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Items: 1 to 50 of 78

1.

Adjusting for unmeasured confounding using validation data: Simplified two-stage calibration for survival and dichotomous outcomes.

Hjellvik V, De Bruin ML, Samuelsen SO, Karlstad Ø, Andersen M, Haukka J, Vestergaard P, de Vries F, Furu K.

Stat Med. 2019 Jul 10;38(15):2719-2734. doi: 10.1002/sim.8131. Epub 2019 Mar 3.

PMID:
30828842
2.

Ultraviolet radiation and skin cancer risk in offshore workers.

Stenehjem JS, Robsahm TE, Bråtveit M, Samuelsen SO, Kirkeleit J, Grimsrud TK.

Occup Med (Lond). 2017 Oct 1;67(7):569-573. doi: 10.1093/occmed/kqx110.

PMID:
29048595
3.

Re-examining the link between prenatal maternal anxiety and child emotional difficulties, using a sibling design.

Bekkhus M, Lee Y, Nordhagen R, Magnus P, Samuelsen SO, Borge AIH.

Int J Epidemiol. 2018 Feb 1;47(1):156-165. doi: 10.1093/ije/dyx186.

4.

Aromatic hydrocarbons and risk of skin cancer by anatomical site in 25 000 male offshore petroleum workers.

Stenehjem JS, Robsahm TE, Bråtveit M, Samuelsen SO, Kirkeleit J, Grimsrud TK.

Am J Ind Med. 2017 Aug;60(8):679-688. doi: 10.1002/ajim.22741.

PMID:
28692192
5.

Long Term Association between Serum 25-Hydroxyvitamin D and Mortality in a Cohort of 4379 Men.

Meyer HE, Støer NC, Samuelsen SO, Blomhoff R, Robsahm TE, Brustad M, Giovannucci EL, Bjørge T.

PLoS One. 2016 Mar 17;11(3):e0151441. doi: 10.1371/journal.pone.0151441. eCollection 2016.

6.

A combination of low serum concentrations of vitamins K1 and D is associated with increased risk of hip fractures in elderly Norwegians: a NOREPOS study.

Finnes TE, Lofthus CM, Meyer HE, Søgaard AJ, Tell GS, Apalset EM, Gjesdal C, Grimnes G, Schei B, Blomhoff R, Samuelsen SO, Holvik K.

Osteoporos Int. 2016 Apr;27(4):1645-1652. doi: 10.1007/s00198-015-3435-0. Epub 2015 Dec 2.

PMID:
26630974
7.

Benzene exposure and risk of lymphohaematopoietic cancers in 25,000 offshore oil industry workers.

Stenehjem JS, Kjærheim K, Bråtveit M, Samuelsen SO, Barone-Adesi F, Rothman N, Lan Q, Grimsrud TK.

Br J Cancer. 2015 Dec 1;113(11):1641. doi: 10.1038/bjc.2015.390. No abstract available.

8.

No increase in risk of hip fracture at high serum retinol concentrations in community-dwelling older Norwegians: the Norwegian Epidemiologic Osteoporosis Studies.

Holvik K, Ahmed LA, Forsmo S, Gjesdal CG, Grimnes G, Samuelsen SO, Schei B, Blomhoff R, Tell GS, Meyer HE.

Am J Clin Nutr. 2015 Nov;102(5):1289-96. doi: 10.3945/ajcn.115.110528. Epub 2015 Sep 16.

PMID:
26377161
9.

Benzene exposure and risk of lymphohaematopoietic cancers in 25 000 offshore oil industry workers.

Stenehjem JS, Kjærheim K, Bråtveit M, Samuelsen SO, Barone-Adesi F, Rothman N, Lan Q, Grimsrud TK.

Br J Cancer. 2015 Apr 28;112(9):1603-12. doi: 10.1038/bjc.2015.108. Epub 2015 Mar 24. Erratum in: Br J Cancer. 2015 Dec 1;113(11):1641.

10.

Low serum concentrations of alpha-tocopherol are associated with increased risk of hip fracture. A NOREPOS study.

Holvik K, Gjesdal CG, Tell GS, Grimnes G, Schei B, Apalset EM, Samuelsen SO, Blomhoff R, Michaëlsson K, Meyer HE.

Osteoporos Int. 2014 Nov;25(11):2545-54. doi: 10.1007/s00198-014-2802-6. Epub 2014 Jul 26.

