John-Anker Zwart
Position: Professor
Phone: +47 22 11 77 51
Email:
 

Author network for John-Anker Zwart by COREMINE medical


Publications 2017

Børte S, Winsvold BS, Stensland SØ, Småstuen MC, Zwart JA (2017)
The effect of foetal growth restriction on the development of migraine and tension-type headache in adulthood. The HUNT Study
PLoS One, 12 (4), e0175908
PubMed 28410431

Fjeld O, Grotle M, Siewers V, Pedersen LM, Nilsen KB, Zwart JA (2017)
Prognostic Factors for Persistent Leg-Pain in Patients Hospitalized With Acute Sciatica
Spine (Phila Pa 1976), 42 (5), E272-E279
PubMed 28244968

Guddal MH, Stensland SØ, Småstuen MC, Johnsen MB, Zwart JA, Storheim K (2017)
Physical Activity Level and Sport Participation in Relation to Musculoskeletal Pain in a Population-Based Study of Adolescents: The Young-HUNT Study
Orthop J Sports Med, 5 (1), 2325967116685543
PubMed 28203603

Hagen K, Åsvold BO, Midthjell K, Stovner LJ, Zwart JA, Linde M (2017)
Inverse relationship between type 1 diabetes mellitus and migraine. Data from the Nord-Trøndelag Health Surveys 1995-1997 and 2006-2008
Cephalalgia, 333102417690488 (in press)
PubMed 28114807

Heuch I, Heuch I, Hagen K, Zwart JA (2017)
Physical activity level at work and risk of chronic low back pain: A follow-up in the Nord-Trøndelag Health Study
PLoS One, 12 (4), e0175086
PubMed 28394896

Johnsen MB, Vie GÅ, Winsvold BS, Bjørngaard JH, Åsvold BO, Gabrielsen ME, Pedersen LM, Hellevik AI, Langhammer A, Furnes O, Flugsrud GB, Skorpen F, Romundstad PR, Storheim K, Nordsletten L, Zwart JA (2017)
The causal role of smoking on the risk of hip or knee replacement due to primary osteoarthritis: a Mendelian randomisation analysis of the HUNT study
Osteoarthritis Cartilage (in press)
PubMed 28049019

Lønne G, Schoenfeld AJ, Cha TD, Nygaard ØP, Zwart JA, Solberg T (2017)
Variation in selection criteria and approaches to surgery for Lumbar Spinal Stenosis among patients treated in Boston and Norway
Clin Neurol Neurosurg, 156, 77-82 (in press)
PubMed 28359979

Winsvold BS, Palta P, Eising E, Page CM, International Headache Genetics Consortium, van den Maagdenberg AM, Palotie A, Zwart JA (2017)
Epigenetic DNA methylation changes associated with headache chronification: A retrospective case-control study
Cephalalgia, 333102417690111 (in press)
PubMed 28103696

Publications 2016

Eising E, Huisman SM, Mahfouz A, Vijfhuizen LS, Anttila V, Winsvold BS, Kurth T, Ikram MA, Freilinger T, Kaprio J, Boomsma DI, van Duijn CM, Järvelin MR, Zwart JA, Quaye L, Strachan DP, Kubisch C, Dichgans M, Davey Smith G, Stefansson K, Palotie A, Chasman DI, Ferrari MD, Terwindt GM, de Vries B et al. (2016)
Gene co-expression analysis identifies brain regions and cell types involved in migraine pathophysiology: a GWAS-based study using the Allen Human Brain Atlas
Hum Genet, 135 (4), 425-39
PubMed 26899160

Gormley P, Anttila V, Winsvold BS, Palta P, Esko T, Pers TH, Farh KH, Cuenca-Leon E, Muona M, Furlotte NA, Kurth T, Ingason A, McMahon G, Ligthart L, Terwindt GM, Kallela M, Freilinger TM, Ran C, Gordon SG, Stam AH, Steinberg S, Borck G, Koiranen M, Quaye L, Adams HH et al. (2016)
Corrigendum: Meta-analysis of 375,000 individuals identifies 38 susceptibility loci for migraine
Nat Genet, 48 (10), 1296
PubMed 27681292

Gormley P, Anttila V, Winsvold BS, Palta P, Esko T, Pers TH, Farh KH, Cuenca-Leon E, Muona M, Furlotte NA, Kurth T, Ingason A, McMahon G, Ligthart L, Terwindt GM, Kallela M, Freilinger TM, Ran C, Gordon SG, Stam AH, Steinberg S, Borck G, Koiranen M, Quaye L, Adams HH et al. (2016)
Meta-analysis of 375,000 individuals identifies 38 susceptibility loci for migraine
Nat Genet, 48 (8), 856-66
PubMed 27322543

Heuch I, Heuch I, Hagen K, Zwart JA (2016)
Is there a U-shaped relationship between physical activity in leisure time and risk of chronic low back pain? A follow-up in the HUNT Study
BMC Public Health, 16, 306
PubMed 27068452

Johnsen MB, Guddal MH, Småstuen MC, Moksnes H, Engebretsen L, Storheim K, Zwart JA (2016)
Sport Participation and the Risk of Anterior Cruciate Ligament Reconstruction in Adolescents: A Population-based Prospective Cohort Study (The Young-HUNT Study)
Am J Sports Med, 44 (11), 2917-2924
PubMed 27159313

Johnsen MB, Hellevik AI, Baste V, Furnes O, Langhammer A, Flugsrud G, Nordsletten L, Zwart JA, Storheim K (2016)
Leisure time physical activity and the risk of hip or knee replacement due to primary osteoarthritis: a population based cohort study (The HUNT Study)
BMC Musculoskelet Disord, 17, 86
PubMed 26879518

