Consistent with evidence from several recent geographical (cross-national and within-nation) studies (by Lester and by Voracek), a positive ecological (aggregate-level) correlation of regional intelligence and suicide rate was found across the seven major geographical regions of Denmark.
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References
1.
ApterA.BleichA.KingR. A.KronS.FluchA.KotterM.CohenD. J. (1993) Death without warning? A clinical postmortem study of suicide in 43 Israeli adolescent males. Archives of General Psychiatry, 50, 138–142.
2.
de CatanzaroD. (1981) Suicide and self-damaging behavior: a sociobiological perspective. New York: Academic Press.
3.
DearyI. J.StrandS.SmithP.FernandesC. (in press) Intelligence and educational achievement. Intelligence.
4.
DurkheimÉ. (1897/1997) Suicide: a study in sociology. (SpauldingJ. A.SimpsonG., Transl.) New York: Free Press.
5.
GunnellD.MagnussonP. K. E.RasmussenF. (2005) Low intelligence test scores in 18 year old men and risk of suicide: cohort study. British Medical Journal, 330, 167–170.
6.
KerkhofA.KunstA. (1994) A European perspective on suicidal behaviour. In JenkinsR.GriffithsS.WylieI.HawtonK.MorganG.TyleeA. (Eds.), The prevention of suicide: a conference organised by the Department of Health, Faculty of Public Health Medicine, Royal College of General Practitioners and the Royal College of Psychiatrists. London: Her Majesty's Stationery (HMSO). Pp. 22–33.
7.
LesterD. (1972) Why people kill themsleves: a summary of research findings on suicidal behavior. Springfield, IL: Thomas.
8.
LesterD. (1993) Intelligence and suicide in France: an ecological study. Psychological Reports, 73, 1226.
9.
LesterD. (1995) Intelligence and suicide in Ireland and the United Kingdom. Psychological Reports, 77, 122.
10.
LesterD. (2003) National estimates of IQ and suicide and homicide rates. Perceptual and Motor Skills, 97, 206.
11.
LynnR. (1996) Dysgenics: genetic deterioration in modern populations. Westport, CT: Praeger.
12.
MorselliH. (1881) Suicide: an essay on comparative moral statistics. London: Kegan Paul. O'Toole, B. I., & Cantor, C. (1995) Suicide risk factors among Australian Vietnam era draftees. Suicide and Life-Threatening Behavior, 25, 475–488.
13.
TeasdaleT. W.BerlinerP. (1991) Kindergarten attendance in relation to educational level and intelligence in adulthood: a geographical analysis. Scandinavian Journal of Psychology, 32, 336–343.
14.
TeasdaleT. W.OwenD. R.SørensenT. I. A. (1988) Regional differences in intelligence and educational level in Denmark. British Journal of Educational Psychology, 58, 307–314.
15.
VoracekM. (2003) Risk of suicide in twins: intelligence of twins and singletons may explain risk. British Medical Journal, 327, 1168. [Letter]
16.
VoracekM. (2004) National intelligence and suicide rate: an ecological study of 85 countries. Personality and Individual Differences, 37, 543–553.
17.
VoracekM. (2005a) National intelligence, suicide rate in the elderly, and a threshold intelligence for suicidality: an ecological study of 48 Eurasian countries. Journal of Biosocial Science, 37, 721–740.
18.
VoracekM. (2005b) The social ecology of intelligence and suicide in Belarus. Journal of Social Psychology, 145, 613–617.
19.
VoracekM. (2006) Smart and suicidal? The social ecology of intelligence and suicide in Austria. Death Studies, 30, 471–485.
