Browsing Brage by Author "Gjerstad, Johannes"
Now showing items 1-20 of 51
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Alcohol use among Norwegian workers: Associations with health and well-being
Nielsen, Morten Birkeland; Gjerstad, Johannes; Frone, Michael (Others, 2018) -
Arbeid som årsak til muskel-skjelettlidelse - kunnskapsstatus 2008
Knardahl, Stein; Veiersted, Kaj Bo; Medbø, Jon Ingulf; Matre, Dagfinn; Jensen, Jørgen; Pedersen, Linda M.; Strøm, Vegard; Gjerstad, Johannes; Jebens, Einar; Wærsted, Morten (STAMI-rapport;9(22), Research report, 2015-06-23) -
Arbeid som årsak til muskel-skjelettlidelser : kunnskapsstatus 2008
Knardahl, Stein; Veiersted, Kaj Bo; Medbø, Jon Ingulf; Matre, Dagfinn; Jensen, Jørgen; Pedersen, Linda M.; Strøm, Vegard; Gjerstad, Johannes; Jebens, Einar; Wærsted, Morten (STAMI-rapport; årgang 9, Nr. 22, Research report, 2008) -
Are transformational and laissez-faire leadership related to state anxiety among subordinates? A two-wave prospective study of forward and reverse associations
Nielsen, Morten Birkeland; Skogstad, Anders; Gjerstad, Johannes; Einarsen, Ståle (Peer reviewed; Journal article, 2019)The aim of this study was to determine the direction of associations between perceived leadership styles of an immediate leader and state anxiety among subordinates using time-lagged data from a large and heterogeneous ... -
Assessing neuropathic pain in patients with low back-related leg pain: Comparing the painDETECT Questionnaire with the 2016 NeuPSIG grading system
Hasvik, Eivind Olay; Haugen, Anne Julsrud; Gjerstad, Johannes; Grøvle, Lars (Peer reviewed; Journal article, 2018)Background: Low back‐related leg pain with nerve root involvement is conceptually regarded as a neuropathic condition. However, it is uncertain to what extent patients with this condition can be formally classified with ... -
Associations between clinical symptoms, plasma norepinephrine and deregulated immune gene networks in subgroups of adolescent with Chronic Fatigue Syndrome
Nguyen, Chinh BKrong; Kumar, Surendra; Zucknick, Manuela; Kristensen, Vessela N.; Gjerstad, Johannes; Nilsen, Hilde Loge; Wyller, Vegard Bruun Bratholm (Peer reviewed; Journal article, 2018) -
Associations between exposure to workplace bullying and insomnia. A cross-lagged prospective study of causal directions
Nielsen, Morten Birkeland; Pallesen, Ståle; Einarsen, Ståle; Harris, Anette; Rajalingam, Dhaksshaginy; Gjerstad, Johannes (Peer reviewed; Journal article, 2021)Objective Workplace bullying has been established as a significant correlate of sleep problems. However, little is known regarding the causal direction between bullying and sleep. The aim of this study was to examine ... -
Dispositional affect as a moderator in the relationship between role conflict and exposure to bullying behaviors
Reknes, Iselin; Einarsen, Ståle; Gjerstad, Johannes; Nielsen, Morten Birkeland (Peer reviewed; Journal article, 2019)Stressors in the work environment and individual dispositions among targets have been established separately as antecedents and risk factors of workplace bullying. However, few studies have examined these stressors in ... -
Does ability to defend moderate the association between exposure to bullying and symptoms of anxiety?