Sundseth J, Fredriksli OA, Kolstad F, Johnsen LG, Pripp AH, Andresen H, Myrseth E, Müller K, Nygaard ØP, Zwart JA, NORCAT study group (2016)
The Norwegian Cervical Arthroplasty Trial (NORCAT): 2-year clinical outcome after single-level cervical arthroplasty versus fusion-a prospective, single-blinded, randomized, controlled multicenter study
Eur Spine J, 26 (4), 1225-1235
PubMed 28012081

Sundseth J, Jacobsen EA, Kolstad F, Sletteberg RO, Nygaard OP, Johnsen LG, Pripp AH, Andresen H, Fredriksli OA, Myrseth E, Zwart JA (2016)
Heterotopic ossification and clinical outcome in nonconstrained cervical arthroplasty 2 years after surgery: the Norwegian Cervical Arthroplasty Trial (NORCAT)
Eur Spine J, 25 (7), 2271-8
PubMed 27061727

Wiedmann MK, Brunborg C, Di Ieva A, Lindemann K, Johannesen TB, Vatten L, Helseth E, Zwart JA (2016)
The impact of body mass index and height on the risk for glioblastoma and other glioma subgroups: a large prospective cohort study
Neuro Oncol (in press)
PubMed 28040713

Åsberg AN, Stovner LJ, Zwart JA, Winsvold BS, Heuch I, Hagen K (2016)
Chronic musculoskeletal complaints as a predictor of mortality-The HUNT study
Pain, 157 (7), 1443-7
PubMed 26919487

Publications 2015

Blaauw BA, Dyb G, Hagen K, Holmen TL, Linde M, Wentzel-Larsen T, Zwart JA (2015)
The relationship of anxiety, depression and behavioral problems with recurrent headache in late adolescence – a Young-HUNT follow-up study
J Headache Pain, 16, 10
PubMed 25595046

Dyb G, Stensland S, Zwart JA (2015)
Psychiatric comorbidity in childhood and adolescence headache
Curr Pain Headache Rep, 19 (3), 5
PubMed 25754599

Heuch I, Heuch I, Hagen K, Zwart JA (2015)
A Comparison of Anthropometric Measures for Assessing the Association between Body Size and Risk of Chronic Low Back Pain: The HUNT Study
PLoS One, 10 (10), e0141268
PubMed 26506618

Heuch I, Heuch I, Hagen K, Zwart JA (2015)
Association between body height and chronic low back pain: a follow-up in the Nord-Trøndelag Health Study
BMJ Open, 5 (6), e006983
PubMed 26078308

Kvalheim S, Sandvik L, Winsvold B, Hagen K, Zwart JA (2015)
Early menarche and chronic widespread musculoskeletal complaints--Results from the HUNT study
Eur J Pain, 20 (3), 458-64
PubMed 26132558

Laurell K, Artto V, Bendtsen L, Hagen K, Häggström J, Linde M, Söderström L, Tronvik E, Wessman M, Zwart JA, Kallela M (2015)
Premonitory symptoms in migraine: A cross-sectional study in 2714 persons
Cephalalgia, 36 (10), 951-9
PubMed 26643378

Lønne G, Johnsen LG, Rossvoll I, Andresen H, Storheim K, Zwart JA, Nygaard ØP (2015)
Minimally invasive decompression versus x-stop in lumbar spinal stenosis: a randomized controlled multicenter study
Spine (Phila Pa 1976), 40 (2), 77-85
PubMed 25575084

Malik R, Freilinger T, Winsvold BS, Anttila V, Vander Heiden J, Traylor M, de Vries B, Holliday EG, Terwindt GM, Sturm J, Bis JC, Hopewell JC, Ferrari MD, Rannikmae K, Wessman M, Kallela M, Kubisch C, Fornage M, Meschia JF, Lehtimäki T, Sudlow C, Clarke R, Chasman DI, Mitchell BD, Maguire J et al. (2015)
Shared genetic basis for migraine and ischemic stroke: A genome-wide analysis of common variants
Neurology, 84 (21), 2132-45
PubMed 25934857

Srinivasan S, Bettella F, Mattingsdal M, Wang Y, Witoelar A, Schork AJ, Thompson WK, Zuber V, Schizophrenia Working Group of the Psychiatric Genomics Consortium, The International Headache Genetics Consortium, Winsvold BS, Zwart JA, Collier DA, Desikan RS, Melle I, Werge T, Dale AM, Djurovic S, Andreassen OA (2015)
Genetic Markers of Human Evolution Are Enriched in Schizophrenia
Biol Psychiatry, 80 (4), 284-92
PubMed 26681495

Stræte Røttereng AK, Bosnes O, Stordal E, Zwart JA, Linde M, Stovner LJ, Hagen K (2015)
Headache as a predictor for dementia: The HUNT Study
J Headache Pain, 16, 89
PubMed 26471177

Sundseth J, Kolstad F, Johnsen LG, Pripp AH, Nygaard OP, Andresen H, Fredriksli OA, Myrseth E, Züchner M, Zwart JA (2015)
The Neck Disability Index (NDI) and its correlation with quality of life and mental health measures among patients with single-level cervical disc disease scheduled for surgery
Acta Neurochir (Wien), 157 (10), 1807-12
PubMed 26289971

Wiedmann M, Brunborg C, Lindemann K, Johannesen TB, Vatten L, Helseth E, Zwart JA (2015)
Smoking, obesity and the risk of pituitary adenoma: a large prospective cohort study (The HUNT Study)
Eur J Epidemiol, 31 (1), 95-8
PubMed 25903163

Winsvold BS, Nelson CP, Malik R, Gormley P, Anttila V, Vander Heiden J, Elliott KS, Jacobsen LM, Palta P, Amin N, de Vries B, Hämäläinen E, Freilinger T, Ikram MA, Kessler T, Koiranen M, Ligthart L, McMahon G, Pedersen LM, Willenborg C, Won HH, Olesen J, Artto V, Assimes TL, Blankenberg S et al. (2015)
Genetic analysis for a shared biological basis between migraine and coronary artery disease
Neurol Genet, 1 (1), e10
PubMed 27066539

