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    • Violence and child mental health in Brazil: The Itaboraí Youth Study methods and findings 

      Bordin, Isabel AS; Duarte, Cristiane S.; Ribeiro, W.S.; Paula, C.S.; Coutinho, Evandro Silva Freire; Sourander, A; Rønning, John Andreas (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-01-17)
      <p><i>Objectives</i>: To demonstrate a study design that could be useful in low‐resource and violent urban settings and to estimate the prevalence of child violence exposure (at home, community, and school) and child mental health problems in a low‐income medium‐size city.</p> <p><i>Methods</i>: The Itaboraí Youth Study is a Norway–Brazil collaborative longitudinal study conducted in Itaboraí ...
    • Visceral fat is strongly associated with post-transplant diabetes mellitus and glucose metabolism 1 year after kidney transplantation 

      Von Düring, Marit Elizabeth; Jenssen, Trond Geir; Bollerslev, Jens; Åsberg, Anders; Godang, Kristin; Hartmann, Anders (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-11-16)
      Body composition after kidney transplantation is linked to glucose metabolism, and impaired glucose metabolism is associated with increased risk of cardiovascular events and death. One year after transplantation we examined 150 patients for new-onset diabetes performing OGTTs and body composition measurements including visceral adipose tissue (VAT) content from dual-energy X-ray absorptiometry ...
    • Vitamin D and cognitive function: A Mendelian randomisation study 

      Maddock, Jane; Zhou, Ang; Cavadino, Alana; Kuźma, Elżbieta; Bao, Yanchun; Smart, Melissa C.; Saum, Kai-Uwe; Schöttker, Ben; Engmann, Jorgen; Kjærgaard, Marie; Karhunen, Ville; Zhan, Yiqiang; Lehtimäki, Terho; Rovio, Suvi P.; Byberg, Liisa; Lahti, Jari; Marques-Vidal, Pedro; Sen, Abhijit; Perna, Laura; Schirmer, Henrik; Singh-Manoux, Archana; Auvinen, Juha; Hutri-Kähönen, Nina; Kähönen, Mika; Kilander, Lena; Räikkönen, Katri; Melhus, Håkan; Ingelsson, Erik; Guessous, Idris; Petrovic, Katja E.; Schmidt, Helena; Schmidt, Reinhold; Vollenweider, Peter; Lind, Lars; Eriksson, Johan G.; Michaëlsson, Karl; Raitakari, Olli T; Hägg, Sara; Pedersen, Nancy L.; Herzig, Karl-Heinz; Järvelin, Marjo-Riitta; Veijola, Juha; Kivimäki, Mika; Jorde, Rolf; Brenner, Hermann; Kumari, Meena; Power, Chris; Llewellyn, David J.; Hyppönen, Elina (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-10-16)
      The causal nature of the association between hypovitaminosis D and poor cognitive function in mid- to later-life is uncertain. Using a Mendelian randomisation(MR) approach, we examined the causal relationship between 25(OH)D and cognitive function. Data came from 172,349 participants from 17 cohorts. DHCR7(rs12785878), CYP2R1 rs12794714) and their combined synthesis score were chosen to proxy 25(OH)D. ...
    • Vitamin D and mortality: Individual participant data meta-analysis of standardized 25-hydroxyvitamin D in 26916 individuals from a European consortium 

