Anders Hammerich Riis

  1. 2016
  2. Published

    Evaluation of Selection Bias in an Internet-based Study of Pregnancy Planners. / Hatch, Elizabeth E; Hahn, Kristen A; Wise, Lauren A; Mikkelsen, Ellen Margrethe; Kumar, Ramya; Fox, Matthew P; Brooks, Daniel R; Riis, Anders H; Sørensen, Henrik Toft; Rothman, Kenneth J.

    In: Epidemiology, Vol. 27, No. 1, 01.2016, p. 98-104.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  3. Published

    Folic acid supplementation and fecundability : a Danish prospective cohort study. / Cueto, H T; Riis, A H; Hatch, E E; Wise, L A; Rothman, K J; Sørensen, Henrik Toft; Mikkelsen, Ellen Margrethe.

    In: European Journal of Clinical Nutrition, Vol. 70, No. 1, 01.2016, p. 66-71.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  4. Published

    Alcohol consumption and fecundability : prospective Danish cohort study. / Mikkelsen, Ellen M; Hammerich Riis, Anders; Wise, Lauren A; Hatch, Elizabeth E; Rothman, Kenneth J; Cueto, Heidi Theresa; Sørensen, Henrik Toft.

    In: B M J (Online), Vol. 354, 2016, p. i4262.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  5. 2015
  6. Published

    Maternal Recall Error in Retrospectively Reported Time-to-Pregnancy : an Assessment and Bias Analysis. / Radin, Rose G; Rothman, Kenneth J; Hatch, Elizabeth E; Mikkelsen, Ellen M; Sørensen, Henrik Toft; Riis, Anders H; Fox, Matthew P; Wise, Lauren A.

    In: Paediatric and Perinatal Epidemiology (Online), Vol. 29, No. 6, 11.2015, p. 576-88.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  7. Published

    Pre-gravid oral contraceptive use in relation to birth weight : a prospective cohort study. / Hatch, Elizabeth E; Hahn, Kristen A; Mikkelsen, Ellen M; Riis, Anders H; Sorensen, Henrik Toft; Rothman, Kenneth J; Wise, Lauren A.

    In: European Journal of Epidemiology, Vol. 30, No. 11, 11.2015, p. 1199-208.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  8. Published

    History of oral contraceptive use and risk of spontaneous abortion. / Hahn, Kristen A; Hatch, Elizabeth E; Rothman, Kenneth J; Mikkelsen, Ellen M; Brogly, Susan B; Sørensen, Henrik Toft; Riis, Anders H; Wise, Lauren A.

    In: Annals of Epidemiology, 14.09.2015.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  9. Published

    Low-Dose Aspirin or Nonsteroidal Anti-inflammatory Drug Use and Colorectal Cancer Risk : A Population-Based, Case-Control Study. / Friis, Søren; Riis, Anders H; Erichsen, Rune; Baron, John A; Sørensen, Henrik T.

    In: Annals of Internal Medicine, Vol. 163, No. 5, 01.09.2015, p. 347-55.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  10. Published

    A validated algorithm to ascertain colorectal cancer recurrence using registry resources in Denmark. / Lash, Timothy L; Riis, Anders H; Ostenfeld, Eva B; Erichsen, Rune; Vyberg, Mogens; Thorlacius-Ussing, Ole.

    In: International Journal of Cancer, Vol. 136, No. 9, 01.05.2015, p. 2210-5.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  11. Published

    Caffeine and caffeinated beverage consumption and risk of spontaneous abortion. / Hahn, K A; Wise, L A; Rothman, K J; Mikkelsen, E M; Brogly, S B; Sørensen, H T; Riis, A H; Hatch, E E.

    In: Human reproduction (Oxford, England), Vol. 30, No. 5, 05.2015, p. 1246-55.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  12. Published

    Short look-back periods in pharmacoepidemiologic studies of new users of antibiotics and asthma medications introduce severe misclassification. / Riis, Anders Hammerich; Johansen, Martin Berg; Jacobsen, Jacob B; Brookhart, M Alan; Stürmer, Til; Støvring, Henrik.

    In: Pharmacoepidemiology and Drug Safety, Vol. 24, No. 5, 05.2015, p. 478-485.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  13. Published

    A prospective cohort study of a woman's own gestational age and her fecundability. / Nielsen, Cathrine Wildenschild ; Riis, A H; Ehrenstein, V; Hatch, E E; Wise, L A; Rothman, K J; Sørensen, H T; Mikkelsen, E M.

    In: Human reproduction (Oxford, England), Vol. 30, No. 4, 04.2015, p. 947-56.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  14. Published

    Prospective study of time to pregnancy and adverse birth outcomes. / Wise, Lauren A; Mikkelsen, Ellen M; Sørensen, Henrik Toft; Rothman, Kenneth J; Hahn, Kristen A; Riis, Anders H; Hatch, Elizabeth E.

    In: Fertility and Sterility, Vol. 103, No. 4, 04.2015, p. 1065-1073.e2.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  15. Published

    Folic acid supplement use and menstrual cycle characteristics : a cross-sectional study of Danish pregnancy planners. / Cueto, Heidi T; Riis, Anders H; Hatch, Elizabeth E; Wise, Lauren A; Rothman, Kenneth J; Sørensen, Henrik Toft; Mikkelsen, Ellen M.

