Blar i Bergen Open Research Archive på forfatter "Øyen, Jannike"
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Assessment of Dietary Choline Intake, Contributing Food Items, and Associations with One-Carbon and Lipid Metabolites in Middle-Aged and Elderly Adults: The Hordaland Health Study
Van Parys, Anthea; Lysne, Vegard; Dierkes, Jutta; Nygård, Ottar Kjell; Øyen, Jannike; Vinknes, Kathrine Jørgensen; Karlsson, Therese; Haugsgjerd, Teresa Risan; Tell, Grethe S.; Ueland, Per Magne; Brække, Maria Sandvik (Journal article; Peer reviewed, 2022)Background: Choline is an essential nutrient for humans and is involved in various physiologic functions. Through its metabolite betaine, it is closely connected to the one-carbon metabolism, and the fat-soluble choline ... -
Biomarkers and Fatty Fish Intake: A Randomized Controlled Trial in Norwegian Preschool Children
Solvik, Beate Stokke; Øyen, Jannike; Kvestad, Ingrid; Markhus, Maria Wik; Ueland, Per Magne; McCann, Adrian; Strand, Tor Arne (Journal article; Peer reviewed, 2021)Background Biomarkers such as omega-3 (n–3) PUFAs, urinary iodine concentration (UIC), 1-methylhistidine (1-MH), and trimethylamine N-oxide (TMAO) have been associated with fish intake in observational studies, but data ... -
Bodyweight changes are associated with reduced health related quality of life: The Hordaland Health Study
Thorbjørnsen, Gunhild Hervik; Riise, Trond; Øyen, Jannike (Peer reviewed; Journal article, 2014-10-10)There is lack of studies investigating the association between bodyweight changes and health related quality of life (HRQL). The aim was to study the effect of relative changes in bodyweight over time on HRQL. In the ... -
Dietary Intake and Biomarkers of Folate and Cobalamin Status in Norwegian Preschool Children: The FINS-KIDS Study
Solvik, Beate Stokke; Strand, Tor A; Kvestad, Ingrid; Markhus, Maria Wik; Ueland, Per Magne; McCann, Adrian; Øyen, Jannike (Journal article; Peer reviewed, 2020)Background: Folate and cobalamin (vitamin B-12) are essential for growth and development. However, few populationbased studies have investigated B-vitamin status in children. Objectives: This study aimed to assess biomarkers ... -
The effects of fatty fish intake on adolescents' nutritional status and associations with attention performance: Results from the FINS-TEENS randomized controlled trial
Handeland, Katina Dingtorp; Skotheim, Siv; Baste, Valborg; Graff, Ingvild Eide; Frøyland, Livar; Lie, Øyvind; Kjellevold, Marian; Wik, Maria; Stormark, Kjell Morten; Øyen, Jannike; Dahl, Lisbeth (Peer reviewed; Journal article, 2018-02-23)Background: Adolescence involves changes in dietary habits that may induce imbalances in the intake of different nutrients. Fish is an important dietary source of omega-3 (n-3) long-chain polyunsaturated fatty acids ... -
Extensor tendon release in tennis elbow: results and prognostic factors in 80 elbows
Solheim, Eirik; Hegna, Janne; Øyen, Jannike (Peer reviewed; Journal article, 2011-03-16)Purpose The objectives of this study were to evaluate the results in the outpatient treatment of recalcitrant lateral epicondylitis with release of the common extensor origin according to Hohmann and to determine any ... -
Fatty fish intake and cognitive function: FINS-KIDS, a randomized controlled trial in preschool children
Øyen, Jannike; Kvestad, Ingrid; Midtbø, Lisa Kolden; Graff, Ingvild Eide; Hysing, Mari; Stormark, Kjell Morten; Wik, Maria; Baste, Valborg; Frøyland, Livar; Koletzko, Berthold; Demmelmair, Hans; Dahl, Lisbeth; Lie, Øyvind; Kjellevold, Marian (Peer reviewed; Journal article, 2018-03-12)Background: Marine resources including fatty fish are important sources of n-3 long chain polyunsaturated fatty acids (n-3 LC-PUFAs), which are important for brain development. To our knowledge, this is the first randomized ... -
Fatty Fish Intake and the Effect on Mental Health and Sleep in Preschool Children in FINS-KIDS, a Randomized Controlled Trial
Hysing, Mari; Kvestad, Ingrid; Kjellevold, Marian; Midtbø, Lisa Kolden; Graff, Ingvild Eide; Lie, Øyvind; Hurum, Hallvard Moen; Stormark, Kjell Morten; Øyen, Jannike (Peer reviewed; Journal article, 2018-10-11)Mental health and sleep problems are prevalent in children during preschool years. The aim of the current study was to investigate if increased intake of fatty fish compared with meat improves mental health and sleep in ... -
Food Sources Contributing to Intake of Choline and Individual Choline Forms in a Norwegian Cohort of Patients With Stable Angina Pectoris
Van Parys, Anthea; Karlsson, Therese; Vinknes, Kathrine; Olsen, Thomas; Øyen, Jannike; Dierkes, Jutta; Nygård, Ottar Kjell; Lysne, Vegard (Journal article; Peer reviewed, 2021)Background: Choline is an essential nutrient involved in a wide range of physiological functions. It occurs in water- and lipid-soluble forms in the body and diet. Foods with a known high choline content are eggs, beef, ... -
