Intelligence in Early Adulthood and Subsequent Hospitalization for Mental Disorders

Catharine R. Gale, G David Batty, Per Tynelius, Ian J. Deary, Finn Rasmussen

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Lower intelligence is a risk factor for several specific mental disorders. It is unclear whether it is a risk factor for all mental disorders, and whether it might be associated with illness severity. We examined the relation of premorbid intelligence with risk of hospital admission and with total admission rates, for the whole range of mental disorders.



Methods: Participants were 1,049,663 Swedish men who took tests of intelligence on conscription into military service and were followed up with regard to hospital admissions for mental disorder, for a mean of 22.6 years. International Classification of Diseases diagnoses were recorded at discharge from the hospital.



Original languageEnglish
Pages (from-to)70-77
Number of pages8
JournalEpidemiology
Volume21
Issue number1
DOIs
Publication statusPublished - 1 Jan 2010

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