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R. Jorde · SciRah

Researcher profile · Semantic Scholar

R. Jorde

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R. Jorde — researcher profile on SciRah

h-index: 69
Works: 289
Citations: 16K

Most-cited papers

Vitamin D deficiency in Europe: pandemic?
K. Cashman, Kirsten G. Dowling, Zuzana Škrabáková, M. González-Gross +33 more
2016American Journal of Clinical Nutrition1,210 citations Open access
Semantic Scholar
Vitamin D and mortality: meta-analysis of individual participant data from a large consortium of cohort studies from Europe and the United States
B. Schöttker, R. Jorde, A. Peasey, B. Thorand +23 more
2014British medical journal388 citations Open access
Semantic Scholar
Association of vitamin D status with arterial blood pressure and hypertension risk: a mendelian randomisation study
K. Vimaleswaran, A. Cavadino, D. Berry, R. Jorde +100 more
2014The Lancet Diabetes and Endocrinology354 citations Open access
Semantic Scholar
Rationale and Plan for Vitamin D Food Fortification: A Review and Guidance Paper
S. Pilz, W. März, K. Cashman, M. Kiely +31 more
2018Frontiers in Endocrinology345 citations Open access
Semantic Scholar
Vitamin D and mortality: Individual participant data meta-analysis of standardized 25-hydroxyvitamin D in 26916 individuals from a European consortium
M. Gaksch, R. Jorde, G. Grimnes, R. Joakimsen +37 more
2017PLoS ONE315 citations Open access
Semantic Scholar
Effect of Vitamin D Supplementation on Blood Pressure
Louise Beveridge, A. D. Struthers, F. Khan, R. Jorde +18 more
2015JAMA Internal Medicine290 citations Open access
Semantic Scholar
Non-skeletal health effects of vitamin D supplementation: A systematic review on findings from meta-analyses summarizing trial data
L. Rejnmark, L. S. Bislev, K. Cashman, G. Eiriksdottir +9 more
2017PLoS ONE219 citations Open access
Semantic Scholar
Vitamin D 20,000 IU per Week for Five Years Does Not Prevent Progression From Prediabetes to Diabetes.
R. Jorde, S. T. Sollid, J. Svartberg, H. Schirmer +5 more
2016Journal of Clinical Endocrinology and Metabolism190 citations
Semantic Scholar
Seasonal Changes in Vitamin D-Effective UVB Availability in Europe and Associations with Population Serum 25-Hydroxyvitamin D
C. O'Neill, A. Kazantzidis, M. Ryan, N. Barber +10 more
2016Nutrients173 citations Open access
Semantic Scholar
A study of the psychometric properties of the Beck Depression Inventory-II, the Montgomery and Åsberg Depression Rating Scale, and the Hospital Anxiety and Depression Scale in a sample from a healthy population.
M. Kjærgaard, C. E. Wang, K. Waterloo, R. Jorde
2014Scandinavian Journal of Psychology129 citations
Semantic Scholar
No Effect of High-Dose Vitamin D Supplementation on Glycemic Status or Cardiovascular Risk Factors in Subjects With Prediabetes
S. T. Sollid, M. Hutchinson, O. Fuskevåg, Y. Figenschau +6 more
2014Diabetes Care124 citations Open access
Semantic Scholar
Serum free and bio-available 25-hydroxyvitamin D correlate better with bone density than serum total 25-hydroxyvitamin D
M. S. Johnsen, G. Grimnes, Y. Figenschau, P. Torjesen +2 more
2014Scandinavian Journal of Clinical and Laboratory Investigation111 citations Open access
Semantic Scholar
Assessing the relationship between perfluoroalkyl substances, thyroid hormones and binding proteins in pregnant women; a longitudinal mixed effects approach.
Vivian Berg, T. Nøst, Solrunn Hansen, Astrid Elverland +4 more
2015Environment International107 citations Open access
Semantic Scholar
Vitamin D and Risk for Type 2 Diabetes in People With Prediabetes
A. Pittas, T. Kawahara, R. Jorde, B. Dawson-Hughes +5 more
2023Annals of Internal Medicine104 citations
Semantic Scholar
Vitamin D Supplementation for Prevention of Type 2 Diabetes Mellitus: To D or Not to D?
A. Pittas, R. Jorde, T. Kawahara, B. Dawson-Hughes
2020Journal of Clinical Endocrinology and Metabolism100 citations Open access
Semantic Scholar
Determination of Free 25(OH)D Concentrations and Their Relationships to Total 25(OH)D in Multiple Clinical Populations