    In: Annals of Epidemiology, Vol. 25, No. 10, 2015, p. 723-9.e1.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  16. Published

    Out-of-hours and weekend admissions to Danish medical departments : admission rates and 30-day mortality for 20 common medical conditions. / Vest-Hansen, Betina; Riis, Anders Hammerich; Sørensen, Henrik Toft; Christiansen, Christian Fynbo.

    In: BMJ Open, Vol. 5, No. 3, 2015, p. e006731.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  17. Published

    Preadmission glucocorticoid use and anastomotic leakage after colon and rectal cancer resections : a Danish cohort study. / Ostenfeld, Eva Bjerre; Erichsen, Rune; Baron, John A; Thorlacius-Ussing, Ole; Iversen, Lene Hjerrild; Riis, Anders H; Sørensen, Henrik Toft; Danish Colorectal Cancer Group.

    In: BMJ Open, Vol. 5, No. 9, 2015, p. e008045.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  18. 2014
  19. Published

    Metformin use and prostate cancer risk. / Preston, Mark A; Riis, Anders H; Ehrenstein, Vera; Breau, Rodney H; Batista, Julie L; Olumi, Aria F; Mucci, Lorelei A; Adami, Hans-Olov; Sørensen, Henrik T.

    In: European Urology, Vol. 66, No. 6, 12.2014, p. 1012-20.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  20. Published

    Body Size and Risk of Spontaneous Abortion among Danish Pregnancy Planners. / Hahn, Kristen A; Hatch, Elizabeth E; Rothman, Kenneth J; Mikkelsen, Ellen M; Brogly, Susan B; Sørensen, Henrik T; Riis, Anders H; Wise, Lauren A.

    In: Paediatric and Perinatal Epidemiology (Online), Vol. 28, No. 5, 09.2014, p. 412-23.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  21. Published

    Acute admissions to medical departments in Denmark : Diagnoses and patient characteristics. / Vest-Hansen, Betina; Riis, Anders Hammerich; Sørensen, Henrik Toft; Christiansen, Christian Fynbo.

    In: European Journal of Internal Medicine, Vol. 25, No. 7, 02.07.2014, p. 639-645.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  22. Published

    Active and passive smoking and fecundability in Danish pregnancy planners. / Radin, Rose G; Hatch, Elizabeth E; Rothman, Kenneth J; Mikkelsen, Ellen M; Sørensen, Henrik Toft; Riis, Anders H; Wise, Lauren A.

    In: Fertility and Sterility, Vol. 102, No. 1, 07.2014, p. 183-191.e2.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  23. Published

    Weight at birth and subsequent fecundability: a prospective cohort study. / Nielsen, Cathrine Wildenschild ; Hammerich Riis, Anders; Ehrenstein, Vera; Heitmann, Berit Lilienthal; Hatch, Elizabeth E; Wise, Lauren A; Rothman, Kenneth J; Sørensen, Henrik Toft; Mikkelsen, Ellen Margrethe.

    In: P L o S One, 15.04.2014, p. e95257.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  24. Published

    Pre-admission use of glucocorticoids and 30-day mortality following colorectal cancer surgery : a population-based Danish cohort study. / Ostenfeld, E B; Erichsen, R; Thorlacius-Ussing, O; Riis, A H; Sørensen, H T.

    In: Alimentary Pharmacology and Therapeutics, Vol. 39, No. 8, 04.2014, p. 843-53.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  25. Published

    Weight at birth and subsequent fecundability : a prospective cohort study. / Wildenschild, Cathrine; Riis, Anders H; Ehrenstein, Vera; Heitmann, Berit L; Hatch, Elizabeth E; Wise, Lauren A; Rothman, Kenneth J; Sørensen, Henrik T; Mikkelsen, Ellen M.

    In: PLOS ONE, Vol. 9, No. 4, 2014, p. e95257.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  26. 2013
  27. Published

    Pre-gravid oral contraceptive use and time to pregnancy : a Danish prospective cohort study. / Mikkelsen, Ellen M; Riis, Anders H; Wise, Lauren A; Hatch, Elizabeth E; Rothman, Kenneth J; Sørensen, Henrik Toft.

    In: Human reproduction (Oxford, England), Vol. 28, No. 5, 05.2013, p. 1398-405.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  28. Published

    Heritability and familial aggregation of diverticular disease : a population-based study of twins and siblings. / Strate, Lisa L; Erichsen, Rune; Baron, John A; Mortensen, Jakob; Pedersen, Jacob Krabbe; Riis, Anders H; Christensen, Kaare; Sørensen, Henrik Toft.

    In: Gastroenterology, Vol. 144, No. 4, 04.2013, p. 736-742.e1.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  29. Published

    Volitional determinants and age-related decline in fecundability : a general population prospective cohort study in Denmark. / Rothman, Kenneth J; Wise, Lauren A; Sørensen, Henrik T; Riis, Anders H; Mikkelsen, Ellen M; Hatch, Elizabeth E.

    In: Fertility and Sterility, 18.03.2013.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review