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Ragnar Martin Joakimsen

Professor II
Institutt for klinisk medisin




Forskningsinteresser

Osteoporose, diabetes, medisinsk utdanning

Arbeider i CRIStin


  • Jorde, Rolf; Stunes, Astrid Kamilla; Kubiak, Julia Magdalena; Joakimsen, Ragnar Martin; Grimnes, Guri; Thorsby, Per Medbøe; Syversen, Unni. Effects of vitamin D supplementation on bone turnover markers and other bone-related substances in subjects with vitamin D deficiency. Bone 2019; Volum 124. ISSN 8756-3282.s 7 - 13.s doi: 10.1016/j.bone.2019.04.002.

  • Aspelund, Thor; Grübler, Martin R.; Smith, Albert V.; Gudmundsson, Elias F.; Keppel, Martin; Cotch, Mary Frances; Harris, Tamara B.; 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; Grove-Laugesen, Diana; Rejnmark, Lars; 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; Gudnason, Vilmundur; Eiríksdóttir, Gudny. Effect of genetically low 25-hydroxyvitamin D on mortality risk: Mendelian randomization analysis in 3 large european cohorts. Nutrients 2019; Volum 11:74 (1). ISSN 2072-6643.s 1 - 12.s doi: 10.3390/nu11010074.

  • Andreasen, Camilla; Solberg, Lene Bergendal; Basso, Trude; Borgen, Tove Tveitan; Dahl, Cecilie; Wisløff, Torbjørn; Hagen, Gunhild; Apalset, Ellen M; Gjertsen, Jan-Erik; Figved, Wender; Hübschle, Lars Michael; Stutzer, Jens-Meinhard; Elvenes, Jan; Joakimsen, Ragnar Martin; Syversen, Unni; Eriksen, Erik Fink; Nordsletten, Lars; Frihagen, Frede Jon; Omsland, Tone Kristin; Bjørnerem, Åshild. Effect of a Fracture Liaison Service on the Rate of Subsequent Fracture Among Patients With a Fragility Fracture in the Norwegian Capture the Fracture Initiative (NoFRACT): A Trial Protocol. JAMA Network Open 2018; Volum 1 (8). ISSN 2574-3805.s doi: 10.1001/jamanetworkopen.2018.5701.

  • Bradway, Meghan; Pfuhl, Gerit; Joakimsen, Ragnar Martin; Ribu, Lis; Grøttland, Astrid; Årsand, Eirik. Analysing mHealth usage logs in RCTs: Explaining participants’ interactions with type 2 diabetes self-management tools. PLOS ONE 2018; Volum 13 (8). ISSN 1932-6203.s doi: 10.1371/journal.pone.0203202.

  • Osima, Marit; Kral, Rita; Borgen, Tove Tveitan; Høgestøl, Ingvild Kristine; Joakimsen, Ragnar Martin; Eriksen, Erik Fink; Bjørnerem, Åshild. Women with type 2 diabetes mellitus have lower cortical porosity of the proximal femoral shaft using low-resolution CT than nondiabetic women, and increasing glucose is associated with reduced cortical porosity. (fulltekst) Bone 2017; Volum 97. ISSN 8756-3282.s 252 - 260.s doi: 10.1016/j.bone.2017.01.037.

  • Osima, Marit; Borgen, Tove Tveitan; Lukic, Marko; Grimnes, Guri; Joakimsen, Ragnar Martin; Eriksen, Erik Fink; Bjørnerem, Åshild. Serum parathyroid hormone is associated with increased cortical porosity of the inner transitional zone at the proximal femur in postmenopausal women: the Tromsø Study. (fulltekst) Osteoporosis International 2017; Volum 29 (2). ISSN 0937-941X.s 421 - 431.s doi: 10.1007/s00198-017-4298-3.

  • Martinaityte, Leva; Jorde, Rolf; Emaus, Nina; Eggen, Anne Elise; Joakimsen, Ragnar Martin; Kamycheva, Elena. Bone mineral density is associated with Vitamin D related rs6013897 and estrogen receptor polymorphism rs4870044: The Tromsø study. PLOS ONE 2017; Volum 12:e0173045 (3). ISSN 1932-6203.s 1 - 12.s doi: 10.1371/journal.pone.0173045.

  • 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. Vitamin D and mortality: Individual participant data meta-analysis of standardized 25-hydroxyvitamin D in 26916 individuals from a European consortium. PLOS ONE 2017; Volum 12:e0170791 (2). ISSN 1932-6203.s 1 - 15.s doi: 10.1371/journal.pone.0170791.

  • Shigdel, Rajesh; Osima, Marit; Lukic, Marko; Ahmed, Luai Awad; Joakimsen, Ragnar Martin; Eriksen, Erik Fink; Bjørnerem, Åshild. Determinants of Transitional Zone Area and Porosity of the Proximal Femur Quantified in Vivo in Postmenopausal Women. Journal of Bone and Mineral Research 2016; Volum 31 (4). ISSN 0884-0431.s 758 - 766.s doi: 10.1002/jbmr.2751.

  • Jorde, Rolf; Sollid, Stina Therese; Svartberg, Johan; Joakimsen, Ragnar Martin; Grimnes, Guri; Strand Hutchinson, Moira. Prevention of urinary tract infections with vitamin D supplementation 20,000 IU per week for five years. Results from an RCT including 511 subjects. Infectious Diseases 2016; Volum 48 (11-12). ISSN 2374-4235.s 823 - 828.s doi: 10.1080/23744235.2016.1201853.

  • Jorde, Rolf; Sollid, Stina Therese; Svartberg, Johan; Schirmer, Henrik; Joakimsen, Ragnar Martin; Njølstad, Inger; Fuskevåg, Ole-Martin; Figenschau, Yngve Anton; Strand Hutchinson, Moira. Vitamin D 20 000 IU per week for five years does not prevent progression from prediabetes to diabetes. Journal of Clinical Endocrinology and Metabolism 2016; Volum 101 (4). ISSN 0021-972X.s 1647 - 1655.s doi: 10.1210/jc.2015-4013.

