Sjurdur F. Olsen

Sjurdur F. Olsen

Professor

ORCID: 0000-0003-3017-7096

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  1. Østerdal et al. respond to "identifying women with hypertension during pregnancy"

    Østerdal, M. L., Klemmensen, Å. K., Tabor, A. & Olsen, Sjurdur F., 2007, In: American Journal of Epidemiology. 166, 2, p. 128-129 2 p.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  2. Øger alkohol risikoen for præterm fødsel?

    Kesmodel, U., Olsen, Sjurdur F. & Secher, N. J., 2001, In: Ugeskrift for Laeger. 163, 34, p. 4578-4582 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Weight loss before conception: A systematic literature review

    Forsum, E., Brantsæter, A. L., Olafsdottir, A. S., Olsen, Sjurdur F. & Thorsdottir, I., 2013, In: Food and Nutrition Research. 57

    Research output: Contribution to journal › Review › Research › peer-review

  4. Vitamin D measured in maternal serum and offspring neurodevelopmental outcomes: A prospective study with long-term follow-up

    Strøm, M., Halldorsson, T. I., Hansen, S., Granström, C., Maslova, E., Petersen, S. B., Cohen, A. S. & Olsen, Sjurdur F., 2014, In: Annals of Nutrition and Metabolism. 64, 3-4, p. 254-261 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Vitamin D intake in mid-pregnancy and child allergic disease - a prospective study in 44,825 Danish mother-child pairs

    Maslova, E., Hansen, S., Jensen, C. B., Thorne-Lyman, A. L., Strøm, M. & Olsen, Sjurdur F., 2013, In: BMC Pregnancy and Childbirth. 13, 199.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Validity of protein, retinol, folic acid and n-3 fatty acid intakes estimated from the food-frequency questionnaire used in the Danish National Birth Cohort

    Mikkelsen, T. B., Osler, Merete & Olsen, Sjurdur F., 2006, In: Public Health Nutrition. 9, 6, p. 771-778 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Validity of preeclampsia-related diagnoses recorded in a national hospital registry and in a postpartum interview of the women

    Klemmensen, Å. K., Olsen, Sjurdur F., Østerdal, M. L. & Tabor, A., 2007, In: American Journal of Epidemiology. 166, 2, p. 117-124 8 p.

    Research output: Contribution to journal › Review › Research › peer-review

  8. Vaegt og graviditet: hvad er optimalt for helbredet?

    Olsen, J. & Olsen, Sjurdur F., 1998, In: Ugeskrift for Laeger. 160, 46, 6661.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Usual dietary treatment of gestational diabetes mellitus assessed after control diet in randomized controlled trials: subanalysis of a systematic review and meta-analysis

    García-Patterson, A., Balsells, M., Yamamoto, J. M., Kellett, J. E., Solà, I., Gich, I., van der Beek, E. M., Hadar, E., Castañeda-Gutiérrez, E., Heinonen, S., Hod, M., Laitinen, K., Olsen, Sjurdur F., Poston, L., Rueda, R., Rust, P., van Lieshout, L., Schelkle, B., Murphy, H. R. & Corcoy, R., 2019, In: Acta Diabetologica. 56, 2, p. 237-240 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Use of randomisation in early clinical trials. Theobald's trial in 1936 incorporated some aspects of randomisation

    Olsen, Sjurdur F., 1999, In: B M J (Clinical Research Edition). 318, 7194, 1352.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Use of randomisation in early clinical trials (multiple letters) [4]

    Olsen, Sjurdur F. & Scadding, J. G., 1999, In: British Medical Journal. 318, 7194, p. 1352 1 p.

    Research output: Contribution to journal › Letter › Research › peer-review

  12. Two definitions of "small size at birth" as predictors of motor development at six months

    Basso, O., Frydenberg, M., Olsen, Sjurdur F. & Olsen, J., 2005, In: Epidemiology. 16, 5, p. 657-663 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. The potential benefits of using fish oil in relation to preterm labor: the case for a randomized controlled trial?

    Olsen, Sjurdur F., Secher, N. J., Björnsson, S., Weber, T. & Atke, A., 2003, In: Acta Obstetricia et Gynecologica Scandinavica. 82, 11, p. 978-82 5 p.