Janice B. Schwartz, J. C. Gallagher, R. Jorde, Vivian Berg +16 more
2018Journal of Clinical Endocrinology and Metabolism87 citations Open access
Semantic Scholar
Persistent Organic Pollutants and the Association with Maternal and Infant Thyroid Homeostasis: A Multipollutant Assessment
Vivian Berg, T. Nøst, R. Pettersen, Solrunn Hansen +4 more
2016Environmental Health Perspectives78 citations Open access
Semantic Scholar
Vitamin D3 increases in abdominal subcutaneous fat tissue after supplementation with vitamin D3.
A. Didriksen, Anders Burild, J. Jakobsen, O. Fuskevåg +1 more
2015European Journal of Endocrinology77 citations Open access
Semantic Scholar
Vitamin D Stored in Fat Tissue During a 5-Year Intervention Affects Serum 25-Hydroxyvitamin D Levels the Following Year
Ieva Martinaityte, E. Kamycheva, A. Didriksen, J. Jakobsen +1 more
2017Journal of Clinical Endocrinology and Metabolism73 citations Open access
Semantic Scholar
Effects of vitamin D binding protein phenotypes and vitamin D supplementation on serum total 25(OH)D and directly measured free 25(OH)D
S. T. Sollid, M. Hutchinson, Vivian Berg, O. Fuskevåg +3 more
2016European Journal of Endocrinology69 citations Open access
Semantic Scholar
Vitamin D and cognitive function: The Tromsø Study.
R. Jorde, E. Mathiesen, Sigbjørn O. Rogne, T. Wilsgaard +3 more
2015Journal of Neurological Sciences68 citations
Semantic Scholar
The Tromsø Study: Fit Futures: a study of Norwegian adolescents’ lifestyle and bone health
A. Winther, E. Dennison, L. Ahmed, A. Furberg +4 more
2014Archives of Osteoporosis65 citations Open access
Semantic Scholar
Vitamin D and cognitive function: A Mendelian randomisation study
J. Maddock, A. Zhou, A. Cavadino, E. Kuźma +45 more
2017Scientific Reports63 citations Open access
Semantic Scholar
Vitamin D deficiency and lifestyle risk factors in a Norwegian adolescent population
J. Öberg, R. Jorde, B. Almås, N. Emaus +1 more
2014Scandinavian Journal of Public Health61 citations
Semantic Scholar
Effects of vitamin D supplementation on markers for cardiovascular disease and type 2 diabetes: an individual participant data meta-analysis of randomized controlled trials.
K. Swart, P. Lips, I. Brouwer, R. Jorde +18 more
2018American Journal of Clinical Nutrition57 citations Open access
Semantic Scholar
Supplementation with Vitamin D Does not Increase Serum Testosterone Levels in Healthy Males
R. Jorde, G. Grimnes, M. Hutchinson, M. Kjærgaard +2 more
2013Hormone and Metabolic Research57 citations
Semantic Scholar
Large Individual Differences in Serum 25-Hydroxyvitamin D Response to Vitamin D Supplementation: Effects of Genetic Factors, Body Mass Index, and Baseline Concentration. Results from a Randomized Controlled Trial
S. T. Sollid, M. Hutchinson, O. Fuskevåg, R. Joakimsen +1 more
2015Hormone and Metabolic Research53 citations Open access
Semantic Scholar
Prevention of urinary tract infections with vitamin D supplementation 20,000 IU per week for five years. Results from an RCT including 511 subjects
R. Jorde, S. T. Sollid, J. Svartberg, R. Joakimsen +2 more
2016Infectious Diseases51 citations
Semantic Scholar
Insulin-like growth factor I, growth hormone, and insulin sensitivity: the effects of a one-year cholecalciferol supplementation in middle-aged overweight and obese subjects
E. Kamycheva, Vivian Berg, R. Jorde
2013Endocrine47 citations
Semantic Scholar
No improvement in depressive symptoms by vitamin D supplementation: results from a randomised controlled trial
R. Jorde, Julia Kubiak
2018Journal of Nutritional Science42 citations Open access
Semantic Scholar
Vitamin D and health: the need for more randomized controlled trials.
R. Jorde, G. Grimnes
2015Journal of Steroid Biochemistry and Molecular Biology42 citations
Semantic Scholar
Vitamin D and intraocular pressure – results from a case –control and an intervention study
E. Krefting, R. Jorde, T. Christoffersen, G. Grimnes
2014Acta ophthalmologica41 citations Open access
