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    • Association between anthropometry and lifestyle factors and risk of B-cell lymphoma: An exposome-wide analysis 

      Hosnijeh, Fatemeh Saberi; Casabonne, Delphine; Nieters, Alexandra; Solans, Marta; Naudin, Sabine; Ferrari, Pietro; McKay, James D.; Benavente, Yolanda; Weiderpass, Elisabete; Freisling, Heinz; Severi, Gianluca; Ruault, Marie-Christine Boutron; Bonet, Catalina; Besson, Caroline; Agnoli, Claudia; Barricarte, Aurelio; Christakoudi, Sofia; Masala, Giovanna; Knuppel, Anika; Sacerdote, Carlotta; Bueno-De-Mesquita, Bas; Tumino, Rosario; Huerta, José María; Schulze, Matthias B.; Kaaks, Rudolf; Amiano, Pilar; Barranco, Miguel Rodriguez; Canzian, Federico; Späth, Florentin; Jerkeman, Mats; Rylander, Charlotta; Tjønneland, Anne; Olsen, Anja; Borch, Kristin Benjaminsen; Vermeulen, Roel (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-10-31)
      To better understand the role of individual and lifestyle factors in human disease, an exposome‐wide association study was performed to investigate within a single‐study anthropometry measures and lifestyle factors previously associated with B‐cell lymphoma (BCL). Within the European Prospective Investigation into Cancer and nutrition study, 2402 incident BCL cases were diagnosed from 475 426 ...

    • Association between atmospheric air temperature and blood pressure among adult population in different seasons 

      Rastokina, Tatiana N.; Kudryavtsev, Alexander V; Unguryanu, Tatiana Nikolaevna (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-10-17)
      BACKGROUND: The prevalence of hypertension in the Arkhangelsk region is steadily increasing. Despite the progress in the diagnostics and the availability of treatment, a half of the population are unaware of their hypertension and its potential consequences, and consequently, do not adhere to the prescribed medications. This lack of awareness, coupled with the challenging climatic conditions of the ...

    • The association between body fatness and mortality among breast cancer survivors: results from a prospective cohort study 

      Bonet, Catalina; Crous-Bou, Marta; Tsilidis, Konstantinos K.; Gunter, Marc J.; Kaaks, Rudolf; Schulze, Matthias B.; Turzanski Fortner, Rénee; Antoniussen, Christian S.; Dahm, Christina C.; Mellemkjær, Lene; Tjønneland, Anne; Amiano, Pilar; Ardanaz, Eva; Colorado-Yohar, Sandra M.; Rodriguez-Barranco, Miguel; Tin Tin, Sandar; Agnoli, Claudia; Masala, Giovanna; Panico, Salvatore; Sacerdote, Carlotta; May, Anne M.; Borch, Kristin Benjaminsen; Rylander, Karin Charlotta Maria; Skeie, Guri; Christakoudi, Sofia; Aune, Dagfinn; Weiderpass, Elisabete; Dossus, Laure; Riboli, Elio; Agudo, Antonio (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-03-29)
      Evidence linking body fatness to breast cancer (BC) prognosis is limited. While it seems that excess adiposity is associated with poorer BC survival, there is uncertainty over whether weight changes reduce mortality. This study aimed to assess the association between body fatness and weight changes pre- and postdiagnosis and overall mortality and BC-specific mortality among BC survivors. Our study ...

    • Association between brain-derived neurotropic factor (BDNF), high-sensitivity C-reactive protein (hs-CRP) and psychiatric symptoms in medicated and unmedicated patients 

      Soløy-Nilsen, Hedda; Nygård-Odeh, Kristin; Kristiansen, Magnhild Gangsøy; Brekke, Ole Lars; Mollnes, Tom Eirik; Reitan, Solveig Merete Klæbo; Øiesvold, Terje (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-02-03)
      Background - There is evidence that brain-derived neurotropic factor (BDNF) plays a protective role in the brain. Peripheral levels of BDNF correlate with its concentration in the brain. Previous studies have revealed lower serum BDNF levels in patients with mental illnesses. In most studies serum BDNF correlates negatively with psychiatric disorders and disease severity. Most studies in this field ...

