Background: Psychosocial risks represent a great challenge for safety and health protection at work in Europe. The purpose of this study has been to determine the relationships of psychosocial risks arising from work, stress, personal characteristics and burnout among physicians and nurses in the Emergency Medical Service (EMS). Material and Methods: We performed a cross-sectional study based on a questionnaire survey which contained the Copenhagen Psychosocial Questionnaire (COPSOQ) and Copenhagen Burnout Inventory (CBI). Results: A total of 88 physicians and 80 nurses completed the survey. Physicians demonstrated higher emotional (mean (M) ± standard deviation (SD) = 74.57±16.85) and cognitive (M±SD = 75.95±13.74) demands as compared to nurses. Both groups had high sensory demands and responsibilities at work, in spite of the low degree of their autonomy. The meaning of work, commitment to the workplace, and insecurity at work were high for both groups. Among all participants, stressful behavior and reactions were within the limits of low values (< 40) and coping strategies showed high values (> 60). Personal and patient-related burnout was high for both groups, where physicians were significantly affected by work-related burnout. The influence at work, degree of freedom at work, social support, sense of coherence, mental health, and problem-focused coping are negatively related to work-related burnout. Conclusions: Based on personal factors and coping styles, emergency physicians and nurses are representing a self-selective professional group that meets high work demands, great responsibility, strong commitment and insecurity at work. Burnout of physicians and nurses in the EMS tends to be ignored, although it has severe consequences on their mental and general health. Med Pr 2017;68(2):167-178
There is a high score of both personal and work related burnout among manufacturing workers in food industry. A negative correlation between burnout and subjective quality of life was also proved impacting health and well-being of workers, but also their productivity. The questionnaires we used (CBI, ComQolA5) could be considered as reliable and valid instruments for testing burnout and quality of life in Serbia.
This paper considers a computation method in failure analysis of layered composites containing pin-loaded holes. The investigation is focused on developing a reliable computation procedure to analyze initial failure load for pin-loaded holes at layered composite structures. Finite element method (FEM) is used to determine stress distribution around the fastener hole. Combining Chang-Scott-Springer characteristic curve model and Tsai-Wu initial failure criterion are used to determine joint failure. Special attention in this work is paid to pin-load distributions and its effect on the load level of failure and its location. In previous work initial failure analysis was carried out using cosine distribution between pin/lug mechanically fastened joint. Here contact finite element pin/lug model is analysed. The influence of stacking sequences of layered composites containing pin-loaded holes is also investigated. Special attention is paid to failure load and mode analyses in composites with stacking sequence [0/(±45) 3 /90 3 ] S. The computation results are compared with available experimental results. Good correlations between computation and experimental results are obtained.
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