2022: Two-year Impact Factor: 4.4
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CiteScore (2022): 5.3
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Open Access

Health Promot Perspect. 2015;5(4): 280-287.
doi: 10.15171/hpp.2015.033
PMID: 26933647
PMCID: PMC4772798
  Abstract View: 2438
  PDF Download: 1615

Original Research

Evaluation of Mental Workload among ICU Ward's Nurses

Mohsen Mohammadi 1, Adel Mazloumi 1*, Zeinab Kazemi 1, Hojat Zeraati 2

1 Department of Occupational Health Engineering, Tehran University of Medical Sciences, Tehran, Iran
2 Department of Epidemiology and Biostatistics, Tehran University of Medical Sciences, Tehran, Iran
*Corresponding Author: Email: amazlomi@tums.ac.ir


Background: High level of workload has been identified among stressors of nurses in intensive care units (ICUs). The present study investigated nursing workload and identified its influencing perfor­mance obstacles in ICUs.
Methods: This cross-sectional study was conducted, in 2013, on 81 nurses working in ICUs in Imam Khomeini Hospital in Tehran, Iran. NASA-TLX was applied for assessment of workload. Moreover, ICUs Performance Obstacles Questionnaire was used to identify performance obstacles associated with ICU nursing.
Results: Physical demand (mean=84.17) was perceived as the most important dimensions of workload by nurses. The most critical performance obstacles affecting workload included: difficulty in finding a place to sit down, hectic workplace, disorganized workplace, poor-conditioned equipment, waiting for using a piece of equipment, spending much time seeking for supplies in the central stock, poor quality of medical materials, delay in getting medications, unpredicted problems, disorganized central stock, outpatient surgery, spending much time dealing with family needs, late, inadequate, and useless help from nurse assistants, and ineffective morning rounds (P-value<0.05).
Conclusion: Various performance obstacles are correlated with nurses' workload, affirms the signifi­cance of nursing work system characteristics. Interventions are recommended based on the results of this study in the work settings of nurses in ICUs.

Intensive care units, Mental workload, NASA-TLX, Nurses, Performance obstacles
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Submitted: 31 Aug 2015
Accepted: 06 Dec 2015
ePublished: 30 Jan 2016
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