  • Dahl, Kristoffer; Ahmed, Luai Awad; Joakimsen, Ragnar Martin; Jørgensen, Lone; Eggen, Anne Elise; Eriksen, Erik Fink; Bjørnerem, Åshild. High-sensitivity C-reactive protein is an independent risk factor for non-vertebral fractures in women and men: The Tromsø Study. Bone 2015; Volum 72. ISSN 8756-3282.s 65 - 70.s doi: 10.1016/j.bone.2014.11.012.

  • Sollid, Stina Therese; Strand Hutchinson, Moira; Fuskevåg, Ole-Martin; Joakimsen, Ragnar Martin; Jorde, Rolf. Large Individual Differences in Serum 25-HydroxyVitamin D Response to Vitamin D Supplementation: Effects of Genetic Factors, Body Mass Index, and Baseline ConcentrationResults from a Randomized Controlled Trial. Hormone and Metabolic Research 2015; Volum 48 (1). ISSN 0018-5043.s 27 - 34.s doi: 10.1055/s-0034-1398617.

  • Zostautiene, Leva; Jorde, Rolf; Schirmer, Henrik; Mathiesen, Ellisiv B.; Njølstad, Inger; Løchen, Maja-Lisa; Wilsgaard, Tom; Joakimsen, Ragnar Martin; Kamycheva, Elena. Genetic variations in the Vitamin D receptor predict type 2 diabetes and myocardial infarction in a community-based population: The tromsø study. PLOS ONE 2015; Volum 10:e0145359 (12). ISSN 1932-6203.s doi: 10.1371/journal.pone.0145359.

  • Shigdel, Rajesh; Osima, Marit; Ahmed, Luai Awad; Joakimsen, Ragnar Martin; Eriksen, Erik Fink; Zebaze, Roger; Bjørnerem, Åshild. Bone turnover markers are associated with higher cortical porosity, thinner cortices, and larger size of the proximal femur and non-vertebral fractures. Bone 2015; Volum 81. ISSN 8756-3282.s 1 - 6.s doi: 10.1016/j.bone.2015.06.016.

  • Skrøvseth, Stein Olav; Årsand, Eirik; Godtliebsen, Fred; Joakimsen, Ragnar Martin. Data-driven personalized feedback to patients with Type 1 Diabetes: A randomized trial. Diabetes Technology & Therapeutics 2015; Volum 17 (7). ISSN 1520-9156.s 482 - 489.s doi: 10.1089/dia.2014.0276.

  • Ahmed, Luai Awad; Shigdel, Rajesh; Joakimsen, Ragnar Martin; Eldevik, Odd Petter; Eriksen, Erik Fink; Ghasem-Zadeh, Ali; Bala, Yohann; Zebaze, Roger; Seeman, Ego; Bjørnerem, Åshild. Measurement of cortical porosity of the proximal femur improves identification of women with nonvertebral fragility fractures. Osteoporosis International 2015; Volum 26 (8). ISSN 0937-941X.s 2137 - 2146.s doi: 10.1007/s00198-015-3118-x.

  • Jorde, Rolf; Schirmer, Henrik; Wilsgaard, Tom; Mathiesen, Ellisiv B.; Njølstad, Inger; Løchen, Maja-Lisa; Joakimsen, Ragnar Martin; Grimnes, Guri. The DBP Phenotype Gc-1f/Gc-1f is associated with reduced risk of cancer. The Tromsø Study. PLOS ONE 2015; Volum 10:e0126359 (5). ISSN 1932-6203.s doi: 10.1371/journal.pone.0126359.

  • Jorde, Rolf; Schirmer, Henrik; Wilsgaard, Tom; Joakimsen, Ragnar Martin; Mathiesen, Ellisiv B.; Njølstad, Inger; Løchen, Maja-Lisa; Figenschau, Yngve Anton; Svartberg, Johan; Hutchinson, Moira Strand; Kjærgaard, Marie; Jørgensen, Lone; Grimnes, Guri. The phosphodiesterase 8B Gene rs4704397 is associated with thyroid function, risk of myocardial infarction, and body height: The Tromsø study. Thyroid 2014; Volum 24 (2). ISSN 1050-7256.s 215 - 222.s doi: 10.1089/thy.2013.0177.

  • Ahmed, Luai Awad; Nguyen, Nguyen D.; Bjørnerem, Åshild; Joakimsen, Ragnar Martin; Jørgensen, Lone; Størmer, Jan; Bliuc, Dana; Center, Jacqueline R; Eisman, John; Nguyen, Tuan; Emaus, Nina. External validation of the garvan nomograms for predicting absolute fracture risk: The tromsø study. PLOS ONE 2014; Volum 9>e0107695 (9). ISSN 1932-6203.s doi: 10.1371/journal.pone.0107695.

  • Sollid, Stina Therese; Strand Hutchinson, Moira; Fuskevåg, Ole-Martin; Figenschau, Yngve Anton; Joakimsen, Ragnar Martin; Schirmer, Henrik; Njølstad, Inger; Svartberg, Johan; Kamycheva, Elena; Jorde, Rolf. No effect of high-dose vitamin D supplementation on glycemic status or cardiovascular risk factors in subjects with prediabetes. Diabetes Care 2014; Volum 37 (8). ISSN 0149-5992.s 2123 - 2131.s doi: 10.2337/dc14-0218.

  • Hutchinson, Moira Strand; Joakimsen, Ragnar Martin; Njølstad, Inger; Schirmer, Henrik; Figenschau, Yngve Anton; Svartberg, Johan; Jorde, Rolf. Effects of Age and Sex on Estimated Diabetes Prevalence Using Different Diagnostic Criteria: The Tromso OGTT Study. International Journal of Endocrinology 2013. ISSN 1687-8337.s doi: 10.1155/2013/613475.

  • Didriksen, Allan; Grimnes, Guri; Hutchinson, Moira Strand; Kjærgaard, Marie; Svartberg, Johan; Joakimsen, Ragnar Martin; Jorde, Rolf. The serum 25-hydroxyvitamin D response to vitamin D supplementation is related to genetic factors, BMI, and baseline levels. European Journal of Endocrinology 2013; Volum 169 (5). ISSN 0804-4643.s 559 - 567.s doi: 10.1530/EJE-13-0233.