PMID:
25062727
11.

Procollagen type 1 amino-terminal propeptide (P1NP) and risk of hip fractures in elderly Norwegian men and women. A NOREPOS study.

Finnes TE, Lofthus CM, Meyer HE, Eriksen EF, Apalset EM, Tell GS, Torjesen P, Samuelsen SO, Holvik K.

Bone. 2014 Jul;64:1-7. doi: 10.1016/j.bone.2014.03.010. Epub 2014 Mar 22.

PMID:
24667179
12.

Reuse of controls in nested case-control studies.

Støer NC, Meyer HE, Samuelsen SO.

Epidemiology. 2014 Mar;25(2):315-7. doi: 10.1097/EDE.0000000000000057. No abstract available.

PMID:
24487222
13.

Inverse probability weighting in nested case-control studies with additional matching--a simulation study.

Støer NC, Samuelsen SO.

Stat Med. 2013 Dec 30;32(30):5328-39. doi: 10.1002/sim.6019. Epub 2013 Oct 17.

PMID:
24132909
14.

Low serum levels of 25-hydroxyvitamin D predict hip fracture in the elderly: a NOREPOS study.

Holvik K, Ahmed LA, Forsmo S, Gjesdal CG, Grimnes G, Samuelsen SO, Schei B, Blomhoff R, Tell GS, Meyer HE.

J Clin Endocrinol Metab. 2013 Aug;98(8):3341-50. doi: 10.1210/jc.2013-1468. Epub 2013 May 15.

PMID:
23678033
15.

Fetal death and placental weight/birthweight ratio: a population study.

Haavaldsen C, Samuelsen SO, Eskild A.

Acta Obstet Gynecol Scand. 2013 May;92(5):583-90. doi: 10.1111/aogs.12105. Epub 2013 Mar 1.

PMID:
23398315
16.

Risk of fetal death after pandemic influenza virus infection or vaccination.

Håberg SE, Trogstad L, Gunnes N, Wilcox AJ, Gjessing HK, Samuelsen SO, Skrondal A, Cappelen I, Engeland A, Aavitsland P, Madsen S, Buajordet I, Furu K, Nafstad P, Vollset SE, Feiring B, Nøkleby H, Magnus P, Stoltenberg C.

N Engl J Med. 2013 Jan 24;368(4):333-40. doi: 10.1056/NEJMoa1207210. Epub 2013 Jan 16.

17.

Helicobacter pylori infection and severe hyperemesis gravidarum among immigrant women in Norway: a case-control study.

Vikanes AV, Støer NC, Gunnes N, Grjibovski AM, Samuelsen SO, Magnus P, Melby KK.

Eur J Obstet Gynecol Reprod Biol. 2013 Mar;167(1):41-6. doi: 10.1016/j.ejogrb.2012.11.007. Epub 2012 Dec 27.

PMID:
23273662
18.

Hypertensive disorders in pregnancy and fetal death at different gestational lengths: a population study of 2 121 371 pregnancies.

Ahmad AS, Samuelsen SO.

BJOG. 2012 Nov;119(12):1521-8. doi: 10.1111/j.1471-0528.2012.03460.x. Epub 2012 Aug 24.

19.

Comparison of estimators in nested case-control studies with multiple outcomes.

Støer NC, Samuelsen SO.

Lifetime Data Anal. 2012 Jul;18(3):261-83. doi: 10.1007/s10985-012-9214-8. Epub 2012 Mar 2.

PMID:
22382602
20.

Ageing, physical activity and mortality--a 42-year follow-up study.

Gulsvik AK, Thelle DS, Samuelsen SO, Myrstad M, Mowé M, Wyller TB.

Int J Epidemiol. 2012 Apr;41(2):521-30. doi: 10.1093/ije/dyr205. Epub 2011 Dec 23.

PMID:
22253311
21.

Analysis of alcohol and drugs in oral fluid from truck drivers in Norway.

Gjerde H, Christophersen AS, Normann PT, Pettersen BS, Sabaredzovic A, Samuelsen SO, Mørland J.

Traffic Inj Prev. 2012;13(1):43-8. doi: 10.1080/15389588.2011.627957.

PMID:
22239142
22.

The association of maternal age with placental weight: a population-based study of 536,954 pregnancies.

