Background: Musculoskeletal disorders are common worldwide. Several factors are suggested in their aetiology, one of which is ergonomics alongside other individual factors. This study aims at investigating the prevalence of musculoskeletal disorders among administrative office workers at a large university in Saudi Arabia. Methods: This cross-sectional study recruited office workers at a Saudi university. A questionnaire was used that involved three sections, the first section consisted of sociodemographic questions, the second included the Rapid Office Strain Assessment (ROSA) checklist to assess ergonomic factors possibly involved, and the third included the Nordic Musculoskeletal Questionnaire to measure the outcome. Bi-variate analyses were performed by Chi-Squared tests and T-tests where appropriate, and a multivariable logistic regression was done to yield odds ratios (OR) and 95% confidence intervals (CIs). Results: The prevalence of musculoskeletal symptoms in any region during the past 12 months preceding the study was 84.5%, and only 30% have sought medical advice. The most common area of complaint was the lower back (54.5%). After adjustment, age and years of experience were positively associated with musculoskeletal symptoms (OR = 1.04, 95% CI = 1.01–1.09 and OR = 1.10, 95% CI = 1.05–1.15). Normal weight was associated with a significant reduction in risk (OR = 0.10, 95% CI = 0.05–0.18). ROSA score was an independent risk factor (OR = 1.77, 95% CI = 1.05–2.96). Conclusions: Musculoskeletal symptoms were highly prevalent in the current sample. Identified predictors may support the need for interventions to reduce risk.

Objectives The objectives of this study were to assess the volunteering of undergraduate health students and interns in the Ministry of Health (MOH) services in the Kingdom of Saudi Arabia (KSA) during the COVID-19 pandemic, its motivational factors and barriers, as well as their risk perception of COVID-19. Design A cross-sectional study. Participants From 12 to 21 May 2020, an online survey was sent to all undergraduate health students and interns in the KSA. This included questions on demographics, volunteering status, risk perception of COVID-19, as well as motivations and barriers towards volunteering. Results In a convenience sample of 6016 students and interns across KSA, 1824 (30.31%) have volunteered with the MOH services during the COVID-19 pandemic. Volunteering was more likely among older participants, from the College of Medicine, those with self-perceived at risk of COVID-19 infection and those with self-perceived healthy participants. Females, those who did not think that students had moral duties to volunteer, those who were at risk of seasonal influenza and those with self-perceived at risk of hospitalisation from COVID-19 were less likely to volunteer. Patriotism, gaining experience, assisting when able and religious rewards all were reported as major motivators to volunteer. Non-volunteering participants reported that lack of interest, protocol and knowledge, as well as issues related to their personal health and transportation were the main barriers to volunteering. Conclusions About one-third of undergraduate health students and interns volunteered during the first 2 months of the COVID-19 pandemic in KSA. Moral values were the most important motivations among volunteers. Efforts to encourage heath students and interns to volunteer and providing those with appropriate educational programmes are recommended.

S. Life in university is so stressful; it can affect health-related QOL (HRQOL). There are many factors that affect HRQOL of university students. The aim of this study was to assess the QOL of female university students in Dammam, Saudi Arabia, and identify factors related to it, with special emphasis on Internet use. MATERIALS AND METHODS: This cross-sectional study surveyed 2516 female students at Imam Abdulrahman Bin Faisal University in Dammam, using a self-administered questionnaire with sections on sociodemographics, score for Internet use/addiction (IA), and an assessment of HRQOL. Two latent factors were extracted: physical component summaries (PCSs) and mental component summaries (MCSs). Bivariate analyses and MANOVA were then performed. RESULTS: The overall PCS and MCS were 69% ± 19.6 and 62% ± 19.9, respectively. Almost two-thirds of the students were found to have IA or possible IA. Students whose parents had lower education reported less PCS. Students with high family income reported higher PCS and MCS than those with a lower income. MANOVA model has shown that the higher the IA score, the lower the score of both the PCS and MCS. CONCLUSION: HRQOL in female students was found to be affected by parental educational level, family income, and problematic Internet use....