    • Association between cannabis use and physical health problems in Norwegian adolescents: a cross-sectional study from the youth survey Ungdata 

      Mæland, Ragnhild; Lien, Lars; Leonhardt, Marja (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-04-06)
      Background - Cannabis use is increasing among young Norwegians and several studies show a high incidence of common physical health problems. An association has previously been found between cannabis use and mental health problems. Since physical and mental health problems often co-occur, the aim of this study is to explore the relationship between cannabis use and physical health problems.<p> <p>Methods ...

    • Association between Carbonic Anhydrase VI (CA VI) gene copy number and dental caries experience 

      Al-Mahdi, Rania Ali Muhsen; Stangvaltaite-Mouhat, Lina; Aleksejuniene, Jolanta; Stankeviciene, Indre; Tømmerås, Berit; Puriene, Alina; Al-Haroni, Mohammed (Journal article; Tidsskriftartikkel; Peer reviewed, 2022)
      The current study examined the association between the carbonic anhydrase VI (CA VI) copy number variations (CNVs) and dental caries experience in adults. In total, 202 of 35-72 years old subjects participating in the Lithuanian National Oral Health Survey (LNOHS) agreed to provide saliva samples, thus their data were included in the current study. Information about sociodemographic, environmental, ...

    • The association between childhood fractures and adolescence bone outcomes: a population-based study, the Tromsø Study, Fit Futures 

      Christoffersen, Tore; Emaus, Nina; Dennison, Elaine; Furberg, Anne-Sofie; Gracia-Marco, Luis; Grimnes, Guri; Nilsen, Ole-Andreas; Vlachopoulos, Dimitris; Winther, Anne; Ahmed, Luai A. (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-11-16)
      <p><i>SUMMARY</i>: Childhood fracture may predict persistent skeletal fragility, but it may also reflect high physical activity which is beneficial to bone development. We observe a difference in the relationship between previous fracture and bone outcome across physical activity level and sex. Further elaboration on this variation is needed.</p> <p><i>PURPOSE</i>: Childhood fracture may be an ...

    • The association between children’s oral health and parents’ socioeconomic position in Northern Norway 

      Thomassen, Jeanett Kraukle; Larsen, Beate (Master thesis; Mastergradsoppgave, 2019-05-20)
      <p>Background: Dental caries is the most common chronic disease in children. In Norway there are government sponsored programs that give all children (0-18 years) free public dental treatment. This program seems to reduce the social gap in oral health compared to countries where dental treatment is paid out-of-pocket. There are indications that not all children in Norway benefit equally good from ...

    • Association between Class III Obesity (BMI of 40-59 kg/m2) and Mortality: A Pooled Analysis of 20 Prospective Studies 

      Kitahara, Cari M; Flint, Alan J; Berrington de Gonzalez, Amy; Bernstein, Leslie; Brotzman, Michelle; MacInnis, Robert J; Moore, Steven C; Robien, Kim; Rosenberg, Philip S; Singh, Pramil N; Weiderpass, Elisabete; Adami, Hans Olov; Anton-Culver, Hoda; Ballard-Barbash, Rachel; Buring, Julie E; Freedman, D Michal; Fraser, Gary E; Beane Freeman, Laura E; Gapstur, Susan M; Gaziano, John Michael; Giles, Graham G; Håkansson, Niclas; Hoppin, Jane A; Hu, Frank B; Koenig, Karen; Linet, Martha S; Park, Yikyung; Patel, Alpa V; Purdue, Mark P; Schairer, Catherine; Sesso, Howard D; Visvanathan, Kala; White, Emily; Wolk, Alicja; Zeleniuch-Jacquotte, Anne; Hartge, Patricia (Journal article; Tidsskriftartikkel; Peer reviewed, 2014)

