Document Type : Original Articles


Department of Public Management , Payame Noor University, Tehran, Iran.


Background: The sudden outbreak of the novel coronavirus has caused a wave
of concern throughout society and among medical staff members. Consecutive
peaks, persistent stress, along with disorders caused by work shifts lead to physical
weakness and psychological complications over time. the aim of the present
study was to investigate the effect of work shifts under Covid-19 conditions on
the emotional exhaustion of medical staff members with the mediating role of
stress of Covid-19 infection.
Methods: This applied and descriptive field research was conducted crosssectionally
in 2020. The statistical population included 250 nurses from
Imam Khomeini Hospital in Amol city, Iran. A total of 150 individuals were
selected using Morgan Table and simple random sampling methods. A
standard questionnaire with confirmed validity and reliability was used as the
data collection instrument. To perform data analysis, the structural equation
modeling method was used to measure the fit of the research model and test the
hypotheses in SPSS ver. 22 and Amos ver. 22 software.
Results: The results showed that disorders caused by work shifts had a significant
effect on the emotional exhaustion and stress of Covid-19 infection in nurses on
a medical staff. Stress of Covid-19 infection had a significant effect on nurses’
emotional fatigue. The mediating role of stress of Covid-19 infection in the
relationship between work shifts and emotional exhaustion was also confirmed.
Conclusion: The transmission rates of different types of Covid-19 mutations
with consecutive peaks have caused constant stress in nurses. Related disorders
caused by work shifts and the large number of patients and hospitalizations will
lead to a lack of energy and of concentration in nurses, which in turn will lead
to poor performance, reduced quality of life, and ultimately emotional fatigue.


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