Introduction: Researchers are increasingly favouring the use of biological resources in the synthesis of metallic nanoparticles. This synthesis process is quick and affordable. The current study examined the antibacterial and anticancer effects of silver nanoparticles (AgNPs) derived from the Neurada procumbens plant. Biomolecules derived from natural sources can be used to coat AgNPs to make them biocompatible. Methods: UV-Vis spectroscopy was used to verify the synthesis of AgNPs from Neurada procumbens plant extract, while transmission electron microscopy (TEM), photoluminescence (PL) spectroscopy, dynamic light scattering (DLS), and Fourier transform infrared spectroscopy (FTIR) were used to characterize their morphology, crystalline structure, stability, and coating. Results: UV-visible spectrum of AgNPs shows an absorption peak at 422 nm, indicating the isotropic nature of these nanoparticles. As a result of the emergence of a transmission peak at 804.53 and 615.95 cm^{− 1} in the spectrum of the infrared light emitted by atoms in a sample, FTIR spectroscopy demonstrated that the Ag stretching vibration mode is metal-oxygen (M-O). Electron dispersive X-ray (EDX) spectral analysis shows that elementary silver has a peak at 3 keV. Irradiating the silver surface with electrons, photons, or laser beams triggers the illumination. The emission peak locations have been found between 300 and 550 nm. As a result of DLS analysis, suspended particles showed a bimodal size distribution, with their Z-average particle size being 93.38 nm. Conclusion: The findings showed that the antibacterial action of AgNPs was substantially (p≤ 0.05) more evident against Gramme-positive strains (S. aureus and B. cereus) than E. coli. The biosynthesis of AgNPs is an environmentally friendly method for making nanostructures that have antimicrobial and anticancer properties.

Health and socioeconomic status (SES) are linked in studies worldwide. Measures of SES exist for many countries, however not for Saudi Arabia (SA). We describe two indices of area-based SES for SA. Routine census data has been used to construct two indices of SES at the geographically-delimited administrative region of Governorates in SA (n = 118). The data used included indicators of educational status, employment status, car and material ownership. A continuous measure of SES was constructed using exploratory factor analysis (EFA) and a categorical measure of SES using latent class analysis (LCA). Both indices were mapped by Governorates. The EFA identified three factors: The first explained 51.58% of the common variance within the interrelated factors, the second 15.14%, and the third 14.26%. These proportions were used in the formulation of the standard index. The scores were fixed to range from 100 for the affluent Governorate and 0 for the deprived. The LCA found a 4 class model as the best model fit. Class 1 was termed “affluent” and included 11.01% of Governorates, class 2 “upper middle class” (44.91%), class 3 “lower middle class” (33.05%) and class 4 “deprived” (11.01%). The populated urbanised Governorates were found to be the most affluent whereas the smaller rural Governorates were the most deprived. This is the first description of measures of SES in SA at a geographical level. Two measures have been successfully constructed and mapped. The maps show similar patterns suggesting validity. Both indices support the common perception of SES in SA.

Background: Social Anxiety disorder (SAD) is common worldwide. However, data from Saudi Arabia is deficient. This study aims to determine the prevalence of SAD across Saudi medical students and its associations with sociodemographic factors and their academic performance. Methods: The main outcome was presence/absence of SAD and the secondary outcome was its level of severity. These were assessed from the Social Phobia Inventory. Associated factors included sociodemographic variables, as well as educational characteristics of students. Descriptive statistics were reported as counts and percentages, and unadjusted and adjusted odds ratios (OR) and their 95% confidence intervals (CIs) were computed through bivariate and multivariate logistic regression. Results: Of 5896 Saudi medical students who participated in the study, the prevalence of SAD was almost 51%. While 8.21% and 4.21% had reported severe and very severe SAD, respectively. Older age students were at lower risk of developing SAD (OR = 0.92, 95% CI = 0.89 – 0.96). In contrast, females (OR = 1.13, 95% CI = 1.01 – 1.26), students enrolled in private colleges and colleges implementing non-problem-based learning (OR = 1.29, 95% CI = 1.09 – 1.52 and OR = 1.29. 95% CI = 1.15 – 1.46 respectively) were at higher risk. A significant elevated risk of SAD was found among students who had previously failed, and had a low GPA. Conclusion: SAD is prevalent among the sampled population, and different associated factors were identified. Current results could raise the awareness of faculty members and healthcare providers towards early detection and management of these cases.