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BACKGROUND: Due to the COVID-19 pandemic in Iran, the number of patients admitted to hospitals and the workload of nurses has increased. High workload can reduce efficiency and quality of life. In the meantime the percived social support may had a moderating role. OBJECTIVE: The aim of the study was to investigate the effect of workload and perceived social support on quality of life in nurses who work in COVID-19 inpatient wards. METHODS: This was a cross-sectional descriptive-analytic study. 336 nurses who worked in inpatient wards with COVID-19 patients were randomly selected and studied. NASA-TLX Workload Questionnaire, WHO Quality of Life Questionnaire and Multidimensional Social Support Perception Scale were used to data collection. Structural equation modelling in PLS software was used to modelling. RESULTS: The results showed that the average score of workload, perceived social support and quality of life were 80.87±20.17, 56.23±11.46 and 55.87±13.74, respectively. A significant inverse relationship was observed between workload and quality of life (P <  0.05). Also, perceived social support had a moderator effect on relationship between workload and quality of life (P <  0.05). CONCLUSIONS: High workload can upset the balance between work and life that leads to decrease the quality of life. Perceived social support as a moderator can reduce the negative impact of workload on quality of life. In the COVID-19 pandemic where nurses’ workload have increased, by increasing the perceived social support can manage the negative effect of workload.

BackgroundSince the presence of a co-driver can be considered as a companion, partner, or friend for a driver through eliminating driver's loneliness, it plays a significant role in health and safety of drivers. The objective of this study was to investigate the effect of co-drivers on depression and occupational stress on male truck drivers.MethodsThis study was an interventional case-control study. Seventy truck drivers were selected and divided into two groups: case (33 truck drivers with co-drivers) and control (37 truck drivers without co-drivers). Two Goldberg depression inventories (for evaluating driver's depression) and the Karasek job content questionnaire (for evaluating driver's job stress) were used to collect data which were completed by interview.ResultsThe results showed that job content values for the case group were higher in all dimensions except job nature. The comparison of the percentages showed significant difference between two groups. Depression rate in drivers with co-driver is truly less than depression rate in drivers without co-driver. There was significant positive relationship between dimensions of job content and depression rate.ConclusionAccording to the results of this study, it can be claimed that a co-driver decreases stress and loneliness of drivers, as well as increases work performance and job satisfaction, and, in turn, leads to a decrease in job-related depression.

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BACKGROUND: Workplaces are prone to the current outbreak- of COVID-19. Despite the production of the COVID-19 vaccine, due to some challenges in vaccinating all people worldwide, adherence to health protocols is still one of the ways to prevent infection. OBJECTIVE: This study was conducted with the purpose of investigating the compliance of COVID-19 protocols in the workplaces of Ardabil, Iran. METHODS: This was a cross-sectional research conducted on the workplaces affiliated to Ardabil University of Medical Sciences between August and September, 2020. A researcher-designed checklist was completed once in early August and once at the end of September for the workplaces. Accordingly, these workplaces were inspected for any compliance with the COVID-19 prevention protocols by health centers during August and September. In addition, the number of patients with COVID-19 was determined for each one of the workplaces. RESULTS: The results showed that the highest increase was related to screening (57.8%) and the lowest change was related to personal hygiene (1.3%). The rates of increase in performance for small workshops, offices and industries were 35.4%, 33.1%and 12.4%, respectively. Moreover, a linear and inverse relationship was found between the incidence of COVID-19 and the level of observance of the OVID-19 prevention protocols. CONCLUSIONS: Based on the results of this study, the inspection made by legal authorities led to the increased commitment of workplace managers to implement prevention programs, thereby increasing the observation level of these protocols in the workplace and reducing the incidence of COVID-19.

Background:Analyzing the possible negative effects of using cell phones on the users’ health is an important and vital affair due to rapid growth and extensive use of these devices on human communications and interactions. The aim of this study was to determine the effect of increasing the distance of cell phones to brain tissue on the temperature of the central and gray matters of brain due to the heat generated by radio frequency waves.Methods:This study was an experimental study. A cow's brain tissue was analyzed in a compartment with three thicknesses of 2, 12, and 22 mm, in the distances of 4 mm and 4 cm from a cell phone for 15 min. Lutron thermometer was used to measure the tissue temperature, and the data analysis were done by Lutron and MATLAB software packages.Results:The tissue temperature was increased while confronting with a cell phone in distances of 4 mm and 4 cm in all the three thicknesses of 2, 12, and 22 mm. The tissue temperature was higher after removing the confrontation at 4 mm distance as compared to the distance of 4 cm.Conclusions:During confrontation and after that with the cell phone, reducing the distance of brain tissue and the cell phone increased the tissue temperature intensely. In fact, by increasing the cell phone distance from brain tissue, the thermal effect of radiofrequency waves was reduced.

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