      Gaksch, Martin; Jorde, Rolf; Grimnes, Guri; Joakimsen, Ragnar Martin; Schirmer, Henrik; Wilsgaard, Tom; Mathiesen, Ellisiv B.; Njølstad, Inger; Løchen, Maja-Lisa; März, Winfried; Kleber, Marcus E.; Tomaschitz, Andreas; Grübler, Martin; Eiriksdottir, Gudny; Gudmundsson, Elias F.; Harris, Tamara B.; Cotch, Mary Frances; Aspelund, Thor; Gudnason, Vilmundur; Rutters, Femke; Beulens, Joline W.J.; Van't Riet, Esther; Nijpels, Giel; Dekker, Jacqueline M.; Grove-Laugesen, Diana; Rejnmark, Lars; Busch, Markus A.; Mensink, Gert B.M.; Scheidt-Nave, Christa; Thamm, Michael; Swart, Karin M.A.; Brouwer, Ingeborg A.; Lips, Paul; Van Schoor, Natasja M.; Sempos, Christopher T.; Durazo-Arvizu, Ramón A.; Škrabáková, Zuzana; Dowling, Kirsten G.; Cashman, Kevin D.; Kiely, Mairead; Pilz, Stefan (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-02-16)
      Background:<br>Vitamin D deficiency may be a risk factor for mortality but previous meta-analyses lacked standardization of laboratory methods for 25-hydroxyvitamin D (25[OH]D) concentrations and used aggregate data instead of individual participant data (IPD). We therefore performed an IPD meta-analysis on the association between standardized serum 25(OH)D and mortality.<br>Methods:<br>In a European ...
    • Vitamin D deficiency in Europe: pandemic? 

      Cashman, Kevin D.; Dowling, Kirsten G.; Škrabáková, Zuzana; Gonzalez-Gross, Marcela; Valtueña, Jara; De Henauw, Stefaan; Moreno, Luis; Damsgaard, Camilla T.; Michaelsen, Kim F.; Mølgaard, Christian; Jorde, Rolf; Grimnes, Guri; Moschonis, George; Mavrogianni, Christina; Manios, Yannis; Thamm, Michael; Mensink, Gert B.M.; Rabenberg, Martina; Busch, Markus A.; Cox, Lorna; Meadows, Sarah; Goldberg, Gail; Prentice, Ann; Dekker, Jacqueline M.; Nijpels, Giel; Pilz, Stefan; Swart, Karin M.; Van Schoor, Natasja M.; Lips, Paul; Eiriksdóttir, Gudny; Gudnason, Vilmundur; Cotch, Mary Frances; Koskinen, Seppo; Lamberg-Allardt, Christel; Durazo-Arvizu, Ramon A.; Sempos, Christopher T.; Kiely, Mairead (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-02-10)
      Background:<br>Vitamin D deficiency has been described as being pandemic, but serum 25-hydroxyvitamin D [25(OH)D] distribution data for the European Union are of very variable quality. The NIH-led international Vitamin D Standardization Program (VDSP) has developed protocols for standardizing existing 25(OH)D values from national health/nutrition surveys.<br>Objective:<br>This study applied VDSP ...
    • Vitamin D deficiency is common in psychogeriatric patients, independent of diagnosis 

      Grønli, Ole Kristian; Kvamme, Jan-Magnus; Jorde, Rolf; Wynn, Rolf (Journal article; Tidsskriftartikkel; Peer reviewed, 2014-05-08)
      Background:Previous studies have found an association between psychiatric disorders and vitamin D deficiency, but most studies have focused on depression. This study aimed to establish the prevalence of vitamin D deficiency in elderly patients with a wider range of psychiatric diagnoses. Method: The study included elderly patients (>64 years) referred to a psychiatric hospital in Northern Norway ...
    • Vitamin D Status During Adolescence and the Impact of Lifestyle Changes: 2 Years’ Follow-up From the Fit Futures Study 

      Öberg, Eva Gunnel Johanna; Jorde, Rolf; Almås, Bjørg; Nielsen, Christopher Sivert; Gerds, Thomas Alexander; Cashman, Kevin D.; Grimnes, Guri (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-11-13)
      Context: Longitudinal data regarding vitamin D status in adolescence is scarce. This study presents population-based data from an Arctic adolescent population (n = 589) at 16 and 18 years. Objective: The aims of this study were to investigate changes in vitamin D status during 2 years in adolescence, and whether lifestyle changes were associated with serum 25-hydroxyvitamin D (s-25(OH)D) at follow-up. ...
    • Vitamin D supplementation does not improve CVD risk factors in vitamin D-insufficient subjects 

      Kubiak, Julia Magdalena; Thorsby, Per Medbøe; Kamycheva, Elena; Jorde, Rolf (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-06)
      <p><i>Objective</i>: Low serum 25(OH)D levels are associated with cardiovascular disease (CVD) and some of its risk factors. However, in interventional studies, the effects of vitamin D supplementation have been uncertain, possibly due to inclusion of vitamin D-sufficient subjects. Our aim was therefore to examine effects of vitamin D supplementation on CVD risk factors in vitamin D-insufficient ...
    • Vitamin D supplementation for prevention of type 2 diabetes mellitus: To D or Not to D? 

