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Regional differences in schizophrenia incidence in Denmark.
E M Schelin1, P Munk-Jørgensen, A V Olesen
1Department of Psychiatry, Bispebjerg Hospital, Copenhagen, Denmark.
Acta Psychiatrica Scandinavica
|April 27, 2000
Summary
Schizophrenia incidence and diagnostic delays vary by region in Denmark. Higher urbanization correlated with increased incidence, while rural areas showed longer diagnostic delays, particularly for women.
Area of Science:
- Psychiatry
- Epidemiology
- Public Health
Background:
- Schizophrenia is a complex mental disorder with a significant public health impact.
- Understanding the geographical distribution of schizophrenia incidence is crucial for resource allocation and targeted interventions.
Purpose of the Study:
- To investigate the regional variations in schizophrenia incidence across Denmark.
- To explore the relationship between urbanization and schizophrenia incidence.
- To identify regional differences in diagnostic delay for schizophrenia.
Main Methods:
- A cohort of 2441 Danish psychiatric patients diagnosed with schizophrenia (ICD-8) between 1978-1982 was analyzed.
- Patients were categorized into three regional groups based on the degree of urbanization.
- A 10-year observation period was used to assess incidence and diagnostic delay.
Main Results:
- Schizophrenia incidence demonstrated a positive correlation with increasing urbanization for both males and females.
- Diagnostic delays were most significant in the least urbanized regions.
- Women experienced more pronounced diagnostic delays compared to men, especially in rural areas.
Conclusions:
- The study confirms significant regional disparities in schizophrenia incidence within Denmark.
- Marked regional differences in diagnostic delay were observed, suggesting potential variations in healthcare access or diagnostic practices.
- Standardized diagnostic procedures are essential for accurate mapping of psychiatric morbidity and ensuring equitable patient treatment.