Recent additions

  • Identifying decisions in optometry: A validation study of the decision identification and classification taxonomy for use in medicine (DICTUM) in optometric consultations 

    Sundling, Vibeke; Stene, Hege Anita; Eide, Hilde; Ofstad, Eirik Hugaas (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-02-18)
    <i>Objective</i> - The aim of this study was to assess the validity and reliability of the Decision Identification and Classification Taxonomy for Use in Medicine (DICTUM) applied to optometry, to compare decisions in medical and optometric consultations, and to describe decisions in optometry. <p> <p><i>Methods</i> - The study had a cross-sectional design. Data was collected from January to ...
  • Identifying eating habits in Finnish children: A cross-sectional study 

    De Oliveira Figueiredo, Rejane Augusta; Viljakainen, Jannina; Viljakainen, Heli; Roos, Eva; Rounge, Trine Ballestad; Weiderpass, Elisabete (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-03-15)
    <p><i>Background - </i>We aimed to identify different eating habits among Finnish children and to evaluate their association with meal patterns, breakfast consumption, and socio-demographic characteristics in a large, nationwide cohort of children. <p><i>Methods - </i>We evaluated 10,569 children aged 9–14 years into the Finnish Health in Teens cohort in a cross-sectional design. The hierarchical ...
  • Change in prevalence and severity of metabolic syndrome in the Sami and non-Sami population in rural Northern Norway using a repeated cross-sectional population-based study design: the SAMINOR Study 

    Michalsen, Vilde Lehne; Kvaløy, Kirsti; Svartberg, Johan; Siri, Susanna Ragnhild; Melhus, Marita; Broderstad, Ann Ragnhild (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-06-14)
    <p><i>Objective - </i>To examine the change in both the prevalence and severity of metabolic syndrome (MetS) in the Sami and non-Sami in Northern Norway due to a lack of knowledge regarding the development of MetS in this population. <p><i>Design - </i>Repeated cross-sectional study. <p><i>Setting - </i>The study is based on data from the SAMINOR 1 Survey (2003–2004, n=6550) and the SAMINOR 2 ...
  • Progestin-only and combined oral contraceptives and receptor-defined premenopausal breast cancer risk: The Norwegian Women and Cancer Study 

    Busund, Marit Katinka; Stensland-Bugge, Nora; Braaten, Tonje; Waaseth, Marit; Rylander, Charlotta; Lund, Eiliv (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-01-19)
    Receptor-defined subtypes of breast cancer represent distinct cancer types and have differences in risk factors. Whether the two main hormonal forms of oral contraceptives (OCs); i.e. progestin-only (POC) and combined oral contraceptives (COC), are differentially associated with these subtypes are not well known. The aim of our study was to assess the effect of POC and COC use on hormone receptor-defined ...
  • Periodontitis Prevalence and Severity in Adults: A Cross-Sectional Study in Norwegian Circumpolar Communities 

    Holde, Gro Eirin; Oscarson, Nils; Trovik, Tordis A; Tillberg, Anders; Jönsson, Birgitta (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-10-01)
    <p><i>Background - </i>The aim of this study is to describe the prevalence, severity, and extent of periodontitis in the adult population of circumpolar communities in Norway using data from the Tromstannen–Oral Health in Northern Norway study. <p><i>Methods - </i>In this cross‐sectional survey, data were collected from a randomized population sample (aged 20 to 79 years) in Northern Norway. ...
  • Rationale for a Swedish cohort consortium 

    Sundström, Johan; Björkelund, Cecilia; Giedraitis, Vilmantas; Hansson, Per-Olof; Högman, Marieann; Janson, Christer; Koupil, Ilona; Kristenson, Margareta; Trolle Lagerros, Ylva; Leppert, Jerzy; Lind, Lars; Lissner, Lauren; Johansson, Ingegerd; Ludvigsson, Jonas F.; Nilsson, Peter M.; Olsson, Håkan; Pedersen, Nancy L.; Rosenblad, Andreas; Rosengren, Annika; Sandin, Sven; Snäckerström, Tomas; Stenbeck, Magnus; Söderberg, Stefan; Weiderpass, Elisabete; Wanhainen, Anders; Wennberg, Patrik; Fortier, Isabel; Heller, Susanne; Storgärds, Maria; Svennblad, Bodil (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-01-08)
    We herein outline the rationale for a Swedish cohort consortium, aiming to facilitate greater use of Swedish cohorts for world-class research. Coordination of all Swedish prospective population-based cohorts in a common infrastructure would enable more precise research findings and facilitate research on rare exposures and outcomes, leading to better utilization of study participants’ data, better ...
  • Prevalence and correlates of self-reported disordered eating: A cross-sectional study among 90 592 middle-aged Norwegian women 