The impact of different animal-derived protein sources on adiposity and glucose homeostasis during ad libitum feeding and energy restriction in already obese mice
Myrmel, Lene Secher; Fauske, Kristin Røen; Fjære, Even; Bernhard, Annette; Liisberg, Ulrike; Hasselberg, Astrid Elise; Øyen, Jannike; Kristiansen, Karsten; Madsen, Lise (Peer reviewed; Journal article, 2019-05-23)Low-fat diets and energy restriction are recommended to prevent obesity and to induce weight loss, but high-protein diets are popular alternatives. However, the importance of the protein source in obesity prevention and ... -
Interferon gamma (IFN-γ)-mediated inflammation and the kynurenine pathway in relation to risk of hip fractures: The Hordaland Health Study
Apalset, Ellen M.; Gjesdal, Clara Gram; Ueland, Per Magne; Øyen, Jannike; Meyer, Klaus; Midttun, Øivind; Eide, Geir Egil; Tell, Grethe Seppola (Peer reviewed; Journal article, 2014-05-10)Summary The cytokine interferon gamma (IFN-γ) stimulates neopterin release and tryptophan degradation into kynurenines through the kynurenine pathway. High levels of neopterin were associated with increased hip fracture ... -
Iodine status in Norwegian preschool children and associations with dietary iodine sources: the FINS-KIDS study
Nerhus, Ive; Odland, Mathilde; Kjellevold, Marian; Midtbø, Lisa Kolden; Wik, Maria; Graff, Ingvild Eide; Lie, Øyvind; Kvestad, Ingrid; Frøyland, Livar; Dahl, Lisbeth; Øyen, Jannike (Peer reviewed; Journal article, 2018)Purpose. Iodine is an essential trace element necessary for thyroid hormone synthesis. Iodine deficiency is a continuing public health problem despite international efforts to eliminate it. Studies on iodine status in ... -
Low bone mineral density is a significant risk factor for low-energy distal radius fractures in middleaged and elderly men: A case-control study
Øyen, Jannike; Rohde, Gudrun; Hochberg, Marc; Johnsen, Villy; Haugeberg, Glenn (Peer reviewed; Journal article, 2011-04-02)Background: In general there is a lack of data on osteoporosis and fracture in men; this also includes low-energy distal radius fractures. The objectives of this study were to examine BMD and identify factors associated ... -
Low-energy fracture of the distal radius in middleaged and elderly Norwegian women and men. Topics related to osteoporosis, fracture risk and vitamin D
Øyen, Jannike (Doctoral thesis, 2011-02-25)Introduction: Low-energy distal radius fractures normally occur earlier in life than hip and spine fractures and may be the first presentation of osteoporosis. Few studies have addressed the association between distal ... -
No effect of plasma trimethylamine N-Oxide (TMAO) and plasma trimethyllysine (TML) on the association between choline intake and acute myocardial infarction risk in patients with stable angina pectoris
Van Parys, Anthea; Lysne, Vegard; Øyen, Jannike; Dierkes, Jutta; Nygård, Ottar Kjell (Journal article, 2020)Plasma concentrations of trimethylamine N-oxide (TMAO) have been linked to cardiovascular disease (CVD) risk and mortality. TMAO is formed through the bacterial conversion of trimethylamine which is obtained either directly ... -
The nutritional strategy: four questions predict morbidity, mortality and health care costs
Tangvik, Randi Julie; Tell, Grethe Seppola; Eisman, John A.; Guttormsen, Anne Berit; Henriksen, Andreas; Nilsen, Roy Miodini; Øyen, Jannike; Ranhoff, Anette Hylen (Peer reviewed; Journal article, 2014-08)Background Nutritional care for hospital in-patients is potentially important but challenging. Objective To investigate the association between nutritional status and clinical outcomes. Methods Eight prevalence surveys ... -
Osteoporosis as a Risk Factor for Distal Radial Fractures. A Case-Control Study
Øyen, Jannike; Brudvik, Christina; Gjesdal, Clara Gram; Tell, Grethe Seppola; Lie, Stein Atle; Hove, Leiv M. (Peer reviewed; Journal article, 2011)Background: Distal radial fractures occur earlier in life than hip and spinal fractures and may be the first sign of osteoporosis. The aims of this case-control study were to compare the prevalence of osteopenia and ... -
Smoking and body fat mass in relation to bone mineral density and hip fracture: The Hordaland Health Study
Øyen, Jannike; Gjesdal, Clara Gram; Nygård, Ottar; Lie, Stein Atle; Meyer, Haakon; Apalset, Ellen M.; Ueland, Per Magne; Pedersen, Eva Kristine Ringdal; Midttun, Øivind; Vollset, Stein Emil; Tell, Grethe Seppola (Peer reviewed; Journal article, 2014-03-25)Lower bone mineral density (BMD) in smokers may be attributable to lower body weight or fat mass, rather than to a direct effect of smoking. We analyzed the effects of smoking exposure, assessed by plasma cotinine, and ...