Zhang J, Geerts C, Hukkelhoven C, Offerhaus P, Zwart J, de Jonge A (2015)
Caesarean section rates in subgroups of women and perinatal outcomes
BJOG, 123 (5), 754-61
PubMed 26216434

Zhao H, Eising E, de Vries B, Vijfhuizen LS, International Headache Genetics Consortium, Anttila V, Winsvold BS, Kurth T, Stefansson H, Kallela M, Malik R, Stam AH, Ikram MA, Ligthart L, Freilinger T, Alexander M, Müller-Myhsok B, Schreiber S, Meitinger T, Aromas A, Eriksson JG, Boomsma DI, van Duijn CM, Zwart JA, Quaye L et al. (2015)
Gene-based pleiotropy across migraine with aura and migraine without aura patient groups
Cephalalgia, 36 (7), 648-57
PubMed 26660531

Åsberg AN, Stovner LJ, Zwart JA, Winsvold BS, Heuch I, Hagen K (2015)
Migraine as a predictor of mortality: The HUNT study
Cephalalgia, 36 (4), 351-7
PubMed 26115666

Publications 2014

Blaauw BA, Dyb G, Hagen K, Holmen TL, Linde M, Wentzel-Larsen T, Zwart JA (2014)
Anxiety, depression and behavioral problems among adolescents with recurrent headache: the Young-HUNT study
J Headache Pain, 15, 38
PubMed 24925252

Fagernæs CF, Heuch I, Zwart JA, Winsvold BS, Linde M, Hagen K (2014)
Blood pressure as a risk factor for headache and migraine: a prospective population-based study
Eur J Neurol, 22 (1), 156-62, e10-1
PubMed 25155744

Grotle M, Solberg T, Storheim K, Lærum E, Zwart JA (2014)
Public and private health service in Norway: a comparison of patient characteristics and surgery criteria for patients with nerve root affections due to discus herniation
Eur Spine J, 23 (9), 1984-91
PubMed 24898309

Heuch I, Heuch I, Hagen K, Zwart JA (2014)
Do abnormal serum lipid levels increase the risk of chronic low back pain? The Nord-Trøndelag Health Study
PLoS One, 9 (9), e108227
PubMed 25233233

Louter MA, Fernandez-Morales J, de Vries B, Winsvold B, Anttila V, Fernandez-Cadenas I, Vila-Pueyo M, Sintas C, van Duijn CM, Cormand B, Álvarez-Sabin J, Montaner J, Ferrari MD, van den Maagdenberg A, Palotie A, Zwart JA, Macaya A, Terwindt GM, Pozo-Rosich P (2014)
Candidate-gene association study searching for genetic factors involved in migraine chronification
Cephalalgia, 35 (6), 500-7
PubMed 25169732

Nyholt DR, International Headache Genetics Consortium, Anttila V, Winsvold BS, Kurth T, Stefansson H, Kallela M, Malik R, Vries Bd, Terwindt GM, Ikram MA, Stam AH, Ligthart L, Freilinger T, Alexander M, Muller-Myhsok B, Schreiber S, Meitinger T, Aromaa A, Eriksson JG, Kaprio J, Boomsma DI, Duijn Cv, Raitakari O, Järvelin MR et al. (2014)
Concordance of genetic risk across migraine subgroups: Impact on current and future genetic association studies
Cephalalgia, 35 (6), 489-99
PubMed 25179292

Stensland SO, Thoresen S, Wentzel-Larsen T, Zwart JA, Dyb G (2014)
Recurrent headache and interpersonal violence in adolescence: the roles of psychological distress, loneliness and family cohesion: the HUNT study
J Headache Pain, 15, 35
PubMed 24912800

Storheim K, Zwart JA (2014)
Musculoskeletal disorders and the Global Burden of Disease study
Ann Rheum Dis, 73 (6), 949-50
PubMed 24790065

Tronvik E, Sørensen T, Linde M, Bendtsen L, Artto V, Laurell K, Kallela M, Zwart JA, Hagen K (2014)
The relationship between headache and religious attendance (the Nord-Trøndelag health study-HUNT)
J Headache Pain, 15, 1
PubMed 24386923

Publications 2013

Anttila V, Winsvold BS, Gormley P, Kurth T, Bettella F, McMahon G, Kallela M, Malik R, de Vries B, Terwindt G, Medland SE, Todt U, McArdle WL, Quaye L, Koiranen M, Ikram MA, Lehtimäki T, Stam AH, Ligthart L, Wedenoja J, Dunham I, Neale BM, Palta P, Hamalainen E, Schürks M et al. (2013)
Genome-wide meta-analysis identifies new susceptibility loci for migraine
Nat Genet, 45 (8), 912-7
PubMed 23793025

Hagen K, Stordal E, Linde M, Steiner TJ, Zwart JA, Stovner LJ (2013)
Headache as a risk factor for dementia: a prospective population-based study
Cephalalgia, 34 (5), 327-35
PubMed 24265286

Heuch I, Heuch I, Hagen K, Zwart JA (2013)
Body mass index as a risk factor for developing chronic low back pain: a follow-up in the Nord-Trøndelag Health Study
Spine (Phila Pa 1976), 38 (2), 133-9
PubMed 22718225

Heuch I, Heuch I, Hagen K, Zwart JA (2013)
Does high blood pressure reduce the risk of chronic low back pain? The Nord-Trøndelag Health Study
Eur J Pain, 18 (4), 590-8
PubMed 24019262

Jacobsen LM, Winsvold BS, Romundstad S, Pripp AH, Holmen J, Zwart JA (2013)
Urinary albumin excretion as a marker of endothelial dysfunction in migraine sufferers: the HUNT study, Norway
BMJ Open, 3 (8)
PubMed 23943777