  • Ahmed, Luai Awad; Center, JR; Bjørnerem, Åshild; Bluic, Dana; Joakimsen, Ragnar Martin; Jørgensen, Lone; Meyer, Haakon E; Nguyen, ND; Nguyen, TV; Omsland, Tone Kristin; Størmer, Jan; Tell, Grethe S; Van Geel, Tineke; Eisman, JA; Emaus, Nina. Progressively increasing fracture risk with advancing age after initial incident fragility fracture: The Tromsø Study. Journal of Bone and Mineral Research 2013; Volum 28 (10). ISSN 0884-0431.s 2214 - 2221.s doi: 10.1002/jbmr.1952.

  • Skrøvseth, Stein Olav; Årsand, Eirik; Godtliebsen, Fred; Joakimsen, Ragnar Martin. Model-driven diabetes care: study protocol for a randomized controlled trial. Trials 2013; Volum 14. ISSN 1745-6215.s 139 - .s doi: 10.1186/1745-6215-14-139.

  • Grimnes, Guri; Joakimsen, Ragnar M; Figenschau, Yngve; Torjesen, Peter A; Almås, Bjørg; Jorde, Rolf. The effect of high-dose vitamin D on bone mineral density and bone turnover markers in postmenopausal women with low bone mass-a randomized controlled 1-year trial. (sammendrag) Osteoporosis International 2012; Volum 23 (1). ISSN 0937-941X.s 201 - 211.s doi: 10.1007/s00198-011-1752-5.

  • Jorde, Rolf; Svartberg, Johan; Joakimsen, Ragnar Martin; Coucheron, Dag-Hugo. Plasma profile of microRNA after supplementation with high doses of vitamin D3 for 12 months. (data) BMC Research Notes 2012; Volum 5. ISSN 1756-0500.s 245 - .s doi: 10.1186/1756-0500-5-245.

  • Hutchinson, Moira Strand; Joakimsen, Ragnar Martin; Njølstad, Inger; Schirmer, Henrik; Figenschau, Yngve Anton; Jorde, Rolf. Glycated hemoglobin in diagnosis of diabetes mellitus and pre-diabetes; validation by oral glucose tolerance test. The Tromsø OGTT Study. Journal of Endocrinological Investigation 2012; Volum 35 (9). ISSN 0391-4097.s 835 - 840.s doi: 10.3275/8191.

  • Søgaard, Anne-Johanne; Meyer, Haakon E; Ahmed, Luai A.; Jørgensen, Lone; Bjørnerem, Åshild; Joakimsen, Ragnar Martin; Emaus, Nina. Does recalled dieting increase the risk of non-vertebral osteoporotic fractures? The Tromsø Study. Osteoporosis International 2012; Volum 23 (12). ISSN 0937-941X.s 2835 - 2845.s doi: 10.1007/s00198-012-1916-y.

  • Skrøvseth, Stein Olav; Årsand, Eirik; Godtliebsen, Fred; Joakimsen, Ragnar Martin. Model driven mobile care for patients with type 1 diabetes. Studies in Health Technology and Informatics 2012; Volum 180. ISSN 0926-9630.s 1045 - 1049.s doi: 10.3233/978-1-61499-101-4-1045.

  • Jorde, Rolf; Schirmer, Henrik; Wilsgaard, Tom; Joakimsen, Ragnar Martin; Mathiesen, Ellisiv B.; Njølstad, Inger; Løchen, Maja-Lisa; Figenschau, Yngve; Berg, Jens Petter; Svartberg, Johan; Grimnes, Guri. Polymorphisms Related to the Serum 25-Hydroxyvitamin D Level and Risk of Myocardial Infarction, Diabetes, Cancer and Mortality. The Tromsø Study. PLOS ONE 2012; Volum 7 (5). ISSN 1932-6203.s doi: 10.1371/journal.pone.0037295.

  • Jorde, Rolf; Svartberg, Johan; Joakimsen, Ragnar Martin; Grimnes, Guri. Associations between Polymorphisms Related to Calcium Metabolism and Human Height: The Tromso Study. Annals of Human Genetics 2012; Volum 76. ISSN 0003-4800.s 200 - 210.s doi: 10.1111/j.1469-1809.2012.00703.x.

  • Jørgensen, Lone; Hansen, John-Bjarne; Ahmed, Luai A.; Bjørnerem, Åshild; Emaus, Nina; Joakimsen, Ragnar Martin; Mathiesen, Ellisiv B.; Størmer, Jan; Vik, Anders; Jacobsen, Bjarne K.. Osteoprotegerin is associated with hip fracture incidence: the Tromso Study. (sammendrag) International Journal of Epidemiology 2012; Volum 41 (4). ISSN 0300-5771.s 1033 - 1039.s doi: 10.1093/ije/dys063.

  • Morseth, Bente; Ahmed, Luai A.; Bjørnerem, Åshild; Emaus, Nina; Jacobsen, Bjarne K.; Joakimsen, Ragnar Martin; Størmer, Jan; Wilsgaard, Tom; Jørgensen, Lone. Leisure time physical activity and risk of non-vertebral fracture in men and women aged 55 years and older: the Tromso Study. European Journal of Epidemiology (EJE) 2012; Volum 27 (6). ISSN 0393-2990.s 463 - 471.s doi: 10.1007/s10654-012-9665-y.

  • Wilsgaard, Tom; Jacobsen, Bjarne K.; Ahmed, Luai; Joakimsen, Ragnar M; Størmer, Jan; Jørgensen, Lone. BMI change is associated with fracture incidence, but only in non-smokers. The Tromsø Study. Osteoporosis International 2011; Volum 22 (4). ISSN 0937-941X.s 1237 - 1245.s doi: 10.1007/s00198-010-1318-y.

  • Bjørnerem, Åshild; Ahmed, Luai A.; Jørgensen, Lone; Størmer, Jan; Joakimsen, Ragnar Martin. Breastfeeding Protects Against Hip Fracture in Postmenopausal Women: The Tromso Study. Journal of Bone and Mineral Research 2011; Volum 26 (12). ISSN 0884-0431.s 2843 - 2850.s doi: 10.1002/jbmr.496.