    Research output: Contribution to journal › Review › Research › peer-review

  14. The people's league of health trial

    Olsen, Sjurdur F., 2006, In: Journal of the Royal Society of Medicine. 99, 1, p. 44-45 2 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    The long-term programming effect of maternal 25-hydroxyvitamin D in pregnancy on allergic airway disease and lung function in offspring after 20 to 25 years of follow-up

    Hansen, S., Maslova, E., Strøm, M., Linneberg, Allan René, Halldorsson, T. I., Granström, C., Dahl, R., Hoffmann, H. J. & Olsen, Sjurdur F., Jul 2015, In: The Journal of allergy and clinical immunology. 136, 1, p. 169-176.e2 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. The effect of maternal fish oil supplementation during the last trimester of pregnancy on blood pressure, heart rate and heart rate variability in the 19-year-old offspring

    Rytter, D., Christensen, J. H., Bech, B. H., Schmidt, E. B., Henriksen, T. B. & Olsen, Sjurdur F., 2012, In: British Journal of Nutrition. 108, 8, p. 1475-1483 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    The association between circulating levels of antimüllerian hormone and follicle number, androgens, and menstrual cycle characteristics in young women

    Kristensen, S. L., Ramlau-Hansen, C. H., tcg964, tcg964, Ernst, E., Olsen, Sjurdur F., Bonde, Jens Peter, Vested, A. & Toft, G., 2012, In: Fertility and Sterility. 97, 3, p. 779-85 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. The association between birth order and childhood leukemia may be modified by paternal age and birth weight. Pooled results from the International Childhood Cancer Cohort Consortium (I4C)

    Paltiel, O., Lemeshow, S., Phillips, G. S., Tikellis, G., Linet, M. S., Ponsonby, A. L., Magnus, P., Håberg, S. E., Olsen, Sjurdur F., Granström, C., Klebanoff, M., Golding, J., Herceg, Z., Ghantous, A., Hirst, J. E., Borkhardt, A., Ward, M. H., Holst Søegaard, S. & Dwyer, T., 2019, In: International Journal of Cancer. 144, 1, p. 26-33 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. The International Childhood Cancer Cohort Consortium (I4C): A research platform of prospective cohorts for studying the aetiology of childhood cancers

    Tikellis, G., Dwyer, T., Paltiel, O., Phillips, G. S., Lemeshow, S., Golding, J., Northstone, K., Boyd, A., Olsen, S., Ghantous, A., Herceg, Z., Ward, M. H., Håberg, S. E., Magnus, P., Olsen, J., Ström, M., Mahabir, S., Jones, R. R., Ponsonby, A. L., Clavel, J. & 12 others, Charles, M. A., Trevathan, E., Qian, Z. (., Maule, M. M., Qiu, X., Hong, Y. C., Brandelise, S., Roman, E., Wake, M., He, J. R., Linet, M. S. & the International Childhood Cancer Cohort Consortium, T. I. C. C. C. C., 2018, In: Paediatric and Perinatal Epidemiology. 32, 6, p. 568-583 16 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    The Danish National Birth Cohort - its background structure and aim

    Olsen, J., Melbye, M., Olsen, Sjurdur F., Sørensen, Thorkild I.A., Aaby, P., Nybo Andersen, Anne-Marie, Taxbøl, D., Hannes, K. D., Juhl, M., Schow, T. B., Sørensen, H. T., Andresen, J., Mortensen, Erik Lykke, Olesen, A. W. & Søndergaard, C., 2001, In: Scandinavian Journal of Public Health. 29, p. 300-307

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Telomere length is reduced in 9- to 16-year-old girls exposed to gestational diabetes in utero

    Hjort, L., Vryer, R., Grunnet, Louise Groth, Burgner, D., Olsen, Sjurdur F., Saffery, R. & Vaag, A., 2018, In: Diabetologia. 61, 4, p. 870-880 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Subclinical inflammation during third trimester of pregnancy was not associated with markers of the metabolic syndrome in young adult offspring

    Danielsen, I., Granström, C., Rytter, D., Halldorsson, T. I., Bech, B. H., Henriksen, T. B., Stehouwer, C. D. A., Schalkwijk, C. G., Vaag, Allan & Olsen, Sjurdur F., 2014, In: Obesity. 22, 5, p. 1351-1358 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Sources and determinants of vitamin D intake in Danish pregnant women

    Jensen, C. B., Petersen, S. B., Granström, C., Maslova, E., Mølgaard, Christian & Olsen, Sjurdur F., 2012, In: Nutrients. 4, 4, p. 259-272 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Sodium intake during pregnancy, but not other diet recommendations aimed at preventing cardiovascular disease, is positively related to risk of hypertensive disorders of pregnancy

    Arvizu, M., Bjerregaard, A. A., Madsen, M. T. B., Granstrom, C., Halldorsson, T. I., Olsen, Sjurdur F., Gaskins, A. J., Rich-Edwards, J., Rosner, B. A. & Chavarro, J. E., 2020, In: Journal of Nutrition. 150, 1, p. 159-166 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Sociodemographic characteristics and food habits of organic consumers: a study from the Danish National Birth Cohort

    Petersen, S. B., Rasmussen, Morten Arendt, Strøm, M., Halldorsson, T. I. & Olsen, Sjurdur F., 2013, In: Public Health Nutrition. 16, 10, p. 1810–1819 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Smoking habits among pregnant Danish women: reliability of information recorded after delivery

    Kesmodel, U. & Olsen, Sjurdur F., 1999, In: Journal of Epidemiology and Community Health. 53, 4, p. 239-42 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Sleep patterns, docosahexaenoic acid, and gestational length.

