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- Andersson, Lena, 1965, et al.
(författare)
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Association of IQ scores and school achievement with suicide in a 40-year follow-up of a Swedish cohort.
- 2008
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Ingår i: Acta psychiatrica Scandinavica. - : Wiley. - 1600-0447 .- 0001-690X. ; 118:2, s. 99-105
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: Few studies have investigated the association of childhood IQ and school achievement with suicide. The aim of this study was to investigate the association of childhood IQ with suicide in a cohort of Swedish women and men. METHOD: 21 809 subjects born in 1948 and 1953 who completed IQ and school tests at age 13 years have been followed until 2003. Information on paternal education and in-patient care for psychosis was linked using the Swedish personal identification number. RESULTS: There were 180 suicides amongst subjects with measured IQ. High IQ was associated with reduced suicide risk among men (OR per unit increase in age-adjusted model 0.90, 95% CI 0.83-0.99), while there was no statistical evidence of an association in women (OR 1.04, 95% CI 0.90-1.20). Among men with a history of psychosis, high IQ was associated with an increased risk of suicide. CONCLUSION: Low childhood IQ at age 13 years is associated with an increased risk of suicide in men but not in women; however, amongst those with psychosis, low IQ appears to be protective.
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| 2. |
- Andersson, Lena, 1965, et al.
(författare)
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The Association of IQ Scores and School Achievement With Suicide in a 40-year Follow-Up of a Swedish Cohort
- 2008
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Ingår i: 10th International Congress of Behavioural Medicine, Drawing from traditional sources and basic research to improve health of individuals, communities and populations, August 27-30, 2008 Tokyo, Japan.
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- In this study we have used longitudinal Swedish data with a follow up period of 40 years and included data on both men and women. By using the Swedish personal identification number, educational data (IQ- and school tests) were linked with the National Cause of Death Register, identifying all suicides in the cohorts up to 31st December 2003 and linkage was also made with the National Inpatient Register.Data on childhood socioeconomic status was also included. Our analysis identified gender differences and four broad patterns of associations between tests of intelligence and school performance at age 13 and later suicide risk. Early detection and appropriate interventions amongst children with low cognitive ability may be important in order to prevent future psychiatric disorders and suicide risk. Strategies for better cognitive function implemented in childhood and adolescence may contribute to improved adult health. Increased knowledge of mental health status and suicide risk among high performing females also needs further elucidation.
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- Sipos, A, et al.
(författare)
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Paternal age and schizophrenia - Reply
- 2005
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Ingår i: BRITISH MEDICAL JOURNAL. - : BMJ. - 0959-535X. ; 330:7483, s. 148-148
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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