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Geographical analysis of the risk of psychiatric hospitalization in Hamburg from 1988 – 1994

Published online by Cambridge University Press:  30 September 2020

E. Maylath ,
J. Seidel ,
B. Werner  and
P. Schlattmann
E. Maylath
Affiliation:
Medical Services department of the Hamburg statutory health insurance authority, Hamburg
J. Seidel
Affiliation:
Medical Services department of the Mecklenburg-Vorpommern statutory health insurance authority, Schwerin
B. Werner
Affiliation:
Medical Services department of the Hamburg statutory health insurance authority, Hamburg
P. Schlattmann
Affiliation:
Institute for Social Medicine, Department of Epidemiology, Berlin, and Department of Psychiatry, Free University Berlin, Berlin, Germany
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Summary

The analysis of the geographical distribution of hospital cases is obviously important for the purpose of planning hospital services, but it is of even greater significance in the planning of psychiatric services. This concern motivated our seven-year-long study, which examined hospitalization risks among various categories of psychiatric disorders in the major German city of Hamburg. Our database encompassed 77% (n = 64,000) of all psychiatric admissions in a total of 41 hospitals, most of which are general hospitals. In order to carry out the geographical analysis we employed a new statistical method based on a mixture distribution model. According to our findings, the strongest indications of an increased frequency were among male cases of schizophrenia, drug abuse and organic psychoses, and female cases of neurotic disorders, personality disorders, drug abuse and schizophrenia. We found that some areas are exposed to a risk of hospitalization for these diagnostic categories which is more than 50% above the reference. Contrary to other authors we did not identify an increased frequency of admission concentrated in the inner-city area for any of the diagnostic groups. The risk of hospitalization for schizophrenics was almost entirely associated with the close proximity of psychiatric units, while the risks for neuroses and personality disorders, as well as alcohol and drug abuse, appeared to be concentrated in areas of low social status. However, a statistically relevant correlation between an increased risk of hospitalization and low social status could be determined only for drug abuse and alcoholism. In the end, we did identify two areas in which there was an increased risk of hospitalization for several diagnostic groups, and this information will undoubtedly facilitate the planning of hospital and psychiatric services. The fact that our findings deviate to some extent from other authors – especially with respect to neuroses and personality disorders, but also to addiction – can be attributed to the inclusion of psychiatric cases from general hospitals in our geographic analysis.

Keywords

psychiatric hospitalization riskspsychiatric servicessocial statusspatial distribution
Type
Original article
Information
European Psychiatry , Volume 14 , Issue 8 , December 1999 , pp. 414 - 425
Copyright
Copyright © Éditions scientifiques et médicales Elsevier SAS 1999

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