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A census study of mental illness in Samsø

1977; Cambridge University Press; Volume: 7; Issue: 3 Linguagem: Inglês

10.1017/s0033291700004475

1469-8978

Johannes Nielsen, Jørgen Achton Nielsen,

Mental Health and Psychiatry

Census data from the Danish island of Samsø have provided information on all but 20% of the population. Fifty per cent of the population with past or present mental illness had been referred to the psychiatric service during the 18-year-period 1957--74; the proportion varied from 85% for patients with psychoses (100% for schizophrenic patients, and 90% for manic-depressive patients) to 43% with non-psychotic disorders. The frequency of past and present mental illness was 24%, higher for women with manic-depressive disorders, psychogenic (reactive) psychoses, and neuroses. The possible reasons for these and other findings are discussed.