Kvalheim S, Sandven I, Hagen K, Zwart JA (2013)
Smoking as a risk factor for chronic musculoskeletal complaints is influenced by age. The HUNT study
Pain, 154 (7), 1073-9
PubMed 23623251

Stensland SØ, Dyb G, Thoresen S, Wentzel-Larsen T, Zwart JA (2013)
Potentially traumatic interpersonal events, psychological distress and recurrent headache in a population-based cohort of adolescents: the HUNT study
BMJ Open, 3 (7)
PubMed 23901028

Sundseth J, Jacobsen EA, Kolstad F, Nygaard OP, Zwart JA, Hol PK (2013)
Magnetic resonance imaging evaluation after implantation of a titanium cervical disc prosthesis: a comparison of 1.5 and 3 Tesla magnet strength
Eur Spine J, 22 (10), 2296-302
PubMed 24061966

Tronvik E, Wienecke T, Monstad I, Dahløf C, Bøe MG, Tjensvoll AB, Salvesen R, Zwart JA, Jansson SO, Stovner LJ (2013)
Randomised trial on episodic cluster headache with an angiotensin II receptor blocker
Cephalalgia, 33 (12), 1026-34
PubMed 23598371

Wiedmann M, Brunborg C, Lindemann K, Johannesen TB, Vatten L, Helseth E, Zwart JA (2013)
Body mass index and the risk of meningioma, glioma and schwannoma in a large prospective cohort study (The HUNT Study)
Br J Cancer, 109 (1), 289-94
PubMed 23778522

Winsvold BS, Sandven I, Hagen K, Linde M, Midthjell K, Zwart JA (2013)
Migraine, headache and development of metabolic syndrome: an 11-year follow-up in the Nord-Trøndelag Health Study (HUNT)
Pain, 154 (8), 1305-11
PubMed 23726372

Ødegård SS, Sand T, Engstrøm M, Zwart JA, Hagen K (2013)
The impact of headache and chronic musculoskeletal complaints on the risk of insomnia: longitudinal data from the Nord-Trøndelag health study
J Headache Pain, 14, 24
PubMed 23566158

Publications 2012

Boraska V, Day-Williams A, Franklin CS, Elliott KS, Panoutsopoulou K, Tachmazidou I, Albrecht E, Bandinelli S, Beilin LJ, Bochud M, Cadby G, Ernst F, Evans DM, Hayward C, Hicks AA, Huffman J, Huth C, James AL, Klopp N, Kolcic I, Kutalik Z, Lawlor DA, Musk AW, Pehlic M, Pennell CE et al. (2012)
Genome-wide association study to identify common variants associated with brachial circumference: a meta-analysis of 14 cohorts
PLoS One, 7 (3), e31369
PubMed 22479309

Freilinger T, Anttila V, de Vries B, Malik R, Kallela M, Terwindt GM, Pozo-Rosich P, Winsvold B, Nyholt DR, van Oosterhout WP, Artto V, Todt U, Hämäläinen E, Fernández-Morales J, Louter MA, Kaunisto MA, Schoenen J, Raitakari O, Lehtimäki T, Vila-Pueyo M, Göbel H, Wichmann E, Sintas C, Uitterlinden AG, Hofman A et al. (2012)
Genome-wide association analysis identifies susceptibility loci for migraine without aura
Nat Genet, 44 (7), 777-82
PubMed 22683712

Hagen K, Linde M, Steiner TJ, Zwart JA, Stovner LJ (2012)
The bidirectional relationship between headache and chronic musculoskeletal complaints: an 11-year follow-up in the Nord-Trøndelag Health Study (HUNT)
Eur J Neurol, 19 (11), 1447-54
PubMed 22519547

Johnson M, Brennecke S, Iversen AC, East C, Olsen G, Kent J, Dyer T, Said J, Roten L, Abraham L, Zwart JA, Winsvold B, Håberg A, Huentelman M, Krokan H, Gabrielsen M, Austgulen R, Blangero J, Moses E (2012)
OS046. Genome-wide association scans identify novel maternalsusceptibility loci for preeclampsia
Pregnancy Hypertens, 2 (3), 202
PubMed 26105260

Publications 2011

Aegidius KL, Zwart JA, Hagen K, Dyb G, Holmen TL, Stovner LJ (2011)
Increased headache prevalence in female adolescents and adult women with early menarche. The Head-HUNT Studies
Eur J Neurol, 18 (2), 321-8
PubMed 20636369

Hagen K, Albretsen C, Vilming ST, Salvesen R, Grønning M, Helde G, Gravdahl G, Zwart JA, Stovner LJ (2011)
A 4-year follow-up of patients with medication-overuse headache previously included in a randomized multicentre study
J Headache Pain, 12 (3), 315-22
PubMed 21207237

Hagen K, Linde M, Heuch I, Stovner LJ, Zwart JA (2011)
Increasing prevalence of chronic musculoskeletal complaints. A large 11-year follow-up in the general population (HUNT 2 and 3)
Pain Med, 12 (11), 1657-66
PubMed 21939496

Hagen K, Linde M, Steiner TJ, Stovner LJ, Zwart JA (2011)
Risk factors for medication-overuse headache: an 11-year follow-up study. The Nord-Trøndelag Health Studies
Pain, 153 (1), 56-61
PubMed 22018971

Hoftun GB, Romundstad PR, Zwart JA, Rygg M (2011)
Chronic idiopathic pain in adolescence--high prevalence and disability: the young HUNT Study 2008
Pain, 152 (10), 2259-66
PubMed 21683528

Laurell K, Artto V, Bendtsen L, Hagen K, Kallela M, Meyer EL, Putaala J, Tronvik E, Zwart JA, Linde M (2011)
Migrainous infarction: a Nordic multicenter study
Eur J Neurol, 18 (10), 1220-6
PubMed 21414105

Myran R, Hagen K, Svebak S, Nygaard O, Zwart JA (2011)
Headache and musculoskeletal complaints among subjects with self reported whiplash injury: the HUNT-2 study
BMC Musculoskelet Disord, 12, 129
PubMed 21651816