    Sigstad, Marie; Rosenvinge, Jan H; Skeie, Guri; Rylander, Charlotta (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-01-23)
    Disordered eating (DE) is extensively studied among adolescents and young women. However, there is growing evidence that DE as well as the clinical eating disorders may occur at any age from childhood to advanced years. This study aimed to determine the prevalence and correlates of DE in a representative sample of middle-aged women from Norway. The study included 90 592 women (median age: 55 years) ...
  • Undiagnosed cardiovascular disease prior to cardiovascular death in individuals with severe mental illness 

    Heiberg, Ina Heidi; Jacobsen, Bjarne K.; Balteskard, Lise; Bramness, Jørgen Gustav; Næss, Øyvind; Ystrøm, Eivind; Reichborn-Kjennerud, Ted; Hultman, Christina M.; Nesvåg, Ragnar; Høye, Anne (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-03-07)
    <p><i>Objective - </i>To examine whether individuals with schizophrenia (SCZ) or bipolar disorder (BD) had equal likelihood of not being diagnosed with cardiovascular disease (CVD) prior to cardiovascular death, compared to individuals without SCZ or BD. <p><i>Methods - </i>Multivariate logistic regression analysis including nationwide data of 72 451 cardiovascular deaths in the years 2011–2016. ...
  • "If you do not birget [manage] then you don't belong here": a qualitative focus group study on the cultural meanings of suicide among Indigenous Sámi in arctic Norway 

    Stoor, Jon Petter Anders; Berntsen, Gro; Hjelmeland, Heidi Marie; Silviken, Anne (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-01-24)
    Suicide is a major public health issue across the Arctic, especially among Indigenous Peoples. The aim of this study was to explore and describe cultural meanings of suicide among Sámi in Norway. Five open-ended focus group discussions (FGDs) were conducted with 22 Sámi (20) and non-Sámi (2) participants in South, Lule, Marka, coastal and North Sámi communities in Norway. FGDs were recorded, transcribed ...
  • Socioeconomic position, lifestyle habits and biomarkers of epigenetic aging: A multi-cohort analysis 

    Fiorito, Giovanni; McCrory, Cathal; Robinson, Oliver; Carmeli, Cristian; Rosales, Carolina Ochoa; Zhang, Yan; Colicino, Elena; Dugué, Pierre-Antoine; Artaud, Fanny; McKay, Gareth J.; Jeong, Ayoung; Mishra, Pashupati P.; Nøst, Therese Haugdahl; Krogh, Vittorio; Panico, Salvatore; Sacerdote, Carlotta; Tumino, Rosario; Palli, Domenico; Matullo, Giuseppe; Guarrera, Simonetta; Gandini, Martina; Bochud, Murielle; Dermitzakis, Emmanouil; Muka, Taulant; Schwartz, Joel; Vokonas, Pantel S.; Just, Allan; Hodge, Allison M.; Giles, Graham G.; Southey, Melissa C.; Hurme, Mikko A.; Young, Ian; McKnight, Amy Jayne; Kunze, Sonja; Waldenberger, Melanie; Peters, Annette; Schwettmann, Lars; Lund, Eiliv; Baccarelli, Andrea; Milne, Roger L.; Kenny, Rose A.; Elbaz, Alexis; Brenner, Hermann; Kee, Frank; Voortman, Trudy; Probst-Hensch, Nicole; Lehtimäki, Terho; Elliot, Paul; Stringhini, Silvia; Vineis, Paolo; Polidoro, Silvia (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-04-14)
    <p>Differences in health status by socioeconomic position (SEP) tend to be more evident at older ages, suggesting the involvement of a biological mechanism responsive to the accumulation of deleterious exposures across the lifespan. DNA methylation (DNAm) has been proposed as a biomarker of biological aging that conserves memory of endogenous and exogenous stress during life. <p>We examined the ...
  • In utero exposure to endocrine disrupting chemicals, micro-RNA profiles, and fetal growth: a pilot study protocol 