  • Kjærgaard, Marie; Joakimsen, Ragnar M; Jorde, Rolf. Low serum 25-hydroxyvitamin D levels are associated with depression in an adult Norwegian population. Psychiatry Research 2011; Volum 190 (2-3). ISSN 0165-1781.s 221 - 225.s doi: 10.1016/j.psychres.2011.06.024.

  • Omsland, Tone Kristin; Ahmed, Luai; Grønskag, Anna Brenne; Schei, Berit; Emaus, Nina; Langhammer, Arnulf; Joakimsen, Ragnar M; Jørgensen, Lone; Søgaard, Anne Johanne; Gjesdal, Clara Gram; Meyer, Haakon E. More forearm fractures among urban than rural women: The NOREPOS study based on the Tromsø study and the HUNT study. Journal of Bone and Mineral Research 2011; Volum 26 (4). ISSN 0884-0431.s 850 - 856.s doi: 10.1002/jbmr.280.

  • Jørgensen, Lone; Joakimsen, Ragnar M; Ahmed, Luai; Størmer, Jan; Jacobsen, Bjarne K.. Smoking is a strong risk factor for non-vertebral fractures in women with diabetes. The Tromsø Study. Osteoporosis International 2011; Volum 22 (4). ISSN 0937-941X.s 1247 - 1253.s doi: 10.1007/s00198-010-1340-0.

  • Grimnes, Guri; Emaus, Nina; Joakimsen, Ragnar M; Figenschau, Yngve; Jenssen, Trond Geir; Njølstad, Inger; Schirmer, Henrik; Jorde, Rolf. Baseline serum 25-hydroxyvitamin D concentrations in the Tromso Study 1994-95 and risk of developing type 2 diabetes mellitus during 11 years of follow-up. Diabetic Medicine 2010; Volum 27 (10). ISSN 0742-3071.s 1107 - 1115.s doi: 10.1111/j.1464-5491.2010.03092.x.

  • Ahmed, Luai A.; Emaus, Nina; Berntsen, Gro; Bjørnerem, Åshild; Fønnebø, Vinjar; Jørgensen, Lone; Schirmer, Henrik; Størmer, Jan; Joakimsen, Ragnar M. Bone loss and the risk of non-vertebral fractures in women and men: the Tromsø study. Osteoporosis International 2010; Volum 21 (9). ISSN 0937-941X.s 1503 - 1511.s doi: 10.1007/s00198-009-1102-z.

  • Hutchinson, Moira Strand; Grimnes, Guri; Joakimsen, Ragnar M; Figenschau, Yngve; Jorde, Rolf. Low serum 25-hydroxyvitamin D levels are associated with increased all-cause mortality risk in a general population: the Tromso study. European Journal of Endocrinology 2010; Volum 162 (5). ISSN 0804-4643.s 935 - 942.s doi: 10.1530/EJE-09-1041.

  • Jørgensen, Lone; Skjelbakken, Tove; Løchen, Maja-Lisa; Ahmed, Luai; Bjørnerem, Åshild; Joakimsen, Ragnar M; Jacobsen, Bjarne K.. Anemia and the risk of non-vertebral fractures: the Tromso Study. Osteoporosis International 2010; Volum 21 (10). ISSN 0937-941X.s 1761 - 1768.s doi: 10.1007/s00198-009-1131-7.

  • Ahmed, Luai; Emaus, Nina; Berntsen, GK; Bjørnerem, Åshild; Fønnebø, Vinjar; Jørgensen, Lone; Schirmer, Henrik; Størmer, J; Joakimsen, Ragnar M. Bone Loss and the Risk of Non-vertebral Fractures in Women and Men: The Tromsø Study. Osteoporosis International 2009. ISSN 0937-941X.s doi: 10.1007/s00198-009-1102-z.

  • Ahmed, Luai; Schirmer, Henrik; Bjørnerem, Åshild; Emaus, Nina; Jørgensen, Lone; Størmer, Jan; Joakimsen, Ragnar M. The gender- and age-specific 10-year and lifetime absolute fracture risk in Tromso, Norway. European Journal of Epidemiology (EJE) 2009; Volum 24 (8). ISSN 0393-2990.s 441 - 448.s doi: 10.1007/s10654-009-9353-8.

  • Wilsgaard, Tom; Emaus, Nina; Ahmed, Luai; Grimnes, Guri; Joakimsen, Ragnar M; Omsland, Kristin; Omsland, Tone Kristin; Berntsen, Gro. Lifestyle Impact on Lifetime Bone Loss in Women and Men. American Journal of Epidemiology 2009; Volum 169 (7). ISSN 0002-9262.s 877 - 886.s doi: 10.1093/aje/kwn407.

  • Grimnes, Guri; Emaus, Nina; Joakimsen, Ragnar M; Figenschau, Yngve; Jorde, Rolf. The Relationship between Serum TSH and Bone Mineral Density in Men and Postmenopausal Women: The Tromso Study. Thyroid 2008; Volum 18 (11). ISSN 1050-7256.s 1147 - 1155.s doi: 10.1089/thy.2008.0158.

  • Sneve, Monica; Emaus, Nina; Joakimsen, Ragnar M; Jorde, Rolf. The association between serum parathyroid hormone and bone mineral density, and the impact of smoking: the Tromso Study. European Journal of Endocrinology 2008; Volum 158 (3). ISSN 0804-4643.s 401 - 409.s doi: 10.1530/EJE-07-0610.

  • Thrane, Gyrd; Joakimsen, Ragnar M; Thornquist, Eline. The association between timed up and go test and history of falls: The Tromsø Study. BMC Geriatrics 2007. ISSN 1471-2318.s doi: 10.1186/1471-2318-7-1.

