Blar i Faculty of Medicine på emneord "Cohort study"

Viser treff 1-14 av 14

    • The Association between Lifetime Smoking Exposure and Breast Cancer Mortality – Results from a Norwegian Cohort 

      Bjerkaas, Eivind; Parajuli, Ranjan; Engeland, Anders; Maskarinec, Gertraud; Weiderpass, Elisabete; Gram, Inger Torhild (Peer reviewed; Journal article, 2014)
      Several recent cohort studies have found an association between smoking and breast cancer, but the association between lifetime smoking exposure and breast cancer mortality is less well described. We examined whether smoking ...

    • Breastfeeding patterns and its determinants among mothers living with Human Immuno-deficiency Virus -1 in four African countries participating in the ANRS 12174 trial 

      Some, Nagaonle Eric; Engebretsen, Ingunn Marie S.; Nagot, Nicolas; Meda, Nicolas; Lombard, Carl; Vallo, Roselyne; Peries, Marianne; Kankasa, Chipepo; Tumwine, James K; Hofmeyr, G. Justus; Singata, Mandisa; Harper, Kim; Van De Perre, Philippe; Tylleskär, Thorkild (Peer reviewed; Journal article, 2017-05-02)
      Background:  HIV-1 transmission rates have been reduced over the last decade, an estimated 2 million new infections per year arise, including 220,000 paediatric cases. The main post-natal HIV exposure is through breastfeeding, ...

    • Causal inference in multi-state models–sickness absence and work for 1145 participants after work rehabilitation 

      Gran, Jon Michael; Lie, Stein Atle; Øyeflaten, Irene Larsen; Borgan, Ørnulf; Aalen, Odd O. (Peer reviewed; Journal article, 2015-10-23)
      Background Multi-state models, as an extension of traditional models in survival analysis, have proved to be a flexible framework for analysing the transitions between various states of sickness absence and work over time. ...

    • Characterization of FGD5 expression in primary breast cancers and lymph node metastases 

      Valla, Marit; Mjønes, Patricia; Engstrøm, Monica J; Ytterhus, Borgny; Bordin, Diana Lilian; van Loon, Barbara; Akslen, Lars A.; Vatten, Lars Johan; Opdahl, Signe; Bofin, Anna M. (Peer reviewed; Journal article, 2018)
      Faciogenital dysplasia 5 (FGD5) amplification drives tumor cell proliferation, and is present in 9.5% of breast cancers. We describe FGD5 expression, assess associations between FGD5 amplification and FGD5 expression, and ...

    • The effect of urinary incontinence status during pregnancy and delivery mode on incontinence postpartum. A cohort study 

      Wesnes, Stian Langeland; Hunskår, Steinar; Bø, Kari; Rørtveit, Guri (Peer reviewed; Journal article, 2009-04)
      Objective: The objectives of this study were to investigate prevalence of urinary incontinence at 6 months postpartum and to study how continence status during pregnancy and mode of delivery influence urinary incontinence ...

    • Interferon-γ–induced inflammatory markers and the risk of cancer: The Hordaland Health Study 

      Zuo, Hui; Tell, Grethe Seppola; Vollset, Stein Emil; Ueland, Per Magne; Nygård, Ottar; Midttun, Øivind; Meyer, Klaus; Ulvik, Arve; Eussen, Simone (Peer reviewed; Journal article, 2014-06-19)
      Background It has been reported that interferon-γ (IFN-γ)–induced inflammatory markers, such as circulating neopterin and kynurenine-to-tryptophan ratio (KTR), are increased in patients with cancer and are also a predictor ...

    • Linear age-course effects on the associations between body mass index, triglycerides, and female breast and male liver cancer risk: An internal replication study of 800,000 individuals 

      Häggström, Christel; Jonsson, Håkan; Bjørge, Tone; Nagel, Gabriele; Manjer, Jonas; Ulmer, Hanno; Drake, Isabel; Ghaderi, Sara; Lang, Alois; Engeland, Anders; Stattin, Pär; Stocks, Tanja (Peer reviewed; Journal article, 2020)
      Apart from the consistently observed differential association between obesity and breast cancer risk by menopausal status, the associations between obesity and other metabolic imbalances with risks of cancers have not been ...

