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- Gissler, M, et al.
(författare)
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Sex differences in child and adolescent mortality in the Nordic countries, 1981--2000
- 2009
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Ingår i: Scandinavian journal of public health. - : SAGE Publications. - 1403-4948 .- 1651-1905. ; 37:4, s. 340-346
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Tidskriftsartikel (refereegranskat)abstract
- Aims: Unlike the situation for infant and adult mortality, there are only a few studies on child and adolescent mortality. The purpose of this study was to examine sex differences in child and adolescent mortality by age and cohort in four Nordic countries over a 20-year period. Methods: Data on all live-born children were received from national population-covering birth registries from 1981 to 2000 (Denmark, n = 1,184,926; Finland, n = 841,470 (from 1987 to 2000); Norway, n = 1,090,127; and Sweden, n = 1,961,911). Data on mortality and causes of death until the age of 20 years were received from the national cause-of-death registers. Results: The overall mortality rates were higher in Denmark and Norway than in Finland and Sweden, among both boys and girls, and the difference between countries increased over time. In all countries, boys had higher mortality rates than girls. Overall, the sex difference was larger in Denmark and Norway (36% and 33% higher, respectively) than in Finland and Sweden (both 24%). The sex differences were more pronounced for deaths of those aged 5—19 years than for those aged 0—4 years. Twelve per cent of all deaths among boys and 10% of those among girls were due to external causes, mainly unintentional injury deaths or intentional deaths. For children and adolescents aged 5—19 years, the corresponding figures were 43% for boys and 35% for girls. Conclusions: Boys have excess mortality, but the sex difference is lower in countries with lower mortality. Boys' excess mortality was only partly accounted for by deaths from external causes. Avoidable deaths and causes of death need further investigation.
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- Magnus, MC, et al.
(författare)
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Fetal death after the introduction of COVID-19 mitigation measures in Sweden, Denmark and Norway: a registry-based study
- 2022
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Ingår i: Scientific reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 12:1, s. 20625-
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Tidskriftsartikel (refereegranskat)abstract
- It remains unclear whether the rate of fetal death has changed during the COVID-19 pandemic. We assessed the impact of COVID-19 mitigation measures on fetal death in Sweden (449,347 births), Denmark (290,857 pregnancies) and Norway (261,057 pregnancies) using robust population-based registry data. We used Cox regression to assess the impact of the implementation of pandemic mitigation measures on March 12th, 2020, on miscarriage (fetal loss before gestational week 22) and stillbirth (fetal loss after gestational week 22). A total of 11% of 551,914 pregnancies in Denmark and Norway ended in miscarriage, while the proportion of stillbirths among 937,174 births across the three countries was 0.3%. There was no difference in the risk of fetal death during the year following pandemic mitigation measures. For miscarriage, the combined hazard ratio (HR) for Norway and Denmark was 1.01 (95% CI 0.98, 1.03), and for stillbirth, the combined HR for all three countries was 0.99 (95% CI 0.89, 1.09). We observed a slightly decreased risk of miscarriage during the first 4 months, with an HR of 0.94 (95% CI 0.90, 0.99) after lockdown. In conclusion, the risk of fetal death did not change after the implementation of COVID-19 pandemic mitigation measures in the three Scandinavian countries.
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- Ortqvist, AK, et al.
(författare)
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The association between maternal characteristics and SARS-CoV-2 in pregnancy: a population-based registry study in Sweden and Norway
- 2022
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Ingår i: Scientific reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 12:1, s. 8355-
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Tidskriftsartikel (refereegranskat)abstract
- The objectives of the current study were to identify risk factors for SARS-CoV-2 positivity, and to address how different testing strategies, choice of comparison group, and population background characteristics may influence observed associations. National registries data for 107,627 pregnant women in Sweden and 81,195 in Norway, were used to identify risk factors for SARS-CoV-2, separately for women under non-universal testing (testing by indication) and universal testing (testing of all pregnant women in contact with a delivery ward). We also investigated underlying characteristics associated with testing for SARS-CoV-2. Overall, 2.1% of pregnant women in Sweden and 1.1% in Norway were test-positive during the pandemic’s first 18 months. We show that the choice of test strategy for SARS-CoV-2 provided different associations with risk factors for the disease; for instance, women who were overweight, obese or had gestational diabetes had increased odds of being test-positive under non-universal testing, but not under universal testing. Nevertheless, a consistent pattern of association between being born in the Middle East and Africa and test-positivity was found independent of test strategy and in both countries. These women were also less likely to get tested. Our results are useful to consider for surveillance and clinical recommendations for pregnant women during the current and future pandemics.
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