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- Jablonska, B, et al.
(författare)
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Ethnicity, socio-economic status and self-harm in Swedish youth : a national cohort study.
- 2009
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Ingår i: Psychological Medicine. - 0033-2917 .- 1469-8978. ; 39:1, s. 87-94
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Previous studies have shown an elevated risk for self-harm in adolescents from ethnic minorities. However, potential contributions to this risk from socio-economic factors have rarely been addressed. The main aim of this article was to investigate any such effects. METHOD: A national cohort of 1009 157 children born during 1973-1982 was followed prospectively from 1991 to 2002 in Swedish national registers. Multivariate Cox analyses of proportional hazards were used to estimate the relative risk of hospital admission for self-harm. Parental country/region of birth was used as proxy for ethnicity. RESULTS: Youth with two parents born outside Sweden (except those from Southern Europe) had higher age- and gender-adjusted hazard ratios (HRs) of self-harm than the majority population (HR 1.6-2.3). The HRs decreased for all immigrant groups when socio-economic factors were accounted for but remained significantly higher for immigrants from Finland and Western countries and for youth with one Swedish-born and one foreign-born parent. CONCLUSIONS: Socio-economic factors explain much of the variation by parental country of birth of hospital admissions for self-harm in youth in Sweden.
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- Odenstad, A, et al.
(författare)
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Does age at adoption and geographic origin matter? A national cohort study of cognitive test performance in adult inter-country adoptees.
- 2008
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Ingår i: Psychol Med. - 0033-2917 .- 1469-8978. ; 38:12, s. 1803-14
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Tidskriftsartikel (refereegranskat)abstract
- Does age at adoption and geographic origin matter? A national cohort study of cognitive test performance in adult inter-country adoptees.Odenstad A, Hjern A, Lindblad F, Rasmussen F, Vinnerljung B, Dalen M.Stress Research Institute, Stockholm University, Sweden.BACKGROUND: Inter-country adoptees run risks of developmental and health-related problems. Cognitive ability is one important indicator of adoptees' development, both as an outcome measure itself and as a potential mediator between early adversities and ill-health. The aim of this study was to analyse relations between proxies for adoption-related circumstances and cognitive development.MethodResults from global and verbal scores of cognitive tests at military conscription (mandatory for all Swedish men during these years) were compared between three groups (born 1968-1976): 746 adoptees born in South Korea, 1548 adoptees born in other non-Western countries and 330 986 non-adopted comparisons in the same birth cohort. Information about age at adoption and parental education was collected from Swedish national registers. RESULTS: South Korean adoptees had higher global and verbal test scores compared to adoptees from other non-European donor countries. Adoptees adopted after age 4 years had lower test scores if they were not of Korean ethnicity, while age did not influence test scores in South Koreans or those adopted from other non-European countries before the age of 4 years. Parental education had minor effects on the test performance of the adoptees - statistically significant only for non-Korean adoptees' verbal test scores - but was prominently influential for non-adoptees. CONCLUSIONS: Negative pre-adoption circumstances may have persistent influences on cognitive development. The prognosis from a cognitive perspective may still be good regardless of age at adoption if the quality of care before adoption has been 'good enough' and the adoption selection mechanisms do not reflect an overrepresentation of risk factors - both requirements probably fulfilled in South Korea.
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