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An Ergonomic Approach to Designing an Iranian-Islamic Toilet in a Sample of Iranian Society
Mohammad Amin Mououdi, Seyedeh Fatemeh Razzaghi Pahnehkolai, Fariba Qhaempanah, Amirhossein Mahdavi, Ahmad Reza Veisi,
Volume 8, Issue 2 (Iranian Journal of Ergonomics 2020)
Abstract
Background and Aim: Two toilets in sitting-type and squatting-type (Traditional) are currently used by Iranian People. Since each of these two types has its own disadvantages and merits, this research aims to design a squatting-type toilet based on ergonomic principles to eliminate its disadvantages.
Methods: 61 subjects (29 males and 32 females) aged 19-60 years were enrolled in this study. Seven anthropometric characteristics were measured using a tape measure with an accuracy of one millimeter in these subjects. A questionnaire containing 4 questions was given to them. Each person was squatting for 2 minutes on different slopes from 0 to 20 degrees. Assessment of Localized Postural Discomfort (LPD) by asking people at 3 points of body, at different slopes, and goniometry in the areas of (A), (B) ,(C) and (D) was also performed.
Results: Based on the anthropometric characteristics of the individuals, LPD and goniometry findings in different areas of the body and dimensions of toilet in the sole position, length 32.33 and width 12.74 cm was obtained. The angle between the soles of the feet was 23.33 degrees and the required slope of the soles was 12 degrees.
Conclusion: The findings of this study suggest that modification of the sole position in squatting-type toilet and its sloping design can be effective in making users comfortable. Given the small number of studies on this type of toilet, further studies in this area, including research on specific populations such as the disabled people, children, pregnant women, the elderly, etc., are necessary.

Investigating the Effects of Organizational Socialization and Social Capital on the Responsibility of Nurses in Iran Hospitals: The Mediating Role of Work Ethics
Salim Balouch, Mohammad Razzaghi, Alireza Ghalaee,
Volume 9, Issue 3 (Iranian Journal of Ergonomics 2021)
Abstract
Background and Objectives: Nurses are one of the most important forces in a hospital. Therefore, their socialization is important to act as social capital for the hospital through sociability and to increase their responsibility as well as work ethic. Therefore, the purpose of this study was to investigate the effect of organizational socialization and social capital on responsibility with the mediating role of the organizational work ethic of Nurses at Iran Hospital, Iranshahr in Sistan & Balouchestan Province, Iran.
Methods: This research is applied in terms of purpose and descriptive correlation in terms of data collection based on structural equation modeling. The statistical population included all Nurses of Iran Hospital (550 subjects). The sample size was 218 according to the statistical population and using stratified random sampling method and Krejcie & Morgan table. Standard questionnaires of organizational socialization, social capital, responsibility and work ethics were used to collect data. The collected data were analyzed using SPSS 25 and LISREL 8.8 software.
Results: There was a positive and significant relationship between organizational socialization and social capital with work ethics. Also, the correlation coefficient between the variables of work ethics and responsibility (r = 0.39) is positive and significant. At the same time, with the mediation of work ethics, the variables of organizational socialization and social capital can predict responsibility.
Conclusion: Socialization allows nurses to gain more knowledge and skills in their work. Through socialization, nurses become a social capital for the hospital, and socialization and social capital increase work ethic, which in turn increases their responsibility.

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