      Pittas, Anastassios G.; Jorde, Rolf; Kawahara, Tetsuya; Dawson-Hughes, Bess (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-08-26)
      <i>Context</i> - Over the last decade, vitamin D has emerged as a risk determinant for type 2 diabetes and vitamin D supplementation has been hypothesized as a potential intervention to lower diabetes risk. Recently, several trials have reported on the effect of vitamin D supplementation on diabetes prevention in people with prediabetes.<p> <p><i>Evidence Acquisition</i> - A comprehensive literature ...
    • Vitamin D Uptake in Patients Treated with a High-Dosed Purified Omega-3 Compound in a Randomized Clinical Trial Following an Acute Myocardial Infarction. 

      Næsgaard, Patrycja; Grundt, Heidi; Nordøy, Arne; Staines, Harry; Nilsen, Dennis W.T. (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-07-24)
      Background: <br> Fish is the natural dietary source of vitamin D. Reports on the influence of purified omega-3 fatty acids on its uptake are scarce. <br> Objectives: <br> We investigated the impact of a purified high-dose omega-3 compound compared to corn oil on 25-hydroxyvitamin D [25(OH)D] levels following an acute myocardial infarction. <br> Methods: <br> 228 patients were randomized 1:1 to receive ...
    • Vitamin D3 supplementation does not enhance the effects of resistance training in older adults 

      Mølmen, Knut Sindre; Hammarström, Jens Konrad Daniel; Pedersen, Karianne; Lie, Anne Cecilie Lian; Steile, Ragnvald B.; Nygård, Håvard; Khan, Yusuf; Hamarsland, Håvard; Koll, Lise; Hanestadhaugen, Marita; Eriksen, Atle Lie; Grindaker, Eirik; Whist, Jon Elling; Buck, Daniel; Ahmad, Rafi; Strand, Tor Arne; Rønnestad, Bent R.; Ellefsen, Stian (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-03-31)
      Background: Lifestyle therapy with resistance training is a potent measure to counteract age-related loss in muscle strength and mass. Unfortunately, many individuals fail to respond in the expected manner. This phenomenon is particularly common among older adults and those with chronic diseases (e.g. chronic obstructive pulmonary disease, COPD) and may involve endocrine variables such as vitamin ...
    • VRD versus VCD as induction therapy before autologous stem cell transplantation in multiple myeloma: a nationwide population-based study 

      Nørgaard, Jakob Nordberg; Moore, Kari Lenita Falck; Slørdahl, Tobias Schmidt; Vik, Anders; Tvedt, Tor Henrik Anderson; Schjesvold, Fredrik (Journal article; Tidsskriftartikkel; Peer reviewed, 2024-04-09)
      Induction therapy followed by autologous stem cell transplantation (ASCT) is standard of care for young and fit patients with newly diagnosed multiple myeloma (MM) [1]. Induction therapy has evolved from doublet to triplet to quadruplet regimens over the last decades. The most common triplet therapy is either Bortezomib-Cyclophosphamide-Dexamethasone (VCD), Bortezomib-Lenalidomide-Dexamethasone ...
    • VTE epidemiology and challenges for VTE prevention at the population level: VTE epidemiology 

      Brækkan, Sigrid Kufaas; Hansen, John Bjarne (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-02-17)
      Venous thromboembolism (VTE) is a frequent disease affecting more than 1 in 12 individuals during their lifetime. VTE is associated with a substantial disease burden due to long-term complications such as recurrence, the post-thrombotic syndrome, and the post-pulmonary embolism syndrome. Despite the knowledge of several risk factors and triggers, more than one third of the VTE events occur in the ...
    • Wake-up stroke and unknown-onset stroke; occurrence and characteristics from the nationwide Norwegian Stroke Register 

