold items; gardening equipment; motor vehicle use and ownership; holidays. Individual questionnaire: Occupation; age; sex; income; holidays; motor vehicle ownership and use; purchasing of petrol; tyres; expenditure on servicing; readership of motoring magazines; ownership of radios; record players; cameras; clothing expenditure and where purchased; purchasing of convenience foods; expenditure on alcohol and tobacco; readership of newspapers and periodicals; savings and bank accounts.