Seventy‐year‐old People in Gothenburg A Population Study in an Industrialized Swedish City

Abstract
The objectives of this cross-sectional population study of 70-yr-old people in Gothenburg, Sweden, were to make a survey of the social and medical conditions of the population, to obtain basic data for planning the care of the elderly, to contribute to the knowledge of normal aging processes and of normal criteria within the age group and to offer the subjects a thorough medical examination. A representative systematic sample comprised 1148 propositi (521 males and 627 females). The study comprised a homecall part regarding basic personal data, dwelling conditions, economy, social and physical communications, previous migration, educational level, previous and any present professions, need for care, consumption of health care and drugs. Observations and measurements were done of illumination at the habitual site of reading, and a simple test of visual acuity was performed. Examinations at the Out-patient Department of the Geriatric Hospital were also performed, comprising in all probands general medical and ophthalmological examination; blood and urine sampling; ECG and X-ray of heart, lungs and breasts and on subsamples; and psychological, psychiatric, dental, somatometric and audiometric examination. Furthermore, a dietary interview and a body composition examination were performed on subsamples. This presentation deals with the design and procedure of the study, analysis of observer variation and a comparison between responders (85%) and non-responders (15%). The general design of the study, the sampling procedure and general methods of data collection were adequate. The responders were representative for the population as a whole in most respects studied.