  • Bjørnerem, Åshild; Ahmed, Luai; Joakimsen, Ragnar M; Berntsen, Gro; Fønnebø, Vinjar; Jørgensen, Lone; Øian, Pål; Seeman, Ego; Straume, Bjørn. A prospective study of sex steroids, sex hormone-binding globulin, and non-vertebral fractures in women and men: the Tromso Study. European Journal of Endocrinology 2007; Volum 157. ISSN 0804-4643.s 119 - 125.s doi: 10.1530/EJE-07-0032.

  • Bjørnerem, Åshild; Emaus, Nina; Berntsen, Gro; Joakimsen, Ragnar M; Fønnebø, Vinjar; Wilsgaard, Tom; Øian, Pål; Seeman, Ego; Straume, Bjørn. Circulating sex steroids, sex Hormone-binding globulin, and longitudinal changes in forearm bone mineral density in postmenopausal women and men: The tromso study. Calcified Tissue International 2007; Volum 81. ISSN 0171-967X.s 65 - 72.s doi: 10.1007/s00223-007-9035-z.

  • Jørgensen, Lone; Jenssen, Trond Geir; Ahmed, Luai; Bjørnerem, Åshild; Joakimsen, Ragnar M; Jacobsen, Bjarne K.. Albuminuria and risk of nonvertebral fractures. Archives of Internal Medicine 2007; Volum 167. ISSN 0003-9926.s 1379 - 1385.

  • Ahmed, Luai A.; Schirmer, Henrik; Fønnebø, Vinjar; Joakimsen, Ragnar M; Berntsen, Gro. Validation of the Cummings' risk score; how well does it identify women with high risk of hip fracture: The Tromsø Study. European Journal of Epidemiology (EJE) 2006; Volum 21 (11). ISSN 0393-2990.s 815 - 822.s doi: 10.1007/s10654-006-9072-3.

  • Ahmed, Luai; Joakimsen, Ragnar M; Berntsen, Gro; Fønnebø, Vinjar Magne; Schirmer, Henrik. Diabetes mellitus and the risk of non-vertebral fractures: the Tromso study. Osteoporosis International 2006; Volum 17 (4). ISSN 0937-941X.s 495 - 500.

  • Ahmed, Luai; Schirmer, Henrik; Berntsen, Gro; Fønnebø, Vinjar; Joakimsen, Ragnar M. Self-reported diseases and the risk of non-vertebral fractures: the Tromsø study. Osteoporosis International 2006; Volum 17 (1). ISSN 0937-941X.s 46 - 53.

  • Ahmed, Luai; Schirmer, Henrik; Berntsen, Gro; Fønnebø, Vinjar; Joakimsen, Ragnar M. Features of the metabolic syndrome and the risk of non-vertebral fractures: The Tromso study. Osteoporosis International 2006; Volum 17 (3). ISSN 0937-941X.s 426 - 432.

  • Emaus, Nina; Berntsen, Gro; Joakimsen, Ragnar M; Fønnebø, Vinjar. Longitudinal changes in forearm bone mineral density in women and men aged 45-84 years: The tromso study, a population-based study. American Journal of Epidemiology 2006; Volum 163. ISSN 0002-9262.s 441 - 449.

  • Jørgensen, Lone; Joakimsen, Oddmund; Mathiesen, Ellisiv B.; Ahmed, Luai; Berntsen, Gro; Fønnebø, Vinjar; Joakimsen, Ragnar M; Njølstad, Inger; Schirmer, Henrik; Jacobsen, Bjarne K.. Carotid plaque echogenicity and risk of nonvertebral fractures in women: A longitudinal population-based study. Calcified Tissue International 2006; Volum 79. ISSN 0171-967X.s 207 - 213.

  • Sogaard, AJ; Joakimsen, Ragnar M; Tverdal, A; Fønnebø, Vinjar Magne; Magnus, JH; Berntsen, Gro. Long-term mental distress, bone mineral density and non-vertebral fractures. The Tromsø Study. Osteoporosis International 2005; Volum 16 (8). ISSN 0937-941X.s 887 - 897.

  • Søgaard, Anne Johanne; Joakimsen, Ragnar M; Tverdal, A; Fønnebø, Vinjar Magne; Magnus, JH; Berntsen, Gro. Long-term mental distress, bone mineral density and non-vertebral fractures. The Tromso Study. Osteoporosis International 2005; Volum 16. ISSN 0937-941X.s 887 - 897.

  • Emaus, Nina; Berntsen, Gro; Joakimsen, Ragnar M; Fønnebø, Vinjar Magne. Bone mineral density measures in longitudinal studies: The choice of phantom is crucial fo quality assesment. The Tromsø study, a population-based study. Osteoporosis International 2005; Volum 16. ISSN 0937-941X.s 1597 - 1603.

  • Emaus, Nina; Berntsen, Gro; Joakimsen, Ragnar M; Fønnebø, Vinjar Magne. Longitudinal changes in forearm bone mineral density in women and men aged 25-44 years. American Journal of Epidemiology 2005; Volum 162. ISSN 0002-9262.s 633 - 43.

  • Svartberg, Johan; Midtby, Monica; Bønaa, Kaare; Sundsfjord, Johan A; Joakimsen, Ragnar M; Jorde, Rolf. The associations of age, life-style factors and chronic disease with testosterone in men. European Journal of Endocrinology 2003; Volum 149. ISSN 0804-4643.s 145 - 52.

  • Kamycheva, E; Joakimsen, Ragnar M; Jorde, Rolf. Intake of calcium and vitamin D predict body mass index in the population of Northern Norway. Journal of Nutrition 2003; Volum 133. ISSN 0022-3166.s 102 - 6.

  • Midtby, M; Magnus, J.H.; Joakimsen, Ragnar Martin. The Tromsø Study: A Population-Based Study on the Variation in Bone Formation Markers with Age, Gender, Anthropometry and Season in both Men and Women. Osteoporosis International 2001; Volum 12. ISSN 0937-941X.s 835 - 843.

  • Joakimsen, R.M.; Fønnebø, Vinjar; Søgaard, Anne Johanne; Tollan, Arne; Størmer, J.; Magnus, J.H.. The Tromsø Study: Registration of fractures, how good are self-reports, a computerized radiographic register and a discharge register?. Osteoporosis International 2001; Volum 12. ISSN 0937-941X.s 1001 - 1005.

