Blar i Publikasjoner fra Cristin - STAMI på forfatter "Gjerstad, Johannes"
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Alcohol use among Norwegian workers: Associations with health and well-being
Nielsen, Morten Birkeland; Gjerstad, Johannes; Frone, Michael (Others, 2018) -
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 ... -
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. ... -
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) -
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) -
Last in, first out? Length of service as a moderator of the relationship between exposure to bullying behaviors and work-related outcomes
Glambek, Mats; Einarsen, Ståle Valvatne; Gjerstad, Johannes; Nielsen, Morten Birkeland (Peer reviewed; Journal article, 2023)In the present study, we proposed and tested a conceptual model of length of service in the organization as a moderator of the relationship between exposure to workplace bullying behaviors and turnover intention, as mediated ... -
Leadership style, headache, and neck pain the moderating role of the catechol-o-methyltransferase (comt) genotype
Christensen, Jan Olav; Nielsen, Morten Birkeland; Sannes, Ann-Christin; Gjerstad, Johannes (Peer reviewed; Journal article, 2021)Objective: Leadership styles can influence subordinates’ health. We investigated how the gene encoding the Catechol-O-Methyltransferase (COMT) enzyme (ie, COMT rs4680 Val158Met) influenced effects of abusive supervision ... -
Low Back Pain With Persistent Radiculopathy; the Clinical Role of Genetic Variants in the Genes SOX5, CCDC26/GSDMC and DCC
Lie, Marie; Pedersen, Linda Margareth; Heuch, Ingrid; Winsvold, Bendik K S; Gjerstad, Johannes; Hasvik, Eivind Olay; Nygaard, Øystein Petter; Grotle, Margreth; Matre, Dagfinn; Zwart, John Anker Henrik; Nilsen, Kristian Bernhard (Peer reviewed; Journal article, 2022)In a recently published genome-wide association study (GWAS) chronic back pain was associated with three loci; SOX5, CCDC26/GSDMC and DCC. This GWAS was based on a heterogeneous sample of back pain disorders, and it is ... -
Mapping of pituitary stress-induced gene regulation connects Nrcam to negative emotions
Olsen, Maria Belland; Sannes, Ann-Christin; Yang, Kuan; Nielsen, Morten Birkeland; Einarsen, Ståle Valvatne; Christensen, Jan Olav; Pallesen, Ståle; Bjørås, Magnar; Gjerstad, Johannes (Peer reviewed; Journal article, 2022)Environmental stressors such as repeated social defeat may initiate powerful activation of subconscious parts of the brain. Here, we examine the consequences of such stress (induced by resident-intruder paradigm) on the ... -
MicroRNA-223 demonstrated experimentally in exosome-like vesicles is associated with decreased risk of persistent pain after lumbar disc herniation
Moen, Aurora Lie; Jacobsen, Daniel; Phuyal, Santosh; Legfeldt, Anna; Haugen, Fred; Røe, Cecilie; Gjerstad, Johannes (Peer reviewed; Journal article, 2017) -
Patterns of pain complaints and insomnia symptoms are associated with abusive supervision in the Norwegian working population: A latent class analysis
Sannes, Ann-Christin; Christensen, Jan Olav; Matre, Dagfinn; Nielsen, Morten Birkeland; Gjerstad, Johannes (Peer reviewed; Journal article, 2021)Objectives Previous findings suggest that abusive supervision, i.e., subordinates’ perceptions of their supervisor’s behaviours as hostile (excluding physical aggression), may increase the risk of health complaints. In ...