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Is there an increase of reproductive rates in schizophrenics?

II. An investigation in Nordbaden (SW Germany): Methods and description of the patient sample

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Summary

For an investigation on the question of whether fertility rates of schizophrenics have been increasing in recent times, two cohorts of patients were defined on an epidemiological basis. The patients were first admissions during either 1949–50 (n=183) or 1965–67 (n=228). The conditions of case definition as well as their demographic and psychiatric characteristics are described. These data are necessary for the evaluation of reproductive rates observed in the patient sample. Furthermore, the two cohorts of patients may be of general interest, because they comprise patients first admitted to a hospital who were completely ascertained in a certain region and time period. They reflect certain changes in hospitalization practice in Germany.

Zusammenfassung

Es wurde eine Untersuchung über die Frage durchgeführt, ob die Fortpflanzungsrate schizophrener Patienten in jüngerer Zeit angestiegen ist. Hierfür wurden zwei epidemiologisch definierte Kohorten von Patienten gebildet, die entweder 1949–50 (n=183) oder 1965–67 (n=228) erstmals hospitalisiert worden waren. Es werden die Kriterien der Falldefinition sowie die demographischen und psychiatrischen Charakteristika der Stichproben beschrieben. Diese Angaben sind für die Beurteilung der Fertilitätsparameter notwendig. Die beiden Patienten-Kohorten sind darüberhinaus von allgemeinerem Interesse, weil es sich um ein in einer bestimmten Zeit und Region vollständig erfaßtes Kollektiv erstmals hospitalisierter Patienten handelt, das gewisse Änderungen der Hospitalisierungsgewohnheiten in Deutschland widerspiegelt.

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Supported by Deutsche Forschungsgemeinschaft within the SFB 116

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Propping, P., Hilger, T. & Haverkamp, F. Is there an increase of reproductive rates in schizophrenics?. Arch Psychiatr Nervenkr 233, 167–175 (1983). https://doi.org/10.1007/BF00343594

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