Semantic Scholar
Changes in the human transcriptome upon vitamin D supplementation.
Yvonne Pasing, C. Fenton, R. Jorde, R. Paulssen
2017Journal of Steroid Biochemistry and Molecular Biology39 citations Open access
Semantic Scholar
Small and large fiber neuropathy in those with type 1 and type 2 diabetes: a 5‐year follow‐up study
S. Løseth, E. Stålberg, S. Lindal, E. Olsen +2 more
2016Journal of the peripheral nervous system39 citations
Semantic Scholar
Alanine Aminotransferase and Body Composition in Obese Men and Women
S. Bekkelund, R. Jorde
2019Disease Markers37 citations Open access
Semantic Scholar
Leisure time computer use and adolescent bone health—findings from the Tromsø Study, Fit Futures: a cross-sectional study
A. Winther, L. Ahmed, A. Furberg, G. Grimnes +4 more
2015BMJ Open37 citations Open access
Semantic Scholar
Effect of Genetically Low 25-Hydroxyvitamin D on Mortality Risk: Mendelian Randomization Analysis in 3 Large European Cohorts
T. Aspelund, M. Grübler, A. Smith, E. Gudmundsson +29 more
2019Nutrients34 citations Open access
Semantic Scholar
Vitamin D deficiency is common in psychogeriatric patients, independent of diagnosis
O. Grønli, J. Kvamme, R. Jorde, R. Wynn
2014BMC Psychiatry32 citations Open access
Semantic Scholar
Vitamin D supplementation has no effect on cognitive performance after four months in mid-aged and older subjects.
R. Jorde, Julia Kubiak, J. Svartberg, O. Fuskevåg +3 more
2019Journal of Neurological Sciences30 citations
Semantic Scholar
Effects of vitamin D supplementation on bone turnover markers and other bone-related substances in subjects with vitamin D deficiency.
R. Jorde, A. K. Stunes, Julia Kubiak, R. Joakimsen +3 more
2019Bone30 citations Open access
Semantic Scholar
Serum cholecalciferol may be a better marker of vitamin D status than 25-hydroxyvitamin D.
R. Jorde, G. Grimnes
2018Medical Hypotheses30 citations
Semantic Scholar
Single‐nucleotide polymorphism, rs1799941 in the Sex Hormone‐Binding Globulin (SHBG) gene, related to both serum testosterone and SHBG levels and the risk of myocardial infarction, type 2 diabetes, cancer and mortality in men: the Tromsø Study
J. Svartberg, H. Schirmer, T. Wilsgaard, E. Mathiesen +3 more
2014Andrology30 citations Open access
Semantic Scholar
Vitamin D supplementation does not improve CVD risk factors in vitamin D-insufficient subjects
Julia Kubiak, P. Thorsby, E. Kamycheva, R. Jorde
2018Endocrine Connections28 citations Open access
Semantic Scholar
Genetic Variations in the Vitamin D Receptor Predict Type 2 Diabetes and Myocardial Infarction in a Community-Based Population: The Tromsø Study
Ieva Žostautienė, R. Jorde, H. Schirmer, E. Mathiesen +5 more
2015PLoS ONE25 citations Open access
Semantic Scholar
Serum levels of vitamin D are not associated with future risk of venous thromboembolism
E. Brodin, Gunhild Lerstad, G. Grimnes, S. Brækkan +5 more
2013Thrombosis and Haemostasis25 citations
Semantic Scholar
Hyperglycemia, assessed according to HbA1c, and future risk of venous thromboembolism: the Tromsø study
G. Lerstad, E. Brodin, K. Enga, R. Jorde +5 more
2014Journal of Thrombosis and Haemostasis24 citations Open access
Semantic Scholar
Lean body mass and creatine kinase are associated with reduced inflammation in obesity
S. Bekkelund, R. Jorde
2017European Journal of Clinical Investigation23 citations
Semantic Scholar
High dose vitamin D may improve lower urinary tract symptoms in postmenopausal women.
J. Öberg, M. Verelst, R. Jorde, K. Cashman +1 more
2017Journal of Steroid Biochemistry and Molecular Biology23 citations
Semantic Scholar
RCTS are the only appropriate way to demonstrate the role of vitamin D in health.
R. Jorde
2017Journal of Steroid Biochemistry and Molecular Biology22 citations
Semantic Scholar
The DBP Phenotype Gc-1f/Gc-1f Is Associated with Reduced Risk of Cancer. The Tromsø Study
R. Jorde, H. Schirmer, T. Wilsgaard, Ellisiv Bøgeberg Mathiesen +4 more
2015PLoS ONE22 citations Open access
Semantic Scholar

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