    Hansen, Harald S. & Olsen, Sjurdur F., 1 Feb 2004, In: American Journal of Clinical Nutrition. 79, 2

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Skal alle gravide screenes for serumferritin som led i jernmangelprofylaksen? [Should all pregnant women be screened for serum ferritin as a part of iron deficiency prophylaxis?]

    Olsen, Sjurdur F., 2010, In: Ugeskrift for Laeger. 172, 6

    Research output: Contribution to journal › Editorial › Research › peer-review

  29. Self reported alcohol intake in pregnancy: Comparison between four methods

    Kesmodel, U. & Olsen, Sjurdur F., 2001, In: Journal of Epidemiology and Community Health. 55, 10, p. 738-745 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Risk of childhood otitis media with focus on potentially modifiable factors: A Danish follow-up cohort study

    Kørvel-Hanquist, A., Koch, A., Lous, J., Olsen, Sjurdur F. & Homøe, Preben, 2018, In: International Journal of Pediatric Otorhinolaryngology. 106, p. 1-9 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Published

    Risk of Type 1 Diabetes in Children Is Not Increased After SARS-CoV-2 Infection: A Nationwide Prospective Study in Denmark

    Noorzae, R., Junker, T. G., Hviid, Anders Peter, Wohlfahrt, J. & Olsen, Sjurdur F., 2023, In: Diabetes Care. 46, 6, p. 1261-1264 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Risk Factors of Early Otitis Media in the Danish National Birth Cohort

    Kørvel-Hanquist, A., Koch, A., Niclasen, J., Dammeyer, Jesper, Lous, J., Olsen, Sjurdur F. & Homøe, Preben, 2016, In: P L o S One. 11, 11, 19 p., e0166465.

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. Published

    Residential proximity to agriculture and risk of childhood leukemia and central nervous system tumors in the Danish national birth cohort

    Patel, D. M., Gyldenkærne, S., Jones, R. R., Olsen, Sjurdur F., Tikellis, G., Granström, C., Dwyer, T., Stayner, L. T. & Ward, M. H., 2020, In: Environment International. 143, 9 p., 105955.

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Research Letter: Folic acid supplementation and intake of folate in pregnancy in relation to offspring risk of autism spectrum disorder

    Strøm, M., Granström, C., Lyall, K., Ascherio, A. & Olsen, Sjurdur F., 2018, In: Psychological Medicine. 48, 6, p. 1048-1054 7 p.

    Research output: Contribution to journal › Letter › Research › peer-review

  35. Published

    Reproducibility of a web-based Food frequency Questionnaire for 14 years old Danish adolescents: Annals of Nutrition and Metabolism

    Bjerregaard, A. A., Tetens, Inge , Olsen, Sjurdur F. & Halldorsson, T. I., 2015, p. 120. 1 p.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  36. Reproducibility of a web-based FFQ for 13- to 15-year-old Danish adolescents

    Bjerregaard, A. A., Tetens, Inge , Olsen, Sjurdur F. & Halldorsson, T. I., 2016, In: Journal of Nutritional Science. 5, 7 p., e5.

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Replication of DNA methylation variation reported in cord blood samples from GDM-affected pregnancies in preadolescent and adolescent offspring of women with GDM

    Hjort, L., Grunnet, Louise Groth, Saffery, R., Olsen, Sjurdur F. & Vaag, Allan, 2021, In: Diabetes Care. 44, 5, p. e87-e88 2 p.

    Research output: Contribution to journal › Letter › Research › peer-review

  38. Published

    Relative validity of fruit and vegetable intake estimated by the food frequency questionnaire used in the Danish National Birth Cohort

    Mikkelsen, T. B., Olsen, Sjurdur F., Rasmussen, S. E. & Osler, Merete, 2007, In: Scandinavian Journal of Public Health. 35, 2, p. 172-179 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Relative validity of a web-based food frequency questionnaire for Danish adolescents

    Bjerregaard, A. A., Halldorsson, T. I., Kampmann, F. B., Olsen, Sjurdur F. & Tetens, Inge , 2018, In: Nutrition Journal. 17, 10 p., 9.