Myran R, Zwart JA, Kvistad KA, Folvik M, Lydersen S, Ro M, Woodhouse A, Nygaard OP (2011)
Clinical characteristics, pain, and disability in relation to alar ligament MRI findings
Spine (Phila Pa 1976), 36 (13), E862-7
PubMed 21289550

Odegård SS, Sand T, Engstrøm M, Stovner LJ, Zwart JA, Hagen K (2011)
The long-term effect of insomnia on primary headaches: a prospective population-based cohort study (HUNT-2 and HUNT-3)
Headache, 51 (4), 570-80
PubMed 21457241

Tronvik E, Zwart JA, Hagen K, Dyb G, Holmen TL, Stovner LJ (2011)
Association between blood pressure measures and recurrent headache in adolescents: cross-sectional data from the HUNT-Youth study
J Headache Pain, 12 (3), 347-53
PubMed 21301921

Publications 2010

Anttila V, Stefansson H, Kallela M, Todt U, Terwindt GM, Calafato MS, Nyholt DR, Dimas AS, Freilinger T, Müller-Myhsok B, Artto V, Inouye M, Alakurtti K, Kaunisto MA, Hämäläinen E, de Vries B, Stam AH, Weller CM, Heinze A, Heinze-Kuhn K, Goebel I, Borck G, Göbel H, Steinberg S, Wolf C et al. (2010)
Genome-wide association study of migraine implicates a common susceptibility variant on 8q22.1
Nat Genet, 42 (10), 869-73
PubMed 20802479

Heuch I, Hagen K, Heuch I, Nygaard Ø, Zwart JA (2010)
The impact of body mass index on the prevalence of low back pain: the HUNT study
Spine (Phila Pa 1976), 35 (7), 764-8
PubMed 20228714

Heuch I, Heuch I, Hagen K, Zwart JA (2010)
Associations between serum lipid levels and chronic low back pain
Epidemiology, 21 (6), 837-41
PubMed 20798637

Linde M, Stovner LJ, Zwart JA, Hagen K (2010)
Time trends in the prevalence of headache disorders. The Nord-Trondelag Health Studies (HUNT 2 and HUNT 3)
Cephalalgia, 31 (5), 585-96
PubMed 21123626

Nygaard ØP, Rø M, Andersen TI, Zwart JA (2010)
[Neck pain with and without affection of nerve roots]
Tidsskr Nor Laegeforen, 130 (22), 2252-5
PubMed 21109848

Robberstad L, Dyb G, Hagen K, Stovner LJ, Holmen TL, Zwart JA (2010)
An unfavorable lifestyle and recurrent headaches among adolescents: the HUNT study
Neurology, 75 (8), 712-7
PubMed 20720191

Stovner LJ, Gjerstad L, Gilhus NE, Storstein A, Zwart JA (2010)
Cost of disorders of the brain in Norway
Acta Neurol Scand Suppl (190), 1-5
PubMed 20586727

Winsvold BS, Hagen K, Aamodt AH, Stovner LJ, Holmen J, Zwart JA (2010)
Headache, migraine and cardiovascular risk factors: the HUNT study
Eur J Neurol, 18 (3), 504-11
PubMed 20825470

Ødegård SS, Engstrøm M, Sand T, Stovner LJ, Zwart JA, Hagen K (2010)
Associations between sleep disturbance and primary headaches: the third Nord-Trøndelag Health Study
J Headache Pain, 11 (3), 197-206
PubMed 20224943

Publications 2009

Aegidius K, Zwart JA, Hagen K, Stovner L (2009)
The effect of pregnancy and parity on headache prevalence: the Head-HUNT study
Headache, 49 (6), 851-9
PubMed 19545250

Hagen K, Thoresen K, Stovner LJ, Zwart JA (2009)
High dietary caffeine consumption is associated with a modest increase in headache prevalence: results from the Head-HUNT Study
J Headache Pain, 10 (3), 153-9
PubMed 19308315

Hagen K, Zwart JA, Aamodt AH, Nilsen KB, Bråthen G, Helde G, Stjern M, Tronvik EA, Stovner LJ (2009)
The validity of questionnaire-based diagnoses: the third Nord-Trøndelag Health Study 2006-2008
J Headache Pain, 11 (1), 67-73
PubMed 19946790

Meyer EL, Laurell K, Artto V, Bendtsen L, Linde M, Kallela M, Tronvik E, Zwart JA, Jensen RM, Hagen K (2009)
Lateralization in cluster headache: a Nordic multicenter study
J Headache Pain, 10 (4), 259-63
PubMed 19495933

Publications 2008

Baekken PM, Skorpen F, Stordal E, Zwart JA, Hagen K (2008)
Depression and anxiety in relation to catechol-O-methyltransferase Val158Met genotype in the general population: the Nord-Trøndelag Health Study (HUNT)
BMC Psychiatry, 8, 48
PubMed 18578865

Hagen K, Albretsen C, Vilming ST, Salvesen R, Grønning M, Helde G, Gravdahl G, Zwart JA, Stovner LJ (2008)
Management of medication overuse headache: 1-year randomized multicentre open-label trial
Cephalalgia, 29 (2), 221-32
PubMed 18823363

Hagen K, Stovner LJ, Skorpen F, Pettersen E, Zwart JA (2008)
COMT genotypes and use of antipsychotic medication: linking population-based prescription database to the HUNT study
Pharmacoepidemiol Drug Saf, 17 (4), 372-7
PubMed 18302304

Hagen K, Zwart JA, Aamodt AH, Nilsen KB, Bråthen G, Helde G, Stjern M, Tronvik EA, Stovner LJ (2008)
A face-to-face interview of participants in HUNT 3: the impact of the screening question on headache prevalence
J Headache Pain, 9 (5), 289-94
PubMed 18690490

