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  • In search of a common currency: A comparison of seven EQ‐5D‐5L value sets 

    Olsen, Jan Abel; Lamu, Admassu Nadew; Cairns, John (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-10-24)
    The recently published EQ‐5D‐5L value sets from Canada, England, Japan, Korea, the Netherlands, Spain, and Uruguay are compared with an aim to identify any similarities in preference pattern. We identify some striking similarities for Canada, England, the Netherlands, and Spain in terms of (a) the relative importance of the 5 dimensions; (b) the relative utility decrements across the 5 levels; and ...
  • Teamwork in primary palliative care: general practitioners’ and specialised oncology nurses’ complementary competencies 

    Johansen, May-Lill; Ervik, Bente (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-02-21)
    <p><i>Background</i>: Generalists such as general practitioners and district nurses have been the main actors in community palliative care in Norway. Specialised oncology nurses with postgraduate palliative training are increasingly becoming involved. There is little research on their contribution. This study explores how general practitioners (GPs) and oncology nurses (ONs) experience their ...
  • Patterns of detectable viraemia among children and adults with HIV infection taking antiretroviral therapy in Zimbabwe 

    Sovershaeva, Evgeniya; Shamu, Tinei; Wilsgaard, Tom; Bandason, Tsitsi; Flægstad, Trond; Katzenstein, David; Ferrand, Rashida A.; Odland, Jon Øyvind (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-10-31)
    <i>Objective</i>: To investigate the incidence and predictors of viraemia among individuals on antiretroviral therapy (ART) in Harare, Zimbabwe.<p> <p><i>Methods</i>: Children (0–19 years) and adults (>19 years) starting ART between 2013 and 2015 were followed for a median of 2.8 and 2.7 years, respectively. The incidence rates of virological failure (VF), low-level viraemia (LLV), and viral ...
  • Applying GRADE-CERQual to qualitative evidence synthesis findings–paper 7: understanding the potential impacts of dissemination bias 

    Booth, Andrew; Lewin, Simon Arnold; Glenton, Claire; Munthe-Kaas, Heather Menzies; Toews, Ingrid; Noyes, Jane; Rashidian, Arash; Berg, Rigmor; Nyakang’o, Brenda; Meerpohl, Jörg J. (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-01-25)
    <p><i>Background</i>: The GRADE-CERQual (Confidence in Evidence from Reviews of Qualitative research) approach has been developed by the GRADE (Grading of Recommendations Assessment, Development and Evaluation) Working Group. The approach has been developed to support the use of findings from qualitative evidence syntheses in decision-making, including guideline development and policy formulation. ...
  • Mesothelioma in Sweden: Dose–Response Analysis for Exposure to 29 Potential Occupational Carcinogenic Agents 

    Plato, Nils; Martinsen, Jan Ivar; Kjærheim, Kristina; Kyyrönen, Pentti; Sparen, Pär; Weiderpass, Elisabete (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-04-21)
    <i>Background</i>: There is little information on the doseeresponse relationship between exposure to occupational carcinogenic agents and mesothelioma. This study aimed to investigate this association as well as the existence of agents other than asbestos that might cause mesothelioma.<p> <p><i>Methods</i>: The Swedish component of the Nordic Occupational Cancer (NOCCA) study consists of 6.78 ...
  • High HIV and active tuberculosis prevalence and increased mortality risk in adults with symptoms of TB: a systematic review and meta-analyses 

    Nliwasa, Marriot; MacPherson, Peter; Gupta-Wright, Ankur; Mwapasa, Mphatso; Horton, Katherine; Odland, Jon Øyvind; Flach, Clare; Corbett, Elizabeth L. (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-07-31)
    <i>Introduction</i>: HIV and tuberculosis (TB) remain leading causes of preventable death in low- and middle-income countries(LMICs). The World Health Organization (WHO) recommends HIV testing for all individuals with TB symptoms, but implementation has been suboptimal. We conducted a systematic literature review and meta-analyses to estimate HIV and TB prevalence, and short-term (two to six months) ...
  • Intake of Sugar-Sweetened Beverages in Adolescents from Troms, Norway-The Tromsø Study: Fit Futures 

    Skeie, Guri; Sandvær, Vårin; Grimnes, Guri (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-01-22)
    High intake of sugar-sweetened beverages (SSB) has been associated with weight gain and chronic disease. The objective of this paper was to study the intake of SSB and characteristics associated with SSB intake in adolescents from Troms, Norway. We present results from a cross-sectional analysis from the Tromsø Study: <i>Fit Futures</i>, with 426 female and 444 male students aged 15–17 years (93% ...
  • Perceived physical strain at work and incidence of prostate cancer - A case-control study in Sweden and Finland 