    • Physical health-related quality of life predicts disability pension due to musculoskeletal disorders: seven years follow-up of the Hordaland Health Study Cohort 

      Haukenes, Inger; Farbu, Erlend Hoftun; Riise, Trond; Tell, Grethe Seppola (Peer reviewed; Journal article, 2014-02-14)
      Background: Musculoskeletal diseases are characterized by a high degree of comorbidity with common mental disorders and are a major cause of health-related exclusion from working life. Using a prospective design we aimed ...

    • Pooled cohort study on height and risk of cancer and cancer death 

      Wiren, Sara; Häggström, Christel; Ulmer, Hanno; Manjer, Jonas; Bjørge, Tone; Nagel, Gabriele; Johansen, Dorthe; Hallmans, Göran; Engeland, Anders; Concin, Hans; Jonsson, Håkan; Selmer, Randi; Tretli, Steinar; Stocks, Tanja; Stattin, Pär (Peer reviewed; Journal article, 2013-10-31)
      Purpose: To assess the association between height and risk of cancer and cancer death. Methods: The metabolic syndrome and cancer project is a prospective pooled cohort study of 585,928 participants from seven cohorts in ...

    • Supplemental folic acid in pregnancy and childhood cancer risk 

      Mortensen, Jan Helge Seglem; Øyen, Nina; Fomina, Tatiana; Melbye, Mads; Tretli, Steinar; Vollset, Stein Emil; Bjørge, Tone (Peer reviewed; Journal article, 2016)
      Background: We investigated the association between supplemental folic acid in pregnancy and childhood cancer in a nationwide study of 687 406 live births in Norway, 1999–2010, and 799 children diagnosed later with cancer. ...

    • Supplemental folic acid in pregnancy and maternal cancer risk 

      Mortensen, Jan Helge Seglem; Øyen, Nina; Fomina, Tatiana; Melbye, Mads; Tretli, Steinar; Vollset, Stein Emil; Bjørge, Tone (Peer reviewed; Journal article, 2015-12)
      Background: There is evidence that increased intake of folate protects against the development of several types of cancer. Some studies have, however, raised concern about the safety of folate in relation to cancer risk. ...

    • Urinary Incontinence and Weight Change During Pregnancy and Postpartum: A Cohort Study 

      Wesnes, Stian Langeland; Hunskår, Steinar; Bø, Kari; Rørtveit, Guri (Peer reviewed; Journal article, 2010-11-01)
      Weight gain during pregnancy may contribute to increased urinary incontinence (UI) during and after pregnancy, but scientific support is lacking. The effect of weight loss on UI postpartum is unclear. From 1999 to 2006, ...

    • Urinary incontinence during pregnancy 

      Wesnes, Stian Langeland; Rørtveit, Guri; Bø, Kari; Hunskår, Steinar (Peer reviewed; Journal article, 2007-04)
      Objectives: To investigate incidence and prevalence of urinary incontinence during pregnancy, and associated risk factors. Method: The data collection was conducted as part of the Norwegian Mother and Child Cohort Study ...

    • Use of microbiology tests in the era of increasing AMR rates- a multicentre hospital cohort study 

      Skodvin, Brita; Wathne, Jannicke Slettli; Lindemann, Paul Christoffer; Harthug, Stig; Nilsen, Roy Miodini; Charani, Esmita; Syre, Heidi; Kittang, Bård Reiakvam; Kleppe, Lars Kåre Selland; Smith, Ingrid (Peer reviewed; Journal article, 2019-02-04)
      Background: Effective use of microbiology test results may positively influence patient outcomes and limit the use of broad-spectrum antibiotics. However, studies indicate that their potential is not fully utilized. We ...