Study to get insight into the behaviour of students in Groningen in respect of housing, nutrition and sports and the existing facilities on these subjects. Housing, type of accommodation: common rooms, kitchen, bathroom, toilet, privacy, quality, furniture, upkeep, rent, heating, distance from university, school, appreciation, reasons for change, wishes for housing / nutrition / places for lunch and dinner, hot meals, frequency, time spent, wishes in respect to student restaurants and quality of hot meals / sports activities time spent, costs, participating in student sports clubs organized in Aclo, conveyance, use of university sports facilities, reasons for playing games, wishes in respect of supply of sports facilities. Background variables: basic characteristics/ residence/ housing situation/ place of work/ income/capital assets/ education/ organizational membership