    Larose, Tricia L; Sætrom, Pål; Martinussen, Marit; Skogseth, Haakon; Sandanger, Torkjel M; Scélo, Ghislaine; McHale, Cliona M; Jacobsen, Geir Wenberg; Smith, Martyn T (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-09-05)
    <i>Background</i>: The developing fetus is particularly vulnerable to the effects of endocrine disrupting chemicals (EDCs). Molecular fingerprints of EDCs can be identified via microRNA (miRNA) expression profiles and may be etiologically implicated in the developmental origin of disease (DOHaD).<p> <p><i>Methods/design</i>: This pilot study includes pregnant women at high risk (smoking at ...
  • Patterns in the relationship between life expectancy and gross domestic product in Russia in 2005-15: a cross-sectional analysis 

    Shkolnikov, Vladimir M.; Andreev, Evgeny M; Tursun-zade, Rustam; Leon, David Adrew (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-04-04)
    <i>Background</i> - Since 2005, Russia has made substantial progress, experiencing an almost doubling of per-capita gross domestic product by purchasing power parity (GDP [PPP]) to US$24 800 and witnessing a 6-year increase in life expectancy, reaching 71·4 years by 2015. Even greater gains in GDP (PPP) were seen for Moscow, the Russian capital, reaching $43 000 in 2015 and with a life expectancy ...
  • Circulating Metabolites Associated with Alcohol Intake in the European Prospective Investigation into Cancer and Nutrition Cohort 

    van Roekel, Eline H.; Trijsburg, Laura; Assi, Nada; Carayol, Marion; Achaintre, David; Murphy, Neil; Rinaldi, Sabina; Schmidt, Julie A.; Stepien, Magdalena; Kaaks, Rudolf; Kühn, Tilman; Boeing, Heiner; Iqbal, Khalid; Palli, Domenico; Krogh, Vittorio; Tumino, Rosario; Ricceri, Fulvio; Panico, Salavatore; Peeters, Petra H.; Bueno-De-Mesquita, Hendrik Bastiaan; Ardanaz, Eva; Lujan-Barroso, Leila; Quirós, José Ramón; Huerta, José María; Molina-Portillo, Elena; Dorronsoro, Miren; Tsilidis, Konstantinos K.; Riboli, Elio; Rostgaard-Hansen, Agnetha Linn; Tjønneland, Anne; Overvad, Kim; Weiderpass, Elisabete; Boutron-Ruault, Marie-Christine; Severi, Gianluca; Trichopoulou, Antonia; Karakatsani, Anna; Kotanidou, Anastasia; Håkansson, Anders; Malm, Johan; Weijenberg, Matty P.; Gunter, Marc J.; Jenab, Mazda; Johansson, Mattias; Travis, Ruth C.; Scalbert, Augustin; Ferrari, Pietro (Journal article; Peer reviewed, 2018-05-22)
    Identifying the metabolites associated with alcohol consumption may provide insights into the metabolic pathways through which alcohol may affect human health. We studied associations of alcohol consumption with circulating concentrations of 123 metabolites among 2974 healthy participants from the European Prospective Investigation into Cancer and Nutrition (EPIC) study. Alcohol consumption at ...
  • Exploring the gender specific association between use of complementary and alternative medicine and alcohol consumption and injuries caused by drinking. The sixth Tromsø study 

    Sivertsen, Kristina (Master thesis; Mastergradsoppgave, 2017-08-25)
    Background: Previous studies have found that the use of complementary and alternative medicine (CAM) is associated with several characteristic, such as female gender, higher education and higher income. However, studies investigating the relationship between alcohol consumption patterns and different CAM approaches have so far been limited. Harmful use of alcohol has detrimental consequences to ...
  • Association of Selenoprotein and Selenium Pathway Genotypes with Risk of Colorectal Cancer and Interaction with Selenium Status 