Nielsen, Morten Birkeland; Gjerstad, Johannes; Jacobsen, Daniel Pitz; Einarsen, Ståle Valvatne (Peer reviewed; Journal article, 2017) -
Effects of low-dose clonidine on cardiovascular and autonomic variables in adolescents with chronic fatigue: A randomized controlled trial
Fagermoen, Frode Even; Sulheim, Dag; Winger, Anette; Andersen, Anders Mikal; Gjerstad, Johannes; Godang, Kristin; Rowe, Peter C; Saul, Philip J.; Skovlund, Eva; Wyller, Vegard Bruun (Journal article, 2015) -
Epiregulin is released from intervertebral disks and induces spontaneous activity in pain pathways
Kongstorp, Mette; Schjølberg, Tiril; Jacobsen, Daniel Pitz; Haugen, Fred; Gjerstad, Johannes (Peer reviewed; Journal article, 2019)Introduction: Lumbar radicular pain after disk herniation is associated with local release of many inflammatory molecules from nucleus pulposus (NP) cells leaking out of the intervertebral disk. Here, we have used a rat ... -
Exposure to workplace bullying, distress, and insomnia. The moderating role of the miR-146a genotype
Rajalingam, Dhaksshaginy; Jacobsen, Daniel Pitz; Nielsen, Morten Birkeland; Einarsen, Ståle; Gjerstad, Johannes (Peer reviewed; Journal article, 2019)Several lines of evidence show that systematic exposure to negative social acts at the workplace i.e., workplace bullying, results in symptoms of depression and anxiety among those targeted. However, little is known about ... -
Exposure to workplace bullying, microRNAs and pain. Evidence of a moderating effect of miR-30c rs928508 and miR-223 rs3848900
Jacobsen, Daniel Pitz; Eriksen, Mina Baarnes; Rajalingam, Dhaksshaginy; Nymoen, Ingeborg; Nielsen, Morten Birkeland; Einarsen, Ståle; Gjerstad, Johannes (Peer reviewed; Journal article, 2019)Prolonged exposure to bullying behaviors may give rise to symptoms such as anxiety, depression and chronic pain. Earlier data suggest that these symptoms often are associated with stress-induced low-grade systemic inflammation. ... -
Five-year development of lumbar disc degeneration—a prospective study
Schistad, Ellina Iordanova; Bjorland, Siri; Røe, Cecilie; Gjerstad, Johannes; Vetti, Nils; Myhre, Kjersti; Espeland, Ansgar (Peer reviewed; Journal article, 2018)Objective: To examine the impact of demographic, clinical, and genetic factors as well as herniated discs on 5-year development of disc degeneration in the lumbar spine, and to investigate associations between changes in ... -
Genes associated with persistent lumbar radicular pain; a systematic review
Bjorland, Siri; Moen, Aurora Lie; Schistad, Ellina Iordanova; Gjerstad, Johannes; Røe, Cecilie (Peer reviewed; Journal article, 2016) -
Genetic predictors of recovery in low back and lumbar radicular pain
Bjorland, Siri; Røe, Cecilie; Moen, Aurora Lie; Schistad, Ellina Iordanova; Aqsa, Mahmood; Gjerstad, Johannes (Peer reviewed; Journal article, 2017) -
Genetic variation in catechol-O-methyltransferase modifies effects of clonidine treatment in chronic fatigue syndrome
Hall, Karhryn T.; Kossowsky, Joe; Oberlander, Tim F.; Kaptchuk, Ted J.; Saul, J. Philip; Wyller, Vegard Bruun; Fagermoen, Even; Sulheim, Dag; Gjerstad, Johannes; Winger, Anette; Mukamal, Kenneth Jay (Peer reviewed; Journal article, 2016) -
Hyperexcitability in spinal WDR neurons following experimental disc herniation is associated with upregulation of fractalkine and its receptor in nucleus pulposus and the dorsal root ganglion
Jacobsen, Daniel Pitz; Moen, Aurora Lie; Haugen, Fred; Gjerstad, Johannes (Peer reviewed; Journal article, 2016)Introduction: Lumbar radicular pain following intervertebral disc herniation may be associated with a local inflammatory response induced by nucleus pulposus (NP) cells. Methods. In anaesthetized Lewis rats, extracellular ... -
Inflammatory Serum Protein Profiling of Patients with Lumbar Radicular Pain One Year after Disc Herniation
Moen, Aurora Lie; Lind, Anne-Li; Thulin, Måns; Kamali-Moghaddam, Masood; Røe, Cecilie; Gjerstad, Johannes; Gordh, Torsten (Peer reviewed; Journal article, 2016) -
Influence of catechol-O-methyltransferase Val158Met on fear of pain and placebo analgesia
Forsberg, June Thorvaldsen; Gjerstad, Johannes; Flaten, Magne; Aslaksen, Per M. (Peer reviewed; Journal article, 2018)Higher levels of fear have been shown to partly explain individual differences in placebo analgesic responding. The catechol-Omethyltransferase (COMT) rs4680 Val158Met polymorphism has been associated with both increased ...