Analysis of missing values and analysis of scales measuring social strata in epidemiologic pilot studies
At the ISB-Institut fur Jledizinische Informations- verarbeitung, Statistik und Biomathematik' in Munich our research group conducts pilot studies for a nationwide longitudinal study on side-effects of contraceptives. One of our objectives is to determine which topics can be investigated using population surveys. In 1975 we drew a random sample of the female population aged 12-45 years in the Munich area. The second part of the paper discusses approaches to measure social strata and reports our experience with the Social Self-Assessment-Scale (SSE).
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