Blar i Brage på forfatter "Gjerstad, Johannes"
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Preventing and Neutralizing the Escalation of Workplace Bullying. The Role of Conflict Management Climate
Hamre, Kristina Vaktskjold; Fauske, Margrethe Ringen; Reknes, Iselin; Nielsen, Morten Birkeland; Gjerstad, Johannes; Einarsen, Ståle Valvatne (Peer reviewed; Journal article, 2021)Workplace bullying is, by definition, a gradually escalating process, theorized to occur from psychosocial stressors when there is a lack of management intervention in escalating conflicts, and a lack of fair and robust ... -
Repeated social defeat promotes persistent inflammatory changes in splenic myeloid cells; decreased expression of β-arrestin-2 (ARRB2) and increased expression of interleukin-6 (IL-6)
Rajalingam, Dhaksshaginy; Nymoen, Ingeborg; Jacobsen, Daniel Pitz; Eriksen, Mina Baarnes; Dissen, Erik; Nielsen, Morten Birkeland; Einarsen, Ståle; Gjerstad, Johannes (Peer reviewed; Journal article, 2020)Background Previous studies suggest that persistent exposure to social stress in mammals may be associated with multiple physiological effects. Here, we examine the effects of social stress in rats, i.e. repeated social ... -
Repeated social defeat promotes persistent inflammatory changes in splenic myeloid cells; decreased expression of β-arrestin-2 (ARRB2) and increased expression of interleukin-6 (IL-6)
Rajalingam, Dhaksshaginy; Nymoen, Ingeborg; Jacobsen, Daniel Pitz; Eriksen, Mina Baarnes; Dissen, Erik; Nielsen, Morten Birkeland; Einarsen, Ståle; Gjerstad, Johannes (Peer reviewed; Journal article, 2020)Background Previous studies suggest that persistent exposure to social stress in mammals may be associated with multiple physiological effects. Here, we examine the effects of social stress in rats, i.e. repeated social ... -
The 5-HTTLPR rs25531 LALA-genotype increases the risk of insomnia symptoms among shift workers
Pallesen, Ståle; Jacobsen, Daniel Pitz; Nielsen, Morten Birkeland; Gjerstad, Johannes (Peer reviewed; Journal article, 2019)Background Previous studies indicate that shift work tolerance may be associated with individual factors including genetic variability in the gene encoding the serotonin transporter 5-HTT (SLC6A4). The present study aimed ... -
The 5-HTTLPR rs25531 LALA-genotype increases the risk of insomnia symptoms among shift workers
Pallesen, Ståle; Jacobsen, Daniel Pitz; Nielsen, Morten Birkeland; Gjerstad, Johannes (Peer reviewed; Journal article, 2019)Background Previous studies indicate that shift work tolerance may be associated with individual factors including genetic variability in the gene encoding the serotonin transporter 5-HTT (SLC6A4). The present study aimed ... -
The impact of follower leadership position on transformational leadership as moderator of the association between work-related ambiguity and job satisfaction
Nielsen, Morten Birkeland; Hetland, Jørn; Harris, Anette Kristoffersen; Notelaers, Guy Louis Alice; Gjerstad, Johannes; Einarsen, Ståle Valvatne (Peer reviewed; Journal article, 2022)This two-part study examined if the buffering effect of transformational leadership on the association between work-related ambiguity and job satisfaction is contingent upon whether a follower holds a formal leadership ... -
The MMP9 rs17576 A>G polymorphism is associated with increased lumbopelvic pain-intensity in pregnant women
Mahmood, Aqsa; Moen, Aurora Lie; Stafne, Signe Nilssen; Robinson, Hilde Stendal; Vøllestad, Nina Køpke; Salvesen, Kjell Å; Mørkved, Siv; Gjerstad, Johannes (Peer reviewed; Journal article, 2018) -
The Moderating Role of Transformational Leadership in the Relationships between Job Demands and Turnover Intentions
Nielsen, Morten Birkeland; Gjerstad, Johannes; Einarsen, Ståle Valvatne (Peer reviewed; Journal article, 2023)There is a shortage of knowledge about how different job demands influence turnover among employees. This study determines cross-sectional and prospective associations between challenge demands (quantitative demands), ... -
The Opioid Receptor Mu 1 (OPRM1) rs1799971 and Catechol-O-methyltransferase (COMT) rs4680 as genetic markers for placebo analgesia
Aslaksen, Per M; Forsberg, June Thorvaldsen; Gjerstad, Johannes (Peer reviewed; Journal article, 2018) -
The role of leadership practices in the relationship between role stressors and exposure to bullying behaviours – a longitudinal moderated mediation design
Ågotnes, Kari Wik; Nielsen, Morten Birkeland; Skogstad, Anders; Gjerstad, Johannes; Einarsen, Ståle Valvatne (Peer reviewed; Journal article, 2023)Role conflicts and role ambiguity have been identified as important risk factors for exposure to workplace bullying, particularly when combined with inadequate leadership practices. Even though role ambiguity theoretically ... -
Workplace bullying increases the risk of anxiety through a stress-induced β2-adrenergic receptor mechanism: a multisource study employing an animal model, cell culture experiments and human data
Rajalingam, Dhaksshaginy; Nymoen, Ingeborg; Nyberg, Henriette; Nielsen, Morten Birkeland; Einarsen, Ståle Valvatne; Gjerstad, Johannes (Peer reviewed; Journal article, 2021)Objectives Several studies show that severe social stressors, e.g., in the form of exposure to workplace bullying in humans, is associated with negative mental health effects such as depression and anxiety among those ...