Haavaldsen C, Samuelsen SO, Eskild A.

BJOG. 2011 Nov;118(12):1470-6. doi: 10.1111/j.1471-0528.2011.03053.x. Epub 2011 Jul 12.

23.

Alcohol, psychoactive drugs and fatal road traffic accidents in Norway: a case-control study.

Gjerde H, Normann PT, Christophersen AS, Samuelsen SO, Mørland J.

Accid Anal Prev. 2011 May;43(3):1197-203. doi: 10.1016/j.aap.2010.12.034. Epub 2011 Jan 21.

PMID:
21376919
24.

Changes in fetal death during 40 years-different trends for different gestational ages: a population-based study in Norway.

Sarfraz AA, Samuelsen SO, Eskild A.

BJOG. 2011 Mar;118(4):488-94. doi: 10.1111/j.1471-0528.2010.02819.x. Epub 2010 Dec 23.

25.

The impact of maternal age on fetal death: does length of gestation matter?

Haavaldsen C, Sarfraz AA, Samuelsen SO, Eskild A.

Am J Obstet Gynecol. 2010 Dec;203(6):554.e1-8. doi: 10.1016/j.ajog.2010.07.014. Epub 2010 Aug 30.

PMID:
20800215
26.

Maternal body composition, smoking, and hyperemesis gravidarum.

Vikanes A, Grjibovski AM, Vangen S, Gunnes N, Samuelsen SO, Magnus P.

Ann Epidemiol. 2010 Aug;20(8):592-8. doi: 10.1016/j.annepidem.2010.05.009.

PMID:
20609338
27.

[The CONOR database--a little piece of Norway].

Aamodt G, Søgaard AJ, Naess Ø, Beckstrøm AC, Samuelsen SO.

Tidsskr Nor Laegeforen. 2010 Feb 11;130(3):264-5. doi: 10.4045/tidsskr.09.0369. Norwegian. No abstract available.

28.

Maternal human parvovirus B19 infection and the risk of fetal death and low birthweight: a case-control study within 35 940 pregnant women.

Sarfraz AA, Samuelsen SO, Bruu AL, Jenum PA, Eskild A.

BJOG. 2009 Oct;116(11):1492-8. doi: 10.1111/j.1471-0528.2009.02211.x.

29.

Maternal BMI before pregnancy, maternal weight gain during pregnancy, and risk of persistent positivity for multiple diabetes-associated autoantibodies in children with the high-risk HLA genotype: the MIDIA study.

Rasmussen T, Stene LC, Samuelsen SO, Cinek O, Wetlesen T, Torjesen PA, Rønningen KS.

Diabetes Care. 2009 Oct;32(10):1904-6. doi: 10.2337/dc09-0663. Epub 2009 Jul 10.

30.

Birth weight and childhood cancer.

Samuelsen SO, Bakketeig LS, Tretli S, Johannesen TB, Magnus P.

Epidemiology. 2009 Jul;20(4):484-7. doi: 10.1097/EDE.0b013e3181a7786d.

PMID:
19525684
31.

A dietary pattern characterized by high intake of vegetables, fruits, and vegetable oils is associated with reduced risk of preeclampsia in nulliparous pregnant Norwegian women.

Brantsaeter AL, Haugen M, Samuelsen SO, Torjusen H, Trogstad L, Alexander J, Magnus P, Meltzer HM.

J Nutr. 2009 Jun;139(6):1162-8. doi: 10.3945/jn.109.104968. Epub 2009 Apr 15.

32.

Analysis of first coitus.

Stigum H, Samuelsen SO, Traeen B.

Arch Sex Behav. 2010 Aug;39(4):907-14. doi: 10.1007/s10508-009-9494-6. Epub 2009 Mar 28.

PMID:
19330437
33.

Reproduction rates after cancer treatment: experience from the Norwegian radium hospital.

Cvancarova M, Samuelsen SO, Magelssen H, Fosså SD.

J Clin Oncol. 2009 Jan 20;27(3):334-43. doi: 10.1200/JCO.2007.15.3130. Epub 2008 Dec 15.

PMID:
19075285
34.

[A new study of chronic lymphatic leukemia in Norway].

Johannesen TB, Ly B, Samuelsen SO, Tjønnfjord GE, Jønsson V.