  • Berntsen, Gro Karine Rosvold; Fønnebø, Vinjar; Tollan, Anne; Søgaard, Anne-Johanne; Joakimsen, Ragnar Martin; Magnus, Jeanette H.. The Tromsø Study: Determinants of precision in bone densitometry. Journal of Clinical Epidemiology 2000. ISSN 0895-4356.s 1104 - 1112.

  • Joakimsen, Ragnar Martin; Fønnebø, Vinjar; Magnus, Jeanette H.; Størmer, Jan; Tollan, Anne; Søgaard, Anne-Johanne. The Tromsø Study: Physical Activity and the Incidence of Fractures in a Middle-Aged Population. Journal of Bone and Mineral Research 1998; Volum 13 (7). ISSN 0884-0431.

  • Bradway, Meghan; Giordanengo, Alain; Grøttland, Astrid; Joakimsen, Ragnar Martin; Hartvigsen, Gunnar; Årsand, Eirik. Stepwise treatment concept proposed for an m-health enabled diabetes intervention. Diabetes Technology & Therapeutics 2018; Volum 20. ISSN 1520-9156.s A111 - A112.

  • Andreasen, Camilla; G. Rogli, Veronica; Elvenes, Jan; Joakimsen, Ragnar Martin; Borgen, Tove Tveitan; Solberg, Lene Bergendal; Frihagen, Frede Jon; Nordsletten, Lars; Eriksen, Erik Fink; Basso, Trude; Dahl, Cecilie; Omsland, Tone Kristin; Bjørnerem, Åshild. Tromsoporosis - Secondary Fracture Prevention Program resulted in improved adherence to anti-osteoporotic drugs in Tromsø, Norway. ECTS 2018 2018-05-26 - 2018-05-29 2018.

  • Andreasen, Camilla; G. Rogli, Veronica; Elvenes, Jan; Joakimsen, Ragnar Martin; Borgen, Tove Tveitan; Solberg, Lene Bergendal; Frihagen, Frede Jon; Nordsletten, Lars; Basso, Trude; Eriksen, Erik Fink; Dahl, Cecilie; Omsland, Tone Kristin; Bjørnerem, Åshild. Tromsoporosis - Secondary Fracture Prevention Program resulted in high adherence to anti-osteoporotic drugs in Tromsø, Norway. The World Congress on Osteoporosis, Osteoarthritis and Musculoskeletal Diseases 2018-04-19 - 2018-04-22 2018.

  • Andreasen, Camilla; G. Rogli, Veronica; Elvenes, Jan; Joakimsen, Ragnar Martin; Borgen, Tove Tveitan; Solberg, Lene Bergendal; Frihagen, Frede Jon; Nordsletten, Lars; Eriksen, Erik Fink; Basso, Trude; Dahl, Cecilie; Omsland, Tone Kristin; Bjørnerem, Åshild. Tromsoporosis - Secondary Fracture Prevention Program resulted in high adherence to anti-osteoporotic drugs in Tromsø, Norway. Fragility Fracture Network 2018-07-05 - 2018-07-07 2018.

  • Bradway, Meghan; Giordanengo, Alain; Grøttland, Astrid; Joakimsen, Ragnar Martin; Hartvigsen, Gunnar; Årsand, Eirik. Stepwise treatment concept proposed for an m-health enabled diabetes intervention. Advanced Technologies & Treatments for Diabetes Conference 2018 2018-02-14 - 2018-02-17 2018.

  • Andreasen, Camilla; Osima, Marit; Rognli, Veronica; Grundel, Dag E.; Elvenes, Jan; Knutsen, Gunnar; Meknas, Khaled; Joakimsen, Ragnar Martin; Borgen, Tove Tveitan; Solberg, Lene Bergendal; Frihagen, Frede Jon; Nordsletten, Lars; Eriksen, Erik Fink; Basso, Trude; Dahl, Cecilie; Omsland, Tone Kristin; Bjørnerem, Åshild. Tromsoporosis - Adherence to a Secondary Fracture Prevention Program in Tromsø, Norway. ASBMR 2017-09-08 - 2017-09-11 2017.

  • Osima, Marit; Borgen, Tove Tveitan; Lukic, Marko; Grimnes, Guri; Joakimsen, Ragnar Martin; Eriksen, Erik Fink; Bjørnerem, Åshild. Serum parathyroid hormone is associated with increased cortical porosity of the inner transitional zone at the proximal femur in postmenopausal women: The Tromsø Study. ASBMR 2017 2017-09-09 - 2017-09-12 2017.

  • Bradway, Meghan; Holubova, Anna; Joakimsen, Ragnar Martin; Årsand, Eirik. DIFFERENTIATING PRESENTATION OF PATIENT-GATHERED DATA BETWEEN TYPE 1 AND 2 DIABETES DURING CONSULTATIONS. 10th International Conference on Advanced Technologies & Treatments for Diabetes (sammendrag) 2017-02-15 - 2017-02-18 2017.

  • Bradway, Meghan; Holubová, Anna; Joakimsen, Ragnar Martin; Årsand, Eirik. DIFFERENTIATING PRESENTATION OF PATIENT-GATHERED DATA BETWEEN TYPE 1 AND 2 DIABETES DURING CONSULTATIONS. Diabetes Technology & Therapeutics 2017; Volum 19 (S1). ISSN 1520-9156.s A-42 - A-42.s doi: 10.1089/dia.2017.2525.abstracts.

  • Osima, Marit; Kral, Rita; Joakimsen, Ragnar Martin; Eriksen, Erik Fink; Bjørnerem, Åshild. Women with Type 2 Diabetes Have Lower Cortical Porosity than Women without Diabetes, and Higher Glucose is Associated with Reduced Cortical Porosity. ASBMR 2016 2016-09-16 - 2016-09-19 2016.

  • Martinaityte, Ieva; Jorde, Rolf; Schirmer, Henrik; Mathiesen, Ellisiv B.; Njølstad, Inger; Løchen, Maja-Lisa; Wilsgaard, Tom; Joakimsen, Ragnar Martin; Kamycheva, Elena. Correction: Genetic Variations in the Vitamin D Receptor Predict Type 2 Diabetes and Myocardial Infarction in a Community-Based Population: The Tromsø Study. PLOS ONE 2016. ISSN 1932-6203.s doi: 10.1371/journal.pone.0163573.