    • Association between classes and subclasses of polyphenol intake and 5-year body weight changes in the EPIC-PANACEA study 

      Castañeda, Jazmin; Gil-Lespinard, Mercedes; Almanza-Aguilera, Enrique; Llaha, Fjorida; Gómez, Jesús-Humberto; Bondonno, Nicola; Tjønneland, Anne; Overvad, Kim; Katzke, Verena; Schulze, Matthias B.; Masala, Giovanna; Agnoli, Claudia; Santucci de Magistris, Maria; Tumino, Rosario; Sacerdote, Carlotta; Skeie, Guri; Brustad, Magritt; Lasheras, Cristina; Molina-Montes, Esther; Chirlaque, María-Dolores; Barricarte, Aurelio; Sonestedt, Emily; da Silva, Marisa Eleonor; Johansson, Ingegerd; Hultdin, Johan; May, Anne M.; Forouhi, Nita G.; Heath, Alicia K.; Freisling, Heinz; Weiderpass, Elisabete; Scalbert, Augustin; Zamora-Ros, Raul (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-01-24)
      Objective - The aim of this study was to evaluate the associations among the intake of total polyphenols, polyphenol classes, and polyphenol subclasses and body weight change over 5 years.<p> <p>Methods - A total of 349,165 men and women aged 25 to 70 years were recruited in the Physical Activity, Nutrition, Alcohol, Cessation of Smoking, Eating Out of Home and Obesity (PANACEA) project of the ...

    • Association between copy number variations in the OCA2-HERC2 locus and human eye colour 

      Salvo, Nina Mjølsnes; Janssen, Kirstin; Olsen, Gunn-Hege; Berg, Thomas; Andersen, Jeppe Dyrberg (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-09-29)
      Human eye colour variation is strongly associated with single nucleotide polymorphisms (SNPs) in the OCA2- HERC2 locus, especially rs12913832 that is found in an enhancer element of OCA2. In a previous study we found that 43 out of 166 individuals in a Norwegian population with the brown eye colour genotype HERC2 rs12913832:AA or AG, did not have the expected brown eye colour. To investigate if ...

    • The association between dexterity and cognitive functioning in healthy elderly: A kinematic analysis 

      Eriksen, Mari Lise (Master thesis; Mastergradsoppgave, 2012-11-08)
      Aging has a degenerative effect on hand function and cognition. After the age of 65, most healthy elders experience sensorimotor changes and cognitive declines of various kinds which can make activities of everyday life a challenge. To our knowledge, few studies have investigated the possible interplay between cognitive function and dexterity in the elderly. The purpose of the present study was to ...

    • Association between diabetes and periodontitis: A cross sectional study based on findings from Tromsø 7 study 

      Alex, Silvi (Master thesis; Mastergradsoppgave, 2020-11-30)
      The 2017 reports published by Diabetesforbundet Norway showed an estimated 378 000 people living with diabetes (28 000 with Type 1 and 350 000 with Type 2). Mealey et al. (2006) showed that diabetes increases the risk for periodontitis, influenced by inflammatory processes. The formation of inflammatory molecules (e.g. Advanced glycation end products) leads to gingival attachment loss, periodontal ...

    • Association between diastolic dysfunction and future atrial fibrillation in the Tromsø Study from 1994 to 2010 

      Tiwari, Sweta; Schirmer, Henrik; Jacobsen, Bjarne K.; Hopstock, Laila Arnesdatter; Nyrnes, Audhild; Heggelund, Geir; Njølstad, Inger; Mathiesen, Ellisiv B.; Løchen, Maja-Lisa (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-05-13)
      Objective. To investigate the association between echocardiographic measurements with emphasis on diastolic dysfunction and risk of atrial fibrillation (AF) in a population-based cohort study. Methods. We followed 2406 participants from the Tromsø Study from 1994 to 2010. Left atrial (LA) size and mitral Doppler indices as measured by echocardiography were used for evaluating diastolic dysfunction. ...