    Fedirko, Veronika; Jenab, Mazda; Méplan, Catherine; Jones, Jeb S.; Zhu, Wanzhe; Schomburg, Lutz; Siddiq, Afshan; Hybsier, Sandra; Overvad, Kim; Tjønneland, Anne; Omichessan, Hanane; Perduca, Vittorio; Boutron-Ruault, Marie-Christine; Kühn, Tilman; Katzke, Verena; Aleksandrova, Krasimira; Trichopoulou, Antonia; Karakatsani, Anna; Kotanidou, Anastasia; Tumino, Rosario; Panico, Salvatore; Masala, Giovanna; Agnoli, Claudia; Naccarati, Alessio; Bueno-De-Mesquita, Bas; Vermeulen, Roel C.H.; Weiderpass, Elisabete; Skeie, Guri; Nøst, Therese Haugdahl; Lujan-Barroso, Leila; Quirós, Jose Ramón; Huerta, José María; Rodríguez-Barranco, Miguel; Barricarte, Aurelio; Gylling, Björn; Harlid, Sophia; Bradbury, Kathryn Erica; Wareham, Nick; Khaw, Kay-Tee; Gunter, Marc J.; Murphy, Neil; Freisling, Heinz; Tsilidis, Kostas; Aune, Dagfinn; Riboli, Elio; Hesketh, John E.; Hughes, David J. (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-04-25)
    Selenoprotein genetic variations and suboptimal selenium (Se) levels may contribute to the risk of colorectal cancer (CRC) development. We examined the association between CRC risk and genotype for single nucleotide polymorphisms (SNPs) in selenoprotein and Se metabolic pathway genes. <i>Illumina Goldengate</i> assays were designed and resulted in the genotyping of 1040 variants in 154 genes ...
  • Suicidal ideation in relation to disordered eating, body size and weight perception: a cross-sectional study of a Norwegian adolescent population - the HUNT Study 

    Sardahaee, Farzaneh Saeedzadeh; Holmen, Turid Lingaas; Micali, Nadia; Sund, Erik R.; Bjerkeset, Ottar; Kvaløy, Kirsti (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-07-27)
    <i>Objective</i> - We conducted a population-based study on a sample of more than 7000 adolescents where we examined the associations between suicidal ideation (SI) and disordered eating (DE) and its related traits.<p> <p><i>Design</i> - Cross-sectional.<p> <p><i>Settings</i> - Data were derived from two Norwegian population-based cohorts, the Young-HUNT1 (1995–1997) and Young-HUNT3 (2006–2008) ...
  • Suicidal behaviour in adolescence and later mental healthcare use: a population-based registry study of Norwegian youth. Exploring potential gender differences and ethnic differences between indigenous Sami and non-Sami 

    Sørvold, Maria Therene (Master thesis; Mastergradsoppgave, 2017-07-28)
    Background: The prevalence of suicidal behaviour among adolescents are high, and act as a risk factor of suicide. Suicide is considered a public health problem worldwide. Indigenous people are in general at higher risk of suicide than the majority population, and there are gender differences in the pathways of suicidal behaviour and suicides. Objectives: To investigate the association and importance ...
  • Validity of the Polar M430 Activity Monitor in Free-Living Conditions: Validation Study 

    Henriksen, André; Grimsgaard, Sameline; Horsch, Alexander; Hartvigsen, Gunnar; Hopstock, Laila Arnesdatter (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-08-16)
    <i>Background</i>: Accelerometers, often in conjunction with heart rate sensors, are extensively used to track physical activity (PA) in research. Research-grade instruments are often expensive and have limited battery capacity, limited storage, and high participant burden. Consumer-based activity trackers are equipped with similar technology and designed for long-term wear, and can therefore ...
  • Use of Electronic Health and Its Impact on Doctor-Visiting Decisions Among People With Diabetes: Cross-Sectional Study 

    Hansen, Anne Helen; Claudi, Tor; Årsand, Eirik (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-04-26)
    <i>Background</i>: Despite the increasing prevalence of diabetes and increasing use of electronic health (eHealth) among people with diabetes, little is known about the association between the use of eHealth and the use of provider-based health services.<p> <p><i>Objective</i>: The objective of this study was to investigate whether the use of eHealth might change patients’ decisions regarding ...
  • High lactose whey cheese consumption and risk of colorectal cancer - The Norwegian Women and Cancer Study 

    Barnung, Runa Borgund; Jareid, Mie; Lukic, Marko; Oyeyemi, Sunday Oluwafemi; Rudolfsen, Jan Håkon; Sovershaeva, Evgeniya; Skeie, Guri (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-01-22)
    The incidence of colorectal cancer (CRC) has increased among Norwegian women, and is among the highest in the world. In order to understand this increase, country specific dietary exposures have been investigated. The aim of this study was to quantify the association between consumption of brown cheese, a common bread topping in Norway, and colorectal, colon, and rectal cancer in the prospective ...

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