Effects of occupational exposures on respiratory health in steel factory workers.

Background: The steel factory work environment contains various chemical exposures that can affect indoor air quality and have impact on respiratory health of the workers. Aims: The objective of this study was to assess potential effects of occupational exposures in steel factory workers in Iran on the respiratory symptoms, occurrence and the lung function levels. Method: This was a cross-sectional study of 133 men working in a steel factory forming the exposed group and 133 male office workers forming the reference group from a steel company in Iran. The participants filled in a questionnaire and underwent spirometry. Work history was used both as dichotomous (exposed/reference) and a quantitative measure of exposure, the latter measured as duration of exposure in the specified work (in years) for the exposed group and zero for the reference group. Results: Multiple linear regression and Poisson regression were used to adjust for confounding. In Poisson regression analyses, an increased prevalence ratio (PR) of all respiratory symptoms was observed in the exposed group. Lung function parameters were significantly reduced in the exposed group (p < 0.001). There was a dose-response relation between duration of occupational exposures and reduction in the predicted value of FEV1/FVC level (0.177, 95% CI -0.198 to -0.156) in all models. Conclusion: The results of these analyses showed that occupational exposures in steel factory work increase the prevalence of respiratory symptoms and reduce lung function. Safety training and workplace conditions were found to need improvement. In addition, use of proper personal protective equipment is recommended.

Spiritual Health and Stress in Pregnant Women During the Covid-19 Pandemic.

Stress is one of the effective factors in the occurrence of negative effects during pregnancy that can cause adverse outcomes such as preterm delivery and reduced intrauterine growth of the fetus in pregnant women. Therefore, one of the serious concerns during the COVID-19 pandemic is the physical health and mental health of pregnant women. This study aimed to evaluate the physical health status with the spiritual and mental health of pregnant women during the COVID-19 pandemic. The study is a descriptive study in 2019-2020 and the samples were randomly selected from all pregnant women who referred to hospitals and private maternity centers before and during the COVID-19 pandemic and performed all pregnancy and fetal health tests. It was performed on 560 pregnant female samples. The mental status of pregnant women was assessed using the DASS Spiritual Health and Stress Questionnaire. Data analysis was performed using SPSS statistical software (version 24). The results of this study showed that preterm birth, height, weight, and head circumference of babies and lungs and respiratory status of children with mental health and stress levels of pregnant women during the corona are significant compared with the previous of corona (p < 0.05). Increasing stress and decreasing the mental health of pregnant women during COVID-19 pandemic can increase the influencing factors in preterm delivery and unhealthy birth.