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Relative validity and reproducibility of a food frequency questionnaire used in pregnant women from a rural area of China

    Li, M., Halldorsson, T. I., Bjerregaard, A. A., Che, Y., Mao, Y., Hu, W., Wang, Y., Zhou, W., Olsen, Sjurdur F. & Strøm, M., 2014, In: Acta Obstetricia et Gynecologica Scandinavica. 93, 11, p. 1141-1149 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Relative Validity and Reproducibility of a Web-Based Semi-Quantitative Food Frequency Questionnaire in the Danish Diet, Cancer, and Health—Next Generations MAX Study

    Rostgaard-Hansen, Agnetha Linn, Rosthøj, Susanne, Brunius, C., Olsen, Sjurdur F., Bjerregaard, A. A., Cade, J. E., Tjønneland, Anne, Landberg, R. & Halkjær, J., 2023, In: Nutrients. 15, 10, 19 p., 2389.

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. Relationship between birthweight and blood lipid concentrations in later life: evidence from the existing literature

    Laurén, L., Järvelin, M., Elliott, P., Sovio, U., Spellman, A., McCarthy, M., Emmett, P., Rogers, I., Hartikainen, A., Pouta, A., Hardy, R., Wadsworth, M., Helmsdal, G., Olsen, Sjurdur F., Bakoula, C., Lekea, V., Millwood, I. & EURO-BLCS Study Group, E. S. G., 2003, In: International Journal of Epidemiology. 32, 5, p. 862-76 15 p.

    Research output: Contribution to journal › Review › Research › peer-review

  43. Recreational physical activity and the risk of preeclampsia: A prospective cohort of Norwegian women

    Magnus, P., Trogstad, L., Owe, K. M., Olsen, Sjurdur F. & Nystad, W., 2008, In: American Journal of Epidemiology. 168, 8, p. 952-957 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Rationale, design, and method of the Diabetes & Women's Health study – a study of long-term health implications of glucose intolerance in pregnancy and their determinants

    Zhang, C., Hu, F. B., Olsen, Sjurdur F., Vaag, A., Gore-Langton, R., Chavarro, J. E., Bao, W., Yeung, E., Bowers, K., Grunnet, Louise Groth, Sherman, S., Kiely, M., Strøm, M., Hansen, S., Liu, A., Mills, J., Fan, R. & DWH study team, D. S. T., Nov 2014, In: Acta Obstetricia et Gynecologica Scandinavica. 93, 11, p. 1123-1130 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Randomised controlled trial of effect of fish-oil supplementation on pregnancy duration

    Olsen, Sjurdur F., Sorensen, J. D., Secher, N. J., Hedegaard, M., Henriksen, T. B., Hansen, Harald S. & Grant, A., 1 Jan 1992, In: Lancet. 339, 8800, p. 1003-1007 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Randomised clinical trials of fish oil supplementation in high risk pregnancies

    Olsen, Sjurdur F., Secher, N. J., Tabor, A., Weber, T., Walker, J. J. & Gluud, C., 2000, In: BJOG: An International Journal of Obstetrics and Gynaecology. 107, 3, p. 382-395 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Prospective study of gestational diabetes and fatty liver scores 9 to 16 years after pregnancy

    Donnelly, S. R., Hinkle, S. N., Rawal, S., Grunnet, Louise Groth, Chavarro, J. E., Vaag, A., Wu, J., Damm, Peter, Mills, J. L., Li, M., Bjerregaard, A. A., Thuesen, A. C. B., Gore-Langton, R. E., Francis, E. C., Ley, S. H., Hu, F. B., Tsai, M. Y., Olsen, Sjurdur F. & Zhang, C., Nov 2019, In: Journal of Diabetes. 11, 11, p. 895-905 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Programming research: Where are we and where do we go from here?

    Koletzko, B., Symonds, M. E. & Olsen, Sjurdur F., 2011, In: American Journal of Clinical Nutrition. 94, 6, p. 2036S-2043S

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Prepregnancy low-carbohydrate dietary pattern and risk of gestational diabetes mellitus: a prospective cohort study: a prospective cohort study

    Bao, W., Bowers, K., Tobias, D. K., Olsen, Sjurdur F., Chavarro, J., Vaag, Allan, Kiely, M. & Zhang, C., Jun 2014, In: The American Journal of Clinical Nutrition. 99, 6, p. 1378-1384 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Prepregnancy habitual intakes of total, supplemental, and food folate and risk of gestational diabetes mellitus: A prospective cohort study

    Li, M., Li, S., Chavarro, J. E., Gaskins, A. J., Ley, S. H., Hinkle, S. N., Wang, X., Ding, M., Bell, G., Bjerregaard, A. A., Olsen, Sjurdur F., Mills, J. L., Hu, F. B. & Zhang, C., 2019, In: Diabetes Care. 42, 6, p. 1034-1041 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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ID: 916552