Tidsskr Nor Laegeforen. 2008 Mar 13;128(6):713. Norwegian. No abstract available.

35.

Looking for CLL genes.

Jønsson V, Samuelsen SO, Tjønnfjord G, Johannesen T.

Leuk Lymphoma. 2008 Jan;49(1):10-1. doi: 10.1080/10428190701713705. No abstract available.

PMID:
18203003
36.

Possible imprinting and microchimerism in chronic lymphocytic leukemia and related lymphoproliferative disorders.

Jønsson V, Tjønnfjord GE, Johannesen TB, Samuelsen SO, Ly B.

Transl Oncogenomics. 2008 Feb 10;3:15-20.

37.

Birth order pattern in the inheritance of chronic lymphocytic leukaemia and related lymphoproliferative disease.

Jønsson V, Tjønnfjord G, Samuelsen SO, Johannesen T, Olsen J, Sellick G, Houlston R, Yuille M, Catovsky D.

Leuk Lymphoma. 2007 Dec;48(12):2387-96.

PMID:
18067015
38.

Attributable fractions with survival data.

Samuelsen SO, Eide GE.

Stat Med. 2008 Apr 30;27(9):1447-67.

PMID:
17694507
39.

A short matrix-version of the Edinburgh Depression Scale.

Eberhard-Gran M, Eskild A, Samuelsen SO, Tambs K.

Acta Psychiatr Scand. 2007 Sep;116(3):195-200.

PMID:
17655561
40.

Urine flavonoids and plasma carotenoids in the validation of fruit, vegetable and tea intake during pregnancy in the Norwegian Mother and Child Cohort Study (MoBa).

Brantsaeter AL, Haugen M, Rasmussen SE, Alexander J, Samuelsen SO, Meltzer HM.

Public Health Nutr. 2007 Aug;10(8):838-47. Epub 2007 May 11.

PMID:
17493318
41.

Association between level of physical activity and lung function among Norwegian men and women: the HUNT study.

Nystad W, Samuelsen SO, Nafstad P, Langhammer A.

Int J Tuberc Lung Dis. 2006 Dec;10(12):1399-405.

PMID:
17167959
42.

[Abortion among young women--the importance of family environment factors and social class].

Pedersen W, Samuelsen SO, Eskild A.

Tidsskr Nor Laegeforen. 2006 Jun 22;126(13):1734-7. Norwegian.

43.

A simulation study of three methods for detecting disease clusters.

Aamodt G, Samuelsen SO, Skrondal A.

Int J Health Geogr. 2006 Apr 12;5:15.

44.

Post-neonatal mortality in Norway 1969-95: a cause-specific analysis.

Arntzen A, Samuelsen SO, Daltveit AK, Stoltenberg C.

Int J Epidemiol. 2006 Aug;35(4):1083-9. Epub 2006 Mar 23.

PMID:
16556644
45.

Head circumference at birth and risk of brain cancer in childhood: a population-based study.

Samuelsen SO, Bakketeig LS, Tretli S, Johannesen TB, Magnus P.

Lancet Oncol. 2006 Jan;7(1):39-42.

PMID:
16389182
46.

A simple correction for ties when censoring times depend on covariates.

Samuelsen SO, Wisløff TF, Skrondal A.

Stat Med. 2005 Oct 30;24(20):3111-21.

PMID:
16158410
47.

Cesarean delivery and cow milk allergy/intolerance.

Eggesbø M, Botten G, Stigum H, Samuelsen SO, Brunekreef B, Magnus P.

Allergy. 2005 Sep;60(9):1172-3.

PMID:
16076303
48.

[Parents' education and infant mortality 1967-1998].

Arntzen A, Samuelsen SO, Bakketeig LS, Stoltenberg C.

Tidsskr Nor Laegeforen. 2004 Nov 18;124(22):2904-6. Norwegian.

49.

Socioeconomic status and risk of infant death. A population-based study of trends in Norway, 1967-1998.

Arntzen A, Samuelsen SO, Bakketeig LS, Stoltenberg C.

Int J Epidemiol. 2004 Apr;33(2):279-88.

PMID:
15082627
50.

Association of head circumference at birth among sibling pairs.

Samuelsen SO, Stene LC, Bakketeig LS.

Paediatr Perinat Epidemiol. 2004 Jan;18(1):26-32.

PMID:
14738544

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