  • Bradway, Meghan; Joakimsen, Ragnar Martin; Grøttland, Astrid; Årsand, Eirik. The potential use of patient-gathered data from mHealth tools: suggestions based on an RCT-study. European Telemedicine Conference 2016 2016-11-15 - 2016-11-16 2016.

  • Bradway, Meghan; Grøttland, Astrid; Hartvigsen, Gunnar; Blixgård, Håvard Kvalvåg; Joakimsen, Ragnar Martin; Årsand, Eirik. mHealth data-sharing system to improve communication during consultations: Type 1 diabetes patients’ perspective during the FI-STAR study. European Telemedicine Conference 2016 2016-11-15 - 2016-11-16 2016.

  • Bradway, Meghan; Joakimsen, Ragnar Martin; Grøttland, Astrid; Årsand, Eirik. The potential use of patient-gathered data from mHealth tools: suggestions based on an RCT-study. International Journal of Integrated Care 2016. ISSN 1568-4156.s doi: 10.5334/ijic.2552.

  • Bradway, Meghan; Grøttland, Astrid; Hartvigsen, Gunnar; Blixgård, Håvard Kvalvåg; Joakimsen, Ragnar Martin; Årsand, Eirik. mHealth data-sharing system to improve communication during consultations: Type 1 diabetes patients’ perspective during the FI-STAR study. International Journal of Integrated Care 2016; Volum 16 (5). ISSN 1568-4156.s doi: 10.5334/ijic.2551.

  • Osima, Marit; Knutsen, Gunnar; Elvenes, Jan; Joakimsen, Ragnar Martin; Bjørnerem, Åshild. Eldre med beinbrudd skal få spesialhjelp (NoFRACT).. Avisomtale etter presentasjon av prosjektet ved ortopedisk avdeling, UNN, Tromsø 2015-11-02 - 2015-11-02 2015.

  • Osima, Marit; Knutsen, Gunnar; Elvenes, Jan; Joakimsen, Ragnar Martin; Bjørnerem, Åshild. Et nasjonalt løft for bruddpasienter!. Nyheter, nettsida, UiT Norges arktiske universitet 2015-11-02 - 2015-11-02 2015.

  • Osima, Marit; Knutsen, Gunnar; Elvenes, Jan; Joakimsen, Ragnar Martin; Bjørnerem, Åshild. Skal avdekke benskjørhet hos eldre.. Faglig innlegg ved ortopedisk avdeling UNN presentert i Pingvinavisa 2015-11-02 - 2015-11-02 2015.

  • Osima, Marit; Joakimsen, Ragnar Martin; Eriksen, Erik Fink; Bjørnerem, Åshild. Why Are Additional Women with Fracture Identified by Measurement of Cortical Porosity than Identified by FRAX?. Annual Meeting The American Society for Bone and Mineral Research 2015-10-09 - 2015-10-12 2015.

  • Osima, Marit; Joakimsen, Ragnar Martin; Eriksen, Erik Fink; Bjørnerem, Åshild. Combining measurement of cortical porosity at the proximal femur with FRAX improves the sensitivity and maintains high specificity for fracture. World Congresss of Osteoporosis, Osteoarthritis and musculoskeletal diseases 2015-04-25 - 2015-04-28 2015.

  • Skrøvseth, Stein Olav; Årsand, Eirik; Andersson, Niklas; Hallgren, Daniel; Blixgård, Håvard Kvalvåg; Varmedal, Ragnhild; Joakimsen, Ragnar Martin. Utilizing data gathered through mobile apps for self-management of type 1 diabetes. Advanced Technologies and Treatments for Diabetes 2014-02-05 - 2014-02-08 2014.

  • Årsand, Eirik; Skrøvseth, Stein Olav; Joakimsen, Ragnar Martin; Hartvigsen, Gunnar. Design of an Advanced Mobile Diabetes Diary Based on a Prospective 6-month Study Involving People with Type 1 Diabetes. ATTD 2013 2013-02-27 - 2013-03-02 2013.

  • Skrøvseth, Stein Olav; Årsand, Eirik; Joakimsen, Ragnar Martin; Hartvigsen, Gunnar. Utilization of self-gathered patient data in a mobile-phone-based feedback system for patients with type 1 diabetes. (fulltekst) Diabetes Technology & Therapeutics 2013; Volum 15. ISSN 1520-9156.s A22 - A23.s doi: 0.1089/dia.2012.1221.

  • Årsand, Eirik; Skrøvseth, Stein Olav; Joakimsen, Ragnar Martin; Hartvigsen, Gunnar. Design of an advanced mobile diabetes diary based on a prospective 6-month study involving people with type 1 diabetes. (sammendrag) Diabetes Technology & Therapeutics 2013; Volum 15 (Supp. 1). ISSN 1520-9156.s A99 - A100.

  • Årsand, Eirik; Skrøvseth, Stein Olav; Joakimsen, Ragnar Martin; Hartvigsen, Gunnar. Effects and Feedback from 30 Individuals with Type 1 Diabetes, Using a Mobile Diabetes Diary: The Few Touch Application. The 5th International Conference on Advanced Technologies & Treatments for Diabetes (ATTD 2012) 2012-02-08 - 2012-02-12 2012.

  • Ahmed, Luai A.; Nguyen, Nguyen D.; Bjørnerem, Åshild; Joakimsen, Ragnar Martin; Jørgensen, Lone; Bluic, Dana; Center, Jacqueline; Eisman, John; Nguyen, Tuan V.; Emaus, Nina. External validation of the Garvan nomograms for predicting absolute fracture risk: the Tromsø Study. Journal of Bone and Mineral Research 2011; Volum 26. ISSN 0884-0431.

