Maintenance of steady state in oceanic sediments

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ID: 295930
1975
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Abstract
Aims: To study the association between gestational age and birth weight and the risk of clinically verified hyperkinetic disorder. Methods: Nested case-control study of 834 cases and 20 100 controls with incidence density sampling. Results: Compared with children born at term, children born with gestational ages of 34–36 completed weeks had a 70% increased risk of hyperkinetic disorder (rate ratio (RR) 1.7, 95% confidence interval (CI) 1.2 to 2.5). Children with gestational ages below 34 completed weeks had an almost threefold increased risk (RR 2.7, 95% CI 1.8 to 4.1). Children born at term with birth weights of 1500–2499 g had a 90% increased risk of hyperkinetic disorder (RR 1.9, 95% CI 1.2 to 2.9), and children with birth weights of 2500–2999 g had a 50% increased risk (RR 1.5, 95% CI 1.2 to 1.8) compared with children born at term with birth weights above 2999 g. The results were adjusted for socioeconomic status of the parents, family history of psychiatric disorders, conduct disorders, comorbidity, and maternal smoking during pregnancy. Results related to birth weight were unchanged after adjusting for differences in gestational age. Conclusions: Children born preterm, also close to term, and children born at term with low birth weights (1500–2499 g) have an increased risk of clinically verified hyperkinetic disorder. These findings have important public health perspectives because the majority of preterm babies are born close to term.
Reference Key
openalex_W2322511109 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors A. Lerman
Journal american journal of science
Year 1975
DOI
10.2475/ajs.275.6.609
URL
https://doi.org/10.2475/ajs.275.6.609
Keywords Keywords not found

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