Volume 11, Issue 2 (11-2013)                   sjsph 2013, 11(2): 87-96 | Back to browse issues page

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Mohammadi M, Mazloumi A, Nasl seraji J, Zeraati H. Designing questionnaire of assessing mental workload and determine its validity and reliability among ICUs nurses in one of the TUMS’s hospitals. sjsph 2013; 11 (2) :87-96
URL: http://sjsph.tums.ac.ir/article-1-5043-en.html
Designing questionnaire of assessing mental workload and determine its validity and reliability among ICUs nurses in one of the TUMS’s hospitals
Mohsen Mohammadi1 , Adel Mazloumi * 2, Jebraiel Nasl seraji3 , Hojjat Zeraati4
1- MSc. Student, Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
2- Ph.D. Assistant Professor, Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran , amazlomi@sina.tums.ac.ir
3- Ph.D. Professor, Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
4- Ph.D. Associate Professor, Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
Abstract:   (17502 Views)

  Background and Aim: One of the most important problems in intensive care unit is high nursing workload. High workload may lead to increased human errors, compromised quality and safety of care, and reducing quality of working life. The purpose of this study provides valid and reliable tools to assess the mental workload of the ICU nurses and also identify inducing factors that will create workload.

  Materials and Methods: This study had two phases. 1- Determine the face validity and reliability of the NASA-TLX (to assess the workload) by Backward Translation method and Cronbach's alpha method. 2–Designing the performance obstacles and facilitators questionnaire by interview and pilot study.

  Results: Face validity and reliability of NASA-TLX method was confirmed (α=0.897). The performance obstacles and facilitators questionnaire for ICU nurses provides in 53 questions and 10 subscales. Relevancy is 97% and Clarity is 96%. Overall, 90% of nurses assessment comprehensiveness of the questionnaire was very comprehensive and comprehensive.

  Conclusion : According to the results, can be used NASA-TLX method and the performance obstacles and facilitators questionnaire to assess workload of ICU nurses.

Keywords: Mental workload, NASA-TLX method, ICU nursing, Performance obstacles, Performance facilitator
Full-Text [PDF 157 kb]   (6161 Downloads)    
Type of Study: Research | Subject: Public Health
Received: 2012/02/12 | Accepted: 2012/09/18 | Published: 2013/11/12
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