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- Björk Brämberg, E, et al.
(författare)
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Prevention of sick leave at the workplace : design of a cluster-randomized controlled trial of a problem-solving intervention among employees with common mental disorders
- 2021
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Ingår i: BMC Public Health. - : BMC. - 1471-2458. ; 21
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Common mental disorders are highly prevalent in the working population, affecting about 1 in 5 persons in the Organisation for Economic Co-operation and Development countries. About 30% of those affected have a first period of sick leave. Despite several attempts to reduce the risk of sick leave among employees with common mental disorders, there is a lack of knowledge about effective, preventive interventions which aim to reduce such risks. This protocol describes the design of a study to evaluate the effectiveness of a problem-solving intervention delivered by first-line managers to employees with common mental disorders on the prevention of sick leave during the 12-month follow-up.METHODS/DESIGN: The study applies a two-armed cluster-randomized trial design of a problem-solving intervention conducted in private-sector companies. First-line managers are randomized into intervention- or control groups by computer-generated random numbers, allocation ratio 1:1. Employees are eligible if at risk for future sick leave due to common mental disorders. These are identified by self-reported psychological health measured by the General Health Questionnaire 12-item, cut-off ≥3, or a positive answer to risk of sick leave. The intervention is based on problem-solving principles. It involves the training of the first-line managers who then deliver the intervention to employees identified at risk of sick leave. First-line managers in the control group receives a lecture. Primary outcome is number of registered days of sick leave due to common mental disorders during the 12-month follow-up. Secondary outcomes are general health, psychological symptoms, work performance, work ability and psychosocial work environment. A process evaluation will examine the intervention's reach, fidelity, dose delivered, dose received, satisfaction and context. Research assistants managing the screening procedure, outcome assessors and employees are blinded to randomization and allocation.DISCUSSION: The study includes analyses of the intervention's effectiveness and an alongside process evaluation. Methodological strengths and limitations, for example the risk of selection bias, attrition and risk of contamination are discussed.TRIAL REGISTRATION: Clinicaltrials.gov NCT04975750 Date of registration: 08/16/2021.
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- Chylicki, K, et al.
(författare)
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p53-mediated differentiation of the erythroleukemia cell line K562
- 2000
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Ingår i: Cell Growth and Differentiation. - 1044-9523. ; 11:6, s. 24-315
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Tidskriftsartikel (refereegranskat)abstract
- The tumor suppressor gene p53 can mediate both apoptosis and cell cycle arrest. In addition, p53 also influences differentiation. To further characterize the differentiation inducing properties of p53, we overexpressed a temperature-inducible p53 mutant (ptsp53Val135) in the erythroleukemia cell line K562. The results show that wild-type p53 and hemin synergistically induce erythroid differentiation of K562 cells, indicating that p53 plays a role in the molecular regulation of differentiation. However, wild-type p53 did not affect phorbol 12-myristate 13-acetate-dependent appearance of the megakaryocyte-related cell surface antigens CD9 and CD61, suggesting that p53 does not generally affect phenotypic modulation. The cyclin-dependent kinase inhibitor p21, a transcriptional target of p53, halts the cell cycle in G1 and has also been implicated in the regulation of differentiation and apoptosis. However, transiently overexpressed p21 did neither induce differentiation nor affect the cell cycle distribution or viability of K562 cells, suggesting that targets downstream of p53 other than p21 are critical for the p53-mediated differentiation response.
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- Ernstgard, L, et al.
(författare)
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Acute effects of exposure to hexanal vapors in humans
- 2006
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Ingår i: Journal of occupational and environmental medicine. - : Ovid Technologies (Wolters Kluwer Health). - 1076-2752. ; 48:6, s. 573-580
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Tidskriftsartikel (refereegranskat)
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