Hoff OM, Midthjell K, Zwart JA, Hagen K (2008)
The association between diabetes mellitus, glucose, and chronic musculoskeletal complaints. Results from the Nord-Trøndelag Health Study
BMC Musculoskelet Disord, 9, 160
PubMed 19055732

Holth HS, Werpen HK, Zwart JA, Hagen K (2008)
Physical inactivity is associated with chronic musculoskeletal complaints 11 years later: results from the Nord-Trøndelag Health Study
BMC Musculoskelet Disord, 9, 159
PubMed 19046448

Myran R, Kvistad KA, Nygaard OP, Andresen H, Folvik M, Zwart JA (2008)
Magnetic resonance imaging assessment of the alar ligaments in whiplash injuries: a case-control study
Spine (Phila Pa 1976), 33 (18), 2012-6
PubMed 18708935

Tronvik E, Stovner LJ, Hagen K, Holmen J, Zwart JA (2008)
High pulse pressure protects against headache: prospective and cross-sectional data (HUNT study)
Neurology, 70 (16), 1329-36
PubMed 18413586

Varkey E, Hagen K, Zwart JA, Linde M (2008)
Physical activity and headache: results from the Nord-Trøndelag Health Study (HUNT)
Cephalalgia, 28 (12), 1292-7
PubMed 18771495

Aamodt AH, Stovner LJ, Hagen K, Zwart JA (2008)
Comorbidity of headache and gastrointestinal complaints. The Head-HUNT Study
Cephalalgia, 28 (2), 144-51
PubMed 18197884

Publications 2007

Aegidius KL, Zwart JA, Hagen K, Schei B, Stovner LJ (2007)
Hormone replacement therapy and headache prevalence in postmenopausal women. The Head-HUNT study
Eur J Neurol, 14 (1), 73-8
PubMed 17222117

Ertresvg JM, Stovner LJ, Kvavik LE, Johnsen HJ, Zwart JA, Helde G, Bovim G (2007)
Migraine aura or transient ischemic attacks? A five-year follow-up case-control study of women with transient central nervous system disorders in pregnancy
BMC Med, 5, 19
PubMed 17640340

Hagen K, Pettersen E, Stovner LJ, Skorpen F, Holmen J, Zwart JA (2007)
High systolic blood pressure is associated with Val/Val genotype in the catechol-o-methyltransferase gene. The Nord-Trøndelag Health Study (HUNT)
Am J Hypertens, 20 (1), 21-6
PubMed 17198907

Hagen K, Stovner LJ, Skorpen F, Pettersen E, Zwart JA (2007)
The impact of the catechol-O-methyltransferase Val158Met polymorphism on survival in the general population--the HUNT study
BMC Med Genet, 8, 34
PubMed 17577421

Hagen K, Stovner LJ, Zwart JA (2007)
Potentials and pitfalls in analytical headache epidemiological studies--lessons to be learned from the Head-HUNT study
Cephalalgia, 27 (5), 403-13
PubMed 17448178

Stovner Lj, Hagen K, Jensen R, Katsarava Z, Lipton R, Scher A, Steiner T, Zwart JA (2007)
The global burden of headache: a documentation of headache prevalence and disability worldwide
Cephalalgia, 27 (3), 193-210
PubMed 17381554

Aamodt AH, Stovner LJ, Langhammer A, Hagen K, Zwart JA (2007)
Is headache related to asthma, hay fever, and chronic bronchitis? The Head-HUNT Study
Headache, 47 (2), 204-12
PubMed 17300360

Aamodt AH, Stovner LJ, Midthjell K, Hagen K, Zwart JA (2007)
Headache prevalence related to diabetes mellitus. The Head-HUNT study
Eur J Neurol, 14 (7), 738-44
PubMed 17594328

Publications 2006

Aegidius K, Zwart JA, Hagen K, Schei B, Stovner LJ (2006)
Oral contraceptives and increased headache prevalence: the Head-HUNT Study
Neurology, 66 (3), 349-53
PubMed 16476933

Dyb G, Holmen TL, Zwart JA (2006)
Analgesic overuse among adolescents with headache: the Head-HUNT-Youth Study
Neurology, 66 (2), 198-201
PubMed 16434653

Fiane I, Haugland ME, Stovner LJ, Zwart JA, Bovim G, Hagen K (2006)
Sick leave is related to frequencies of migraine and non-migrainous headache--The HUNT Study
Cephalalgia, 26 (8), 960-7
PubMed 16886932

Hagen K, Pettersen E, Stovner LJ, Skorpen F, Zwart JA (2006)
No association between chronic musculoskeletal complaints and Val158Met polymorphism in the Catechol-O-methyltransferase gene. The HUNT study
BMC Musculoskelet Disord, 7, 40
PubMed 16674809

Hagen K, Pettersen E, Stovner LJ, Skorpen F, Zwart JA (2006)
The association between headache and Val158Met polymorphism in the catechol-O-methyltransferase gene: the HUNT Study
J Headache Pain, 7 (2), 70-4
PubMed 16688411

Hagen K, Svebak S, Zwart JA (2006)
Incidence of musculoskeletal complaints in a large adult Norwegian county population. The HUNT Study
Spine (Phila Pa 1976), 31 (18), 2146-50
PubMed 16915104

Oedegaard KJ, Neckelmann D, Mykletun A, Dahl AA, Zwart JA, Hagen K, Fasmer OB (2006)
Migraine with and without aura: association with depression and anxiety disorder in a population-based study. The HUNT Study
Cephalalgia, 26 (1), 1-6
PubMed 16396660

Sand T, Møll-Nilsen B, Zwart JA (2006)
Blink reflex R2 amplitudes in cervicogenic headache, chronic tension-type headache and migraine
Cephalalgia, 26 (10), 1186-91
PubMed 16961784

Stovner LJ, Zwart JA, Hagen K, Terwindt GM, Pascual J (2006)
Epidemiology of headache in Europe
Eur J Neurol, 13 (4), 333-45
PubMed 16643310