      Søyland, Mary-Helen; Tveiten, Arnstein; Eltoft, Agnethe; Øygarden, Halvor; Varmdal, Torunn; Indredavik, Bent; Mathiesen, Ellisiv B. (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06)
      Introduction: Population-based knowledge of the characteristics of wake-up stroke and unknown-onset stroke is limited. We compared occurrence and characteristics of ischaemic and haemorrhagic wake-up stroke, unknown-onset stroke and known-onset stroke in a nationwide register-based study. <p> <p>Patients and methods: We included patients registered in the Norwegian Stroke Register from 2012 through ...
    • A web-based telemedicine system for low-resource settings 13 years on: insights from referrers and specialists 

      Patterson, Victor; Wootton, Richard (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      Background: One way to tackle health inequalities in resource-poor settings is to establish links between doctors and health professionals there and specialists elsewhere using web-based telemedicine. One such system run by the Swinfen Charitable Trust has been in existence for 13 years which is an unusually long time for such systems. Objective: We wanted to gain some insights into whether and ...
    • Weight Change and Risk of Venous Thromboembolism: The Tromsø Study 

      Horvei, Lars Daae; Brækkan, Sigrid Kufaas; Hansen, John-Bjarne (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-12-20)
      <b>Background:</b> Obesity is a major risk factor for venous thromboembolism (VTE), but it is unknown to what extent weight change over time affects VTE risk.<br> <b>Aims:</b> To investigate the association between weight change and risk of incident VTE in a population-based cohort with repeated measurements.<br> <b>Methods:</b> Participant data were collected from the Tromsø 3 (1986–87), 4 ...
    • Weight loss and BMI criteria in GLIM's definition of malnutrition is associated with postoperative complications following abdominal resections – Results from a National Quality Registry 

      Skeie, Eli; Tangvik, Randi Julie; Nymo, Linn Såve; Harthug, Stig; Lassen, Kristoffer; Viste, Asgaut (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-07-20)
      <i>Background & aims</i> - Although malnutrition is thought to be common among patients with intraabdominal diseases and is recognized as a risk factor for postoperative complications, diagnostic criteria for malnutrition have not been consistent. Thus, the Global Leadership Initiative in Malnutrition (GLIM) has recently published new criteria for malnutrition. The aims of this study were to investigate ...
    • Welfare and labour-force participation of kinship foster mothers 

      Holtan, Amy; Thørnblad, Renee (Journal article; Tidsskriftartikkel, 2009)
      Objective: Kinship foster care has become the placement of choice in the Western world. This article explores the welfare, labour-force participation, and caregiving role of kinship foster mothers in Norway. <br>Method: The study supplements a quantitative study of Norwegian long-term kinship and nonkinship foster care with a qualitative study of parenting in formal kinship foster care. A total of ...
    • What are diabetes patients discussing on social media? 

      Gabarron, Elia; Bradway, Meghan; Årsand, Eirik (Conference object; Konferansebidrag, 2016-11-15)
      Social media channels are being used more and more by people with diabetes for exchanging health information, experiences with their chronic condition, and asking and giving advice to their peers[1]. The objective of this study is to describe the nature of the information that is shared on Norwegian diabetes social media groups, and the users’ reactions to these posts.
    • What do adults living with obesity want from a chatbot for physical activity? – a qualitative study 

      Larbi, Dillys; Wynn, Rolf; Trondsen, Marianne Vibeke; Årsand, Eirik; Zanaboni, Paolo; Denecke, Kerstin; Gabarron, Elia (Journal article; Tidsskriftartikkel; Peer reviewed, 2024-03-21)
      Background - Regular physical activity helps to reduce weight and improve the general well-being of individuals living with obesity. Chatbots have shown the potential to increase physical activity among their users. We aimed to explore the preferences of individuals living with obesity for the features and functionalities of a modern chatbot based on social media, Artificial intelligence (AI) and ...