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Factors affecting occupational accidents in the construction industry (2009-2013)
I Mohammadfam, A Soltanzadeh, A Moghimbeigi, M Akbarzadeh,
Volume 3, Issue 2 (Spring 2014 2014)
Abstract

Background: There is a high prevalence of  occupational injuries due to accidents in construction industries which affect human health. Therefore, the exploration and analysis of contributing factors of such accidents can lead to their prevention and the reduction of their consequences. This study was conducted with the aim to identify factors related to occupational injuries and the severity of their consequences on large construction sites in Iran.

 Materials & Methods: This study was an cross-sectional investigation on five-sequential-year accidents on large construction sites. Data includeds the information of 500 human injuries due to accidents. Data analysis was carried out using SPSS statistical software and statistical tests such as linear regression, independent sample t-test, and one-way ANOVA.

Results: The mean accident frequency rate and accident severity rate was 4.71 and 216.28, respectively. The average age and job experience of injured workers were 29.18 ± 7.67 and 4.67 ± 3.9 years respectively, and had significant statistical difference with accident frequency rate and accident severity rate (P < 0.05). The association between accident indices and all factors related to accident type, equipment-related factors, unsafe condition and act and accident nature was found to be significant (P < 0.05). Furthermore, the results showed that accident frequency rate and accident severity rate had a significant association with all factors related to health, safety, and the environment (HSE) training, housekeeping and HSE control measures (P < 0.05).

Conclusions: The results indicate that the occurrence and severity of construction accidents were due to the combination of failures in a collection of different contributing factors including demographical and organizational factors, accident type, factors related to work conditions and equipment, unsafe actions and conditions, nature of accidents, HSE training and control measures, and accident time and place. Therefore, to prevent and reduce the rate of such accidents, all these factors should be regarded.


Epidemiological Characteristics of COVID-19 Patients in Mazandaran, Iran, 2021
Rouhollah Shabestan, Bahman Amani, Behnam Amani, Saeed Khorramnia, Sara Zareei, Mohammad Reza Parsaie, Hormoz Kianian, Ali Charkameh, Arash Akbarzadeh,
Volume 12, Issue 1 (Winter 2023)
Abstract

Background: COVID-19 continues to pose a significant healthcare challenge throughout the world. This study aimed to investigate epidemiological characteristics and associated mortality factors among hospitalized patients with COVID-19 in the Mazandaran province.
Materials & Methods: In this descriptive study, the medical information of patients admitted to 39 hospitals in 17 cities in Mazandaran province between February 20, 2020, and February 20, 2021, were initially assessed and then entered the survey based on the study criteria. For data analysis, statistical approaches such as Chi-square and Fisher's exact test were performed at a significance level of 5%.
Results: Out of the initial 34036 patients total patients, 21007 were included in the study with a mean age of 53.75±18.23 years, and 10219(48.6%) were males. The majority of cases and the highest mortality percent belonged to the age groups of 60 to 70 and 70 to 80. The Mortality proportion was 11.6% (n=2431), with a higher value in males than females. Moreover, the highest mortality rate was seen in ICU  (n=2803, 85.7%). Underlying diseases with the highest mortality rate were diabetes  (n=2058, 43%) and chronic heart disease  (n=166, 6.83%). The most common symptoms of illness were fever  (n=9025, 43%), hemoptysis  (n=5911, 28.10%), sore throat  (n=3771, 18%), and low blood pressure  (n=3626, 17.30%).
Conclusion: This study showed a high mortality rate among COVID-19 cases and dissected the related risk factors, including age, gender, underlying diseases, and ICU admission.
 

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