The purpose of this study was: to collect data describing the main features of general practice - family, personal, domiciliary and front-line care; to obtain information about the role of the general practitioner as seen by both patients and doctors. There are ten datasets making up this study: <i>Main Patients</i> SN:394 <i>General Practitioners</i> SN:704 <i>Depression</i> SN:705 <i>G.P. Consultation</i> SN:706 <i>Out-Patients</i> SN:707 <i>Children</i> SN:708 <i>Mothers</i> SN:709 <i>Old People</i> SN:710 <i>Failure Schedules</i> SN:835 <i>No National Health Service Docotr</i> SN:836 Attitudinal/Behavioural Questions Number of consultations with GP in last 12 months, number of home visits/visits to outpatients, examinations by school doctors or clinics during last 12 months, whether immunised against diphtheria or vaccinated against smallpox. Background Variables Age, sex, birth order.