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The association of ...
The association of shift work and nitrous oxide exposure in pregnancy with birth weight and gestational age
- Article/chapterEnglish1999
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LIBRIS-ID:oai:gup.ub.gu.se/125891
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https://gup.ub.gu.se/publication/125891URI
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Subject category:art swepub-publicationtype
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We examined the relation between shift work and occupational nitrous oxide exposure in the second trimester of pregnancy and birth weight and gestational age at delivery among the members of the Swedish Midwives Association. Eighty-four per cent of members who were registered in 1989 responded to a postal questionnaire concerning occupational exposures, including work schedule and the use of nitrous oxide, in relation to each of their pregnancies. We obtained information on births from the Swedish Medical Birth Register. We used models with allowance for dependence between births for the same woman and found that night work was associated with preterm birth (<37 weeks) [odds ratio (OR) = 5.6; 95% confidence limits (CL) = 1.9, 16.4] and to a lesser extent with low birth weight [OR = 1.9 (95% CL = 0.6, 5.8)]. Three-shift work schedule (day, evening, and night rotation) showed a possible association with preterm birth [OR = 2.3 (95% CL = 0.7, 7.3)]. Exposure to nitrous oxide use was associated with reduced birth weight (-77 gm; 95% CL = -129, -24) and an increase in the odds of infants being small for gestational age (< or = 10th percentile of weight for gestational week) (OR = 1.8; 95% CL = 1.1, 2.8).
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Axelsson, Gösta,1950Gothenburg University,Göteborgs universitet,Institutionen för invärtesmedicin, Avdelningen för internmedicin,Institute of Internal Medicine, Dept of Medicine(Swepub:gu)xaxela
(author)
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Ahlborg, Gunnar,1948
(author)
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Göteborgs universitetInstitutionen för invärtesmedicin, Avdelningen för internmedicin
(creator_code:org_t)
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In:Epidemiology10:4, s. 429-361044-3983
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