Publications by authors named "Alireza Mortezapour"

7 Publications

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Musculoskeletal Consequences in Cyber-Addicted Students - Is It Really A Matter of Health? A ROC Curve Analysis for Prioritizing Risk Factors.

J Res Health Sci 2020 Apr 21;20(2):e00475. Epub 2020 Apr 21.

Department of Public Health, Asadabad School of Medical Sciences, Asadabad, Iran.

Background: The high prevalence and also multiple consequences of addiction to various online content, including online games and social networks, have become a major challenge. The ability to predict musculoskeletal disorders from this addiction can help reveal in students' health status in the near future. The aim of this study was to determine the prevalence of this addiction and the ability to predict neck pain from this matter in students.

Study Design: A cross sectional study.

Methods: This study was carried out among 665 students. Data collection was performed through three questionnaires on problematic use of online games, social networking addiction, and Nordic musculoskeletal disorders. Data were compared with Chi-square and independent T-test, and the logistic regression model was then presented at a significant level of 0.05. Finally, the area under the receiver operating characteristic (ROC) curve and Discriminant analysis were conducted to clarify associations.

Results: The prevalence of Internet-related content addiction was 32.8%. The results showed that addiction to social networks and online games can increase the risk of neck disorder. Also 0.58 area under ROC curve depicted the ability to predict neck pain from this addiction.

Conclusion: In students with internet - related content addiction, neck disorder can be predicted. Given the high prevalence of internet addiction in students, it is essential to take immediate and appropriate interventions to avoid the associated adverse effects such as neck problems.
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http://dx.doi.org/10.34172/jrhs.2020.10DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7585751PMC
April 2020

The dress-ergonomics challenge: Local costume as a new type of work dress?

Work 2020 ;66(1):239-242

Department of Ergonomics, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran.

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http://dx.doi.org/10.3233/WOR-203143DOI Listing
August 2020

Letter to editor: brain awareness week, CoVID-19 infection and neurological sciences.

Neurol Sci 2020 06 4;41(6):1377-1378. Epub 2020 May 4.

Health Sciences Research Center, Department of Ergonomics, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran.

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http://dx.doi.org/10.1007/s10072-020-04441-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196527PMC
June 2020

Letter to the Editor: The first Ramadan during COVID-19 pandemic: 1.8 billion Muslims should fast or not?

Metabolism 2020 07 30;108:154253. Epub 2020 Apr 30.

Health Sciences Research Center, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran. Electronic address:

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http://dx.doi.org/10.1016/j.metabol.2020.154253DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7192090PMC
July 2020

Comprehensibility of pharmaceutical pictograms: Effect of prospective-user factors and cognitive sign design features.

Res Social Adm Pharm 2021 Feb 17;17(2):356-361. Epub 2020 Apr 17.

Department of Occupational Health Engineering, School of Public Health, Mazandaran University of Medical Sciences, Sari, Iran. Electronic address:

Background: The people's comprehensibility regarding the meaning of internationally recommended pictograms is an important factor in the correct usage of medications.

Objective: To investigate the relationship between the guessability of the pharmaceutical pictograms, the cognitive sign features, and prospective-user factors.

Methods: A total of 351 Iranian people participated in this study. Two questionnaires were used to measure guessability and cognitive design features regarding the pharmaceutical pictograms. A single-sheet questionnaire was also developed to collect demographic data.

Results: According to the 67% correctness criterion suggested by ISO 3864:P3, 18 pictograms were understandable by the participants. Moreover, of the five cognitive features, "semantic closeness" and "meaningfulness" had the most correlation with the guessability score. In terms of personal factors, understanding of the pictograms' meaning was negatively correlated with age, while it had no association with the occupation.

Conclusions: Some pharmaceutical pictograms developed by reliable international organizations can be used in a community only after redesigning and testing among the prospective users. The findings indicated that some pharmaceutical pictograms were not comprehensible for most participants. It is therefore expected that using a combination of pictograms with written messages and training could help in conveying the messages by pharmaceutical pictograms.
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http://dx.doi.org/10.1016/j.sapharm.2020.03.025DOI Listing
February 2021

Letter to Editor: Vicarious traumatization in the general public, members, and non-members of medical teams aiding in COVID-19 control.

Brain Behav Immun 2020 07 7;87:25-26. Epub 2020 Apr 7.

Health Sciences Research Center, Department of Ergonomics, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran. Electronic address:

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http://dx.doi.org/10.1016/j.bbi.2020.04.006DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7141545PMC
July 2020

Performance, kinetic, and biodegradation pathway evaluation of anaerobic fixed film fixed bed reactor in removing phthalic acid esters from wastewater.

Sci Rep 2017 02 20;7:41020. Epub 2017 Feb 20.

Department of Environmental Health Engineering, Faculty of Health, Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.

Emerging and hazardous environmental pollutants like phthalic acid esters (PAEs) are one of the recent concerns worldwide. PAEs are considered to have diverse endocrine disrupting effects on human health. Industrial wastewater has been reported as an important environment with high concentrations of PAEs. In the present study, four short-chain PAEs including diallyl phthalate (DAP), diethyl phthalate (DEP), dimethyl phthalate (DMP), and phthalic acid (PA) were selected as a substrate for anaerobic fixed film fixed bed reactor (AnFFFBR). The process performances of AnFFFBR, and also its kinetic behavior, were evaluated to find the best eco-friendly phthalate from the biodegradability point of view. According to the results and kinetic coefficients, removing and mineralizing of DMP occurred at a higher rate than other phthalates. In optimum conditions 92.5, 84.41, and 80.39% of DMP, COD, and TOC were removed. DAP was found as the most bio-refractory phthalate. The second-order (Grau) model was selected as the best model for describing phthalates removal.
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http://dx.doi.org/10.1038/srep41020DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5316953PMC
February 2017