Aamodt AH, Stovner LJ, Hagen K, Bråthen G, Zwart J (2006)
Headache prevalence related to smoking and alcohol use. The Head-HUNT Study
Eur J Neurol, 13 (11), 1233-8
PubMed 17038038

Publications 2005

Ertresvåg JM, Zwart JA, Helde G, Johnsen HJ, Bovim G (2005)
Headache and transient focal neurological symptoms during pregnancy, a prospective cohort
Acta Neurol Scand, 111 (4), 233-7
PubMed 15740574

Hagen K, Bjøro T, Zwart JA, Svebak S, Bovim G, Stovner LJ (2005)
Do high TSH values protect against chronic musculoskeletal complaints? The Nord-Trøndelag Health Study (HUNT)
Pain, 113 (3), 416-21
PubMed 15661451

Hagen K, Zwart JA, Holmen J, Svebak S, Bovim G, Stovner LJ, Nord-Trøndelag Health Study (2005)
Does hypertension protect against chronic musculoskeletal complaints? The Nord-Trøndelag Health Study
Arch Intern Med, 165 (8), 916-22
PubMed 15851644

Hagen K, Zwart JA, Svebak S, Bovim G, Jacob Stovner L (2005)
Low socioeconomic status is associated with chronic musculoskeletal complaints among 46,901 adults in Norway
Scand J Public Health, 33 (4), 268-75
PubMed 16087489

Nygaard ØP, Kolstad F, Kvistad KA, Zwart JA, Solberg T, Lied B, Myrseth E, Helseth E, Baardsen R (2005)
[Chronic whiplash syndrome is no indication for craniocervical fixation]
Tidsskr Nor Laegeforen, 125 (21), 2939-41
PubMed 16276376

Publications 2004

Zwart JA, Dyb G, Hagen K, Svebak S, Stovner LJ, Holmen J (2004)
Analgesic overuse among subjects with headache, neck, and low-back pain
Neurology, 62 (9), 1540-4
PubMed 15136678

Zwart JA, Dyb G, Holmen TL, Stovner LJ, Sand T (2004)
The prevalence of migraine and tension-type headaches among adolescents in Norway. The Nord-Trøndelag Health Study (Head-HUNT-Youth), a large population-based epidemiological study
Cephalalgia, 24 (5), 373-9
PubMed 15096226

Aamodt AH, Borch-Iohnsen B, Hagen K, Stovner LJ, Asberg A, Zwart JA (2004)
Headache prevalence related to haemoglobin and ferritin. The HUNT Study
Cephalalgia, 24 (9), 758-62
PubMed 15315532

Publications 2003

Bendtsen L, Mattsson P, Zwart JA, Lipton RB (2003)
Placebo response in clinical randomized trials of analgesics in migraine
Cephalalgia, 23 (7), 487-90
PubMed 12950372

Zwart JA, Dyb G, Hagen K, Svebak S, Holmen J (2003)
Analgesic use: a predictor of chronic pain and medication overuse headache: the Head-HUNT Study
Neurology, 61 (2), 160-4
PubMed 12874392

Zwart JA, Dyb G, Hagen K, Ødegård KJ, Dahl AA, Bovim G, Stovner LJ (2003)
Depression and anxiety disorders associated with headache frequency. The Nord-Trøndelag Health Study
Eur J Neurol, 10 (2), 147-52
PubMed 12603289

Zwart JA, Dyb G, Stovner LJ, Sand T, Holmen TL (2003)
The validity of 'recognition-based' headache diagnoses in adolescents. Data from the Nord-Trøndelag Health Study 1995-97, Head-HUNT-Youth
Cephalalgia, 23 (3), 223-9
PubMed 12662191

Publications 2002

Gårseth M, Sonnewald U, White LR, Rød M, Nygaard Ø, Zwart JA (2002)
Metabolic changes in the cerebrospinal fluid of patients with lumbar disc herniation or spinal stenosis
J Neurosci Res, 69 (5), 692-5
PubMed 12210836

Hagen K, Einarsen C, Zwart JA, Svebak S, Bovim G (2002)
The co-occurrence of headache and musculoskeletal symptoms amongst 51 050 adults in Norway
Eur J Neurol, 9 (5), 527-33
PubMed 12220386

Hagen K, Stovner LJ, Vatten L, Holmen J, Zwart JA, Bovim G (2002)
Blood pressure and risk of headache: a prospective study of 22 685 adults in Norway
J Neurol Neurosurg Psychiatry, 72 (4), 463-6
PubMed 11909904

Hagen K, Vatten L, Stovner LJ, Zwart JA, Krokstad S, Bovim G (2002)
Low socio-economic status is associated with increased risk of frequent headache: a prospective study of 22718 adults in Norway
Cephalalgia, 22 (8), 672-9
PubMed 12383064

Wessman M, Kallela M, Kaunisto MA, Marttila P, Sobel E, Hartiala J, Oswell G, Leal SM, Papp JC, Hämäläinen E, Broas P, Joslyn G, Hovatta I, Hiekkalinna T, Kaprio J, Ott J, Cantor RM, Zwart JA, Ilmavirta M, Havanka H, Färkkilä M, Peltonen L, Palotie A (2002)
A susceptibility locus for migraine with aura, on chromosome 4q24
Am J Hum Genet, 70 (3), 652-62
PubMed 11836652

Publications 2001

Hagen K, Bjøro T, Zwart JA, Vatten L, Stovner LJ, Bovim G (2001)
Low headache prevalence amongst women with high TSH values
Eur J Neurol, 8 (6), 693-9
PubMed 11784355

Oldervoll LM, Rø M, Zwart JA, Svebak S (2001)
Comparison of two physical exercise programs for the early intervention of pain in the neck, shoulders and lower back in female hospital staff
J Rehabil Med, 33 (4), 156-61
PubMed 11506213