    Sormunen, Jorma; Talibov, Madar; Sparén, Pär; Martinsen, Jan Ivar; Weiderpass, Elisabete; Pukkala, Eero (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-07-23)
    The evidence that prostate cancer is associated to physical inactivity is inconsistent. We studied the association of perceived physical workload (PPWL) at work and incidence of prostate cancer in a case-control setting. We used data from the Nordic Occupational Cancer study from Finland and Sweden. Five population controls were selected for each prostate cancer patient, matched on age and country. ...
  • A person-centered integrated care quality framework, based on a qualitative study of patients' evaluation of care in light of chronic care ideals 

    Berntsen, Gro Karine Rosvold; Høyem, Audhild; Lettrem, Idar; Ruland, Cornelia; Rumpsfeld, Markus; Gammon, Barbara Deede (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-06-20)
    <p><i>Background</i>: Person-Centered Integrated Care (PC-IC) is believed to improve outcomes and experience for persons with multiple long-term and complex conditions. No broad consensus exists regarding how to capture the patient-experienced quality of PC-IC. Most PC-IC evaluation tools focus on care events or care in general. Building on others’ and our previous work, we outlined a 4-stage ...
  • Plasma concentrations and dietary intakes of choline and betaine in association with atrial fibrillation risk: Results from 3 prospective cohorts with different health profiles 

    Zuo, Hui; Svingen, Gard Frodahl Tveitevåg; Tell, Grethe S.; Ueland, Per Magne; Vollset, Stein Emil; Pedersen, Eva Ringdal; Ulvik, Arve; Meyer, Klaus; Nordrehaug, Jan Erik; Nilsen, Dennis W.T.; Bønaa, Kaare; Nygård, Ottar (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-04-12)
    <p><i>Background - </i>Although choline metabolism has been associated with atherosclerotic heart disease, less research attention has been paid to the associations of choline and its oxidative metabolite betaine with cardiac arrhythmias. <p><i>Methods and Results - </i>We evaluated associations of plasma concentrations and dietary intakes of choline and betaine with long-term atrial fibrillation ...
  • Variation in nordic work-related cancer risks after adjustment for alcohol and tobacco 

    Kjærheim, Kristina; Haldorsen, Tor; Lynge, Elsebeth; Martinsen, Jan Ivar; Pukkala, Eero; Weiderpass, Elisabete; Grimsrud, Tom Kristian (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-12-06)
    Background: <br>Alcohol and tobacco strongly increases the risk of cancers of the tongue, mouth, pharynx, larynx, and oesophagus, and are also established risk factors for cancer of the liver, colon, and rectum. It is well documented that these habits are unequally distributed among occupational groups. Most occupational cohort studies lack information on these potentially important confounders, ...
  • Cost-Effectiveness of Telemedicine in Remote Orthopedic Consultations: Randomized Controlled Trial 

    Buvik, Astrid Synnøve; Bergmo, Trine Strand; Bugge, Einar; Småbrekke, Arvid; Wilsgaard, Tom; Olsen, Jan Abel (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-02-19)
    <p><i>Background</i>: Telemedicine consultations using real-time videoconferencing has the potential to improve access and quality of care, avoid patient travels, and reduce health care costs.</p> <p><i>Objective</i>: The aim of this study was to examine the cost-effectiveness of an orthopedic videoconferencing service between the University Hospital of North Norway and a regional medical center ...
  • Each pregnancy linearly changes immune gene expression in the blood of healthy women compared with breast cancer patients 

    Lund, Eiliv; Nakamura, Aurelie; Snapkov, Igor; Thalabard, Jean-Christophe; Olsen, Karina Standahl; Holden, Lars; Holden, Marit (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-04-30)
    <p><i>Background</i>: There is a large body of evidence demonstrating long-lasting protective effect of each full-term pregnancy (FTP) on the development of breast cancer (BC) later in life, a phenomenon that could be related to both hormonal and immunological changes during pregnancies. In this work, we studied the pregnancy-associated differences in peripheral blood gene expression profiles between ...
  • Identifying and correcting epigenetics measurements for systematic sources of variation 