  • Ahmed, Luai A.; Nguyen, Nguyen D.; Bjørnerem, Åshild; Joakimsen, Ragnar Martin; Jørgensen, Lone; Bluic, Dana; Center, Jacqueline; Eisman, John; Nguyen, Tuan V.; Emaus, Nina. External validation of the Garvan nomograms for predicting absolute fracture risk: the Tromsø Study. The ASBMR 2011 Annual Meeting 2011-09-16 - 2011-09-20 2011.

  • Bjørnerem, Åshild; Ahmed, Luai A.; Jørgensen, Lone; Joakimsen, Ragnar M. Parity, breastfeeding and non-vertebral fractures in the Tromso Study. Bone 2011; Volum 48. ISSN 8756-3282.s S188 - S188.s doi: 10.1016/j.bone.2011.03.440.

  • Grimnes, Guri; Joakimsen, Ragnar M; Figenschau, Yngve; Torjesen, Peter A; Almås, Bjørg; Jorde, Rolf. Effect of one year treatment with high dose vitamin d-3 on bone mineral density and bone turnover in postmenopausal women with low bone mass-results from a randomized controlled trial. Osteoporosis International 2011; Volum 22. ISSN 0937-941X.s 218 - 219.

  • Årsand, Eirik; Skrøvseth, Stein Olav; Tufano, J. T.; Hartvigsen, Gunnar; Joakimsen, Ragnar M. Mobile Diabetes Self-Management Tools –What’s the Role of Clinicians?. 4th International Conference On Advanced Technologies & Treatments For Diabetes (ATTD 2011) 2011-02-16 - 2011-02-19 2011.

  • Omsland, Tone Kristin; Ahmed, Luai A.; Grønskag, Anna Brenne; Schei, Berit; Emaus, Nina; Langhammer, Arnulf; Joakimsen, Ragnar M; Jørgensen, Lone; Søgaard, Anne Johanne; Gjesdal, Clara Gram; Meyer, Haakon E. Urban-rural differences in forearm fractures in postmenopausal women - the norepos study. Osteoporosis International 2010; Volum 21. ISSN 0937-941X.s 258 - 259.

  • Jørgensen, Lone; Skjelbakken, Tove; Løchen, Maja-Lisa; Ahmed, Luai A.; Bjørnerem, Åshild; Joakimsen, Ragnar M; Jacobsen, Bjarne K.. Anemia and the risk of non-vertebral fractures. Bone 2010; Volum 46. ISSN 8756-3282.s S72 - S72.s doi: 10.1016/j.bone.2010.01.176.

  • Emaus, Nina; Wilsgaard, Tom; Ahmed, Luai; Grimnes, Guri; Joakimsen, Ragnar M; Omsland, TK; Berntsen, Gro. Lifestyle impact on lifetime bone loss in women and men. The Tromso Study. Bone 2009; Volum 44. ISSN 8756-3282.s S38 - S38.s doi: 10.1016/j.bone.2009.01.098.

  • Ahmed, Luai; Schirmer, Henrik; Berntsen, Gro; Fønnebø, Vinjar; Joakimsen, Ragnar M. Self-reported diseases and the risk of non-vertebral fractures: the Tromsø study. Osteoporosis International 2009; Volum 20. ISSN 0937-941X.s 837 - .s doi: 10.1007/s00198-009-0846-9.

  • Ahmed, Luai; Schirmer, Henrik; Berntsen, Gro; Fønnebø, Vinjar; Joakimsen, Ragnar M. Features of the metabolic syndrome and the risk of non-vertebral fractures: The Tromsø Study. Osteoporosis International 2009; Volum 20. ISSN 0937-941X.s 839 - .s doi: 10.1007/s00198-009-0847-8.

  • Jørgensen, Lone; Jenssen, Trond Geir; Ahmed, Luai; Bjørnerem, Åshild; Joakimsen, Ragnar M; Jacobsen, Bjarne K.. Correction. Archives of Internal Medicine 2009; Volum 169. ISSN 0003-9926.s 707 - 707.

  • Ahmed, Luai; Joakimsen, Ragnar M; Berntsen, Gro k; Fønnebø, Vinjar; Schirmer, Henrik. Diabetes mellitus and the risk of non-vertebral fractures: the Tromsø Study. Osteoporosis International 2009; Volum 20. ISSN 0937-941X.s 841 - .s doi: 10.1007/s00198-009-0848-7.

  • Jørgensen, Lone; Joakimsen, Oddmund; Mathiesen, Ellisiv B.; Ahmed, Luai; Berntsen, Gro; Fønnebø, Vinjar; Joakimsen, Ragnar M; Njølstad, Inger; Schirmer, Henrik; Jacobsen, Bjarne K.. Carotid Plaque Echogenicity and Risk of Nonvertebral Fractures in Women: A Longitudinal Population-Based Study (vol 79, pg 207, 2006). Calcified Tissue International 2009; Volum 85. ISSN 0171-967X.s 84 - 84.s doi: 10.1007/s00223-009-9267-1.

  • Ahmed, Luai; Joakimsen, Ragnar M; Schirmer, Henrik; Berntsen, Gro; Fønnebø, Vinjar Magne; Størmer, J. Is the risk of non-vertebral fracture associated with type I diabetes gender specific?. Osteoporosis International 2004; Volum 15. ISSN 0937-941X.s S48 - S48.

  • Ahmed, Luai; Joakimsen, Ragnar M; Berntsen, Gro; Fønnebø, Vinjar Magne. Diabetes mellitus and the risk of non-vertebral fractures. Journal of Bone and Mineral Research 2004; Volum 18. ISSN 0884-0431.s S245 - S245.

  • Søgaard, Anne Johanne; Joakimsen, R.M.; Fønnebø, Vinjar; Tverdal, A.; Berntsen, Gro K.R.; Magnus, J.H.. The Tromsø Study: Mental distress and non-vertebral fractures. Oral presentation. 2nd Nordic Conference in Epidemiology 2002-06-01 - 2002.

  • Søgaard, Anne Johanne; Joakimsen, R.M.; Fønnebø, Vinjar; Tverdal, A.; Magnus, J.H.. Tromsø-undersøkelsen: Kan psykiske plager øke risikoen for brudd?. Den niende norske Epidemiologikonferanen 2001-11-22 - 2001.

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