Vik A, Zwart JA, Hulleberg G, Nygaard OP (2001)
Eight year outcome after surgery for lumbar disc herniation: a comparison of reoperated and not reoperated patients
Acta Neurochir (Wien), 143 (6), 607-610; discussion 610-11
PubMed 11534678

Zwart JA, Sand T (2001)
Repeatability of dermatomal warm and cold sensory thresholds in patients with sciatica
Eur Spine J, 11 (5), 441-6
PubMed 12384751

Publications 2000

Gårseth M, Sonnewald U, White LR, Rød M, Zwart JA, Nygaard O, Aasly J (2000)
Proton magnetic resonance spectroscopy of cerebrospinal fluid in neurodegenerative disease: indication of glial energy impairment in Huntington chorea, but not Parkinson disease
J Neurosci Res, 60 (6), 779-82
PubMed 10861790

Hagen K, Zwart JA, Vatten L, Stovner LJ, Bovim G (2000)
Prevalence of migraine and non-migrainous headache--head-HUNT, a large population-based study
Cephalalgia, 20 (10), 900-6
PubMed 11304025

Hagen K, Zwart JA, Vatten L, Stovner LJ, Bovim G (2000)
Head-HUNT: validity and reliability of a headache questionnaire in a large population-based study in Norway
Cephalalgia, 20 (4), 244-51
PubMed 10999674

Vik A, Hulleberg G, Zwart JA, Nygaard OP (2000)
[Long-term follow-up after surgery for lumbar disk herniation]
Tidsskr Nor Laegeforen, 120 (24), 2868-71
PubMed 11143406

Publications 1999

Zwart JA, Iversen OJ, Sand T, Dale LG, Unsgård G (1999)
Higher levels of antibodies against the psoriasis-associated antigen pso p27 in cerebrospinal fluid from patients with low back pain and sciatica
Spine (Phila Pa 1976), 24 (4), 373-7
PubMed 10065522

Publications 1998

Becser N, Sand T, Pareja JA, Zwart JA (1998)
Thermal sensitivity in unilateral headaches
Cephalalgia, 18 (10), 675-83; discussion 657
PubMed 9950624

Becser N, Sand T, Zwart JA (1998)
Reliability of cephalic thermal thresholds in healthy subjects
Cephalalgia, 18 (8), 574-82
PubMed 9827251

Zwart J, Geisler JP, Geisler HE (1998)
Five-year survival in patients with endometrioid carcinoma of the ovary versus those with serous carcinoma
Eur J Gynaecol Oncol, 19 (3), 225-8
PubMed 9641218

Zwart JA, Sand T, Unsgaard G (1998)
Warm and cold sensory thresholds in patients with unilateral sciatica: C fibers are more severely affected than A-delta fibers
Acta Neurol Scand, 97 (1), 41-5
PubMed 9482677

Publications 1997

Sand T, Zwart JA, Helde G, Bovim G (1997)
The reproducibility of cephalic pain pressure thresholds in control subjects and headache patients
Cephalalgia, 17 (7), 748-55
PubMed 9399004

Zwart JA (1997)
Neck mobility in different headache disorders
Headache, 37 (1), 6-11
PubMed 9046716

Zwart JA, Gårseth M, Sonnewald U, Dale LG, White LR, Aasly J, Unsgård G (1997)
Nuclear magnetic resonance spectroscopy of cerebrospinal fluid from patients with low back pain and sciatica
Spine (Phila Pa 1976), 22 (18), 2112-6
PubMed 9322323

Aasly J, Gårseth M, Sonnewald U, Zwart JA, White LR, Unsgård G (1997)
Cerebrospinal fluid lactate and glutamine are reduced in multiple sclerosis
Acta Neurol Scand, 95 (1), 9-12
PubMed 9048978

Publications 1995

Bovim G, Johnsen HJ, Zwart JA (1995)
[Elevated intracranial pressure following brain infarction--a retrospective study]
Tidsskr Nor Laegeforen, 115 (2), 203-6
PubMed 7855810

Bovim G, Johnsen HJ, Zwart JA, Unsgård G (1995)
[Elevated intracranial pressure following brain infarction--therapeutical possibilities]
Tidsskr Nor Laegeforen, 115 (2), 207-9
PubMed 7855811

Sjaastad O, Stolt-Nielsen A, Blume H, Zwart JA, Fredriksen TA (1995)
Cervicogenic headache. Long-term results of radiofrequency treatment of the planum nuchale
Funct Neurol, 10 (6), 265-71
PubMed 8837990

Zwart JA, Sand T (1995)
Exteroceptive suppression of temporalis muscle activity: a blind study of tension-type headache, migraine, and cervicogenic headache
Headache, 35 (6), 338-43
PubMed 7635719

Publications 1994

Sand T, Zwart JA (1994)
The blink reflex in chronic tension-type headache, migraine, and cervicogenic headache
Cephalalgia, 14 (6), 447-50; discussion 394-5
PubMed 7697706

Zwart JA, Bovim G, Sand T, Sjaastad O (1994)
Tension headache: botulinum toxin paralysis of temporal muscles
Headache, 34 (8), 458-62
PubMed 7960729

Zwart JA, Helseth E, Skaanes KO (1994)
[Percutaneous lumbar diskectomy]
Tidsskr Nor Laegeforen, 114 (24), 2845-7
PubMed 7998032

Publications 1993

Zwart JA, Bovim G, Johnsen HJ, Schrader H (1993)
[Mononucleosis and neurological manifestations]
Tidsskr Nor Laegeforen, 113 (12), 1461-2
PubMed 7741803

Publications 1987

Ellingsen I, Sydnes G, Hauge A, Zwart JA, Liestøl K, Nicolaysen G (1987)
CO2 sensitivity in humans breathing 1 or 2% CO2 in air
Acta Physiol Scand, 129 (2), 195-202
PubMed 3107346