    • Association between Diet and Xerostomia: Is Xerostomia a Barrier to a Healthy Eating Pattern? 

      Stankeviciene, Indre; Aleksejuniene, Jolanta; Puriene, Alina; Stangvaltaite-Mouhat, Lina (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-11-25)
      Objective. Xerostomia is a subjective feeling of dry mouth and is commonly observed in patients with autoimmune diseases. Our study examines the association between xerostomia and diet. Materials and Methods. The cross-sectional study includes 1405 adults from 15 Lithuanian geographical areas (52% response rate). A self-reported questionnaire inquired about xerostomia, sex, age, education, ...

    • Association between espresso coffee and serum total cholesterol: the Tromsø Study 2015-2016 

      Svatun, Åsne Lirhus; Løchen, Maja-Lisa; Thelle, Dag Steinar; Wilsgaard, Tom (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-05-10)
      Background - Coffee raises serum cholesterol because of its diterpenes, cafestol and kahweol, and the effect varies by brewing method. Population-based research on espresso coffee’s impact on serum cholesterol is scarce. Our aim was to examine how various brewing methods, in particular espresso, were associated with serum total cholesterol (S-TC).<p> <p>Methods - We used cross-sectional population ...

    • The association between health anxiety, physical disease and cardiovascular risk factors in the general population – a cross-sectional analysis from the Tromsø study: Tromsø 7 

      Norbye, Anja Margrete Davis; Abelsen, Birgit; Førde, Olav Helge; Ringberg, Unni (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-02)
      Background: Health anxiety (HA) is defined as a worry of disease. An association between HA and mental illness has been reported, but few have looked at the association between HA and physical disease. Objective: To examine the association between HA and number of diseases, different disease categories and cardiovascular risk factors in a large sample of the general population.<p> <p>Methods: ...

    • The association between health information seeking on the internet and physician visits (The Seventh Tromsø Study - Part 4): Population-based questionnaire study 

      Yigzaw, Kassaye Yitbarek; Wynn, Rolf; Ruiz, Luis Marco; Budrionis, Andrius; Oyeyemi, Sunday Oluwafemi; Fagerlund, Asbjørn Johansen; Bellika, Johan Gustav (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-03-05)
      Background: The internet is being widely used for seeking health information. However, there is no consensus on the association between health information seeking on the internet and the use of health care services. Objective: We examined the association between health information seeking via the internet and physician visits. In addition, we investigated the association between online health ...

    • The association between infant salivary cortisol and parental presence in the neonatal intensive care unit during and after COVID-19 visitation restrictions: A cross-sectional study 

      Brekke, Stine Marie; Halvorsen, Silje Torp; Bjørkvoll, Julie; Thorsby, Per Medbøe; Rønnestad, Arild Erland; Zykova, Svetlana; Bakke, Liv Hanne; Dahl, Sandra Rinne; Haaland, Kirsti; Siw Helen, Westby Eger; Solberg, Marianne Trygg; Solevåg, Anne Lee (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-05-07)
      Objectives: Parent-infant interaction in the neonatal intensive care unit (NICU) promotes health and reduces infant stress. During the COVID-19 pandemic, however, NICUs restricted parent-infant interaction to reduce viral transmission. This study examined the potential relationship between pandemic visitation restrictions, parental presence and infant stress as measured by salivary cortisol. Methods: ...

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

      Bjerkaas, Eivind; Gram, Inger Torhild; Parajuli, Ranjan; Weiderpass, Elisabete; Mascarinec, G; Engeland, Anders (Journal article; Tidsskriftartikkel; Peer reviewed, 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 before breast cancer diagnosis is a predictor of breast cancer mortality in a large cohort with more than 4.1 million years of follow-up, with a special focus on women who ...