    Perrier, Flavie; Novoloaca, Alexei; Ambatipudi, Srikant; Baglietto, Laura; Ghantous, Akram; Perduca, Vittorio; Barrdahl, Myrto; Harlid, Sophia; Ong, Ken K; Cardona, Alexia; Polidoro, Silvia; Nøst, Therese Haugdahl; Overvad, Kim; Omichessan, Hanane; Dollé, Martijn; Bamia, Christina; Huerta, José María; Vineis, Paolo; Herceg, Zdenko; Romieu, Isabelle; Ferrari, Pietro (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-03-21)
    <i>Background</i>: Methylation measures quantified by microarray techniques can be affected by systematic variation due to the technical processing of samples, which may compromise the accuracy of the measurement process and contribute to bias the estimate of the association under investigation. The quantification of the contribution of the systematic source of variation is challenging in datasets ...
  • The management of acute myocardial infarction in the Russian Federation: Protocol for a study of patient pathways [version 2; referees: 2 approved] 

    Kontsevaya, Anna V; Bobrova, Natalia; Barbarash, Olga; Duplyakov, Dmitry; Efanov, Alexey; Galyavich, Albert; Frants, Maria; Khaisheva, Larisa; Malorodova, Tatyana; Mirolyubova, Olga; Nedbaikin, Andrei; Osipova, Irina; Platonov, Dmitry; Posnenkova, OIga; Syromiatnikova, Liudmila; Bates, Katie; Leon, David Adrew; McKee, Martin (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-04-06)
    <i>Background</i>: Death rates from cardiovascular disease in Russia are among the highest in the world. In recent years, the Russian government has invested substantially in the healthcare system, with a particular focus on improving access to advanced technology, especially for acute myocardial infarction (AMI). This protocol describes a study to understand the management of AMI in different Russian ...
  • Adverse Pregnancy Outcomes among Adolescents in Northwest Russia: A Population Registry-Based Study 

    Usynina, Anna Aleksandrovna; Postoev, Vitaly; Odland, Jon Øyvind; Grjibovski, Andrej (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-02-03)
    This study aimed to assess whether adolescents have an increased risk of adverse pregnancy outcomes (APO) compared to adult women. We used data on 43,327 births from the population-based Arkhangelsk County Birth Registry, Northwest Russia, for 2012–2014. The perinatal outcomes included stillbirth, preterm birth (<37 and <32 weeks), low and very low birthweight, 5 min Apgar score <7 and <4, ...
  • Bone mineral density at the hip and its relation to fat mass and lean mass in adolescents: the Tromsø Study, Fit Futures 

    Winther, Anne; Jørgensen, Lone; Ahmed, Luai A.; Christoffersen, Tore; Furberg, Anne-Sofie; Grimnes, Guri; Jorde, Rolf; Nilsen, Ole-Andreas; Dennison, Elaine M.; Emaus, Nina (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-01-19)
    <p><i>Background</i>: Positive association between body weight and bone mass is well established, and the concept of body mass index (BMI) is associated with higher areal bone mineral density (aBMD) and reduced fracture risk. BMI, that comprises both fat mass (FM) and lean mass (LM) may contribute to peak bone mass achievement in different ways. This study explored the influence of body composition ...
  • Seroprevalence of markers of hepatitis B virus infection, associated factors, and vaccination status in young adults in Arkhangelsk, Northwest Russia: A population-based cross-sectional study 

    Balaeva, Tatyana Viktorovna; Grjibovski, Andrei M.; Samodova, Olga; Sannikov, Anatoly; Klouman, Elise (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-09-01)
    Russia had a high incidence of hepatitis B virus (HBV) infection before the vaccination campaigns of 1997, 2001, 2007, which targeted newborns, adolescents, and adults, respectively. The aim of our study was to assess the prevalence of serological markers of HBV infection, associated factors, and vaccination status among young adults in Arkhangelsk, Northwest Russia. In this cross-sectional, p ...
  • Prenatal Exposure to Aluminum and Status of Selected Essential Trace Elements in Rural South AfricanWomen at Delivery 

    Rollin, Halina B.; Nogueira, Claudina; Olutola, Bukola G; Channa, Kalavati; Odland, Jon Øyvind (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-07-15)
    This study sought to evaluate the in utero exposure to aluminum and status of selected trace elements in South African women at delivery since aluminum is known to be toxic in all developmental stages even at low concentrations. Serum aluminum was negatively correlated with aluminum in urine, both uncorrected and corrected for creatinine, which suggests the retention of aluminum in body stores. ...
  • Designing mHealth for maternity services in primary health facilities in a low-income setting - Lessons from a partially successful implementation 

    Shiferaw, Solomon; Workneh, Andualem; Yirgu, Robel; Dinant, Geert-Jan; Spigt, Marcus (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-11-12)
    <p><i>Background</i>: Increasing mobile phone ownership, functionality and access to mobile-broad band internet services has triggered growing interest to harness the potential of mobile phone technology to improve health services in low-income settings. The present project aimed at designing an mHealth system that assists midlevel health workers to provide better maternal health care services by ...

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