| 1. |
- Chen, Tzu-Hsin Karen, et al.
(author)
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Higher depression risks in medium- than in high-density urban form across Denmark
- 2023
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In: Science Advances. - : AAAS. - 2375-2548. ; 9:21
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Journal article (peer-reviewed)abstract
- Urban areas are associated with higher depression risks than rural areas. However, less is known about how different types of urban environments relate to depression risk. Here, we use satellite imagery and machine learning to quantify three-dimensional (3D) urban form (i.e., building density and height) over time. Combining satellite-derived urban form data and individual-level residential addresses, health, and socioeconomic registers, we conduct a case-control study (n = 75,650 cases and 756,500 controls) to examine the association between 3D urban form and depression in the Danish population. We find that living in dense inner-city areas did not carry the highest depression risks. Rather, after adjusting for socioeconomic factors, the highest risk was among sprawling suburbs, and the lowest was among multistory buildings with open space in the vicinity. The finding suggests that spatial land-use planning should prioritize securing access to open space in densely built areas to mitigate depression risks.
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| 2. |
- Cantor-Graae, Elizabeth, et al.
(author)
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Migration as a risk factor for schizophrenia: a Danish population-based cohort study.
- 2003
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In: British Journal of Psychiatry. - 0007-1250. ; 182, s. 117-122
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Journal article (peer-reviewed)abstract
- Background A growing body of evidence suggests that migration is a risk factor for the development of schizophrenia, although the putative mechanism remains obscure. Aims To examine immigrant background and history of foreign residence as risk factors for schizophrenia. Method Using data from the Danish Civil Registration System, we established a population-based cohort of 2.14 million persons resident in Denmark by their fifteenth birthday. Schizophrenia in cohort members and parental psychiatric disorder were identified by cross-linkage with the Danish Psychiatric Case Register. Results The relative risk of developing schizophrenia was 2.45 (95% Cl 2.25-2.67) and 1.92 (95% Cl 1.74-2.12) among first- and second-generation immigrants respectively, and 1.60 (95% Cl 1.25-2.05) among Danes with a history of foreign residence. Conclusions Migration confers an increased risk for schizophrenia that is not solely attributable to selection factors and may also be independent of foreign birth.
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