Investigation of Mental Fatigue and Validity and Reliability its Instrument among Nursing in one of the Hospital in Kermanshah City

Mental fatigue is a cognitive status with feeling exhausted in mind, lock of energy and Loss of consciousness Associated with malfunction that caused during the cognitive activity. Nurses are most personnel in hospitals with direct responsibility for patient care. Whereas, work condition and other related factors can be influence mental fatigue in them, hence, this study aimed to Investigation of Mental Fatigue, Validity and Reliability its Instrument among nursing in one of the hospital in Kermanshah city

In this cross sectional study, 203 nurses from hospital wards were random studied. Tools for data gathering were demographics questionnaire and Mental Fatigue Scale. Data analysis performed with T-test, ANOVA and Pearson correlation coefficient statistical tests.

Mean and standard deviation of Mental Fatigue Scale was 13.24±7.21 and 20.7% of nurses have not mental fatigue, 67% of theirs experienced slight mental fatigue, 11.8% fairly serious and 0.5% of participants have reported serious mental fatigue. Reliability coefficient of mental fatigue scale is obtained 0.72 and 0.82 using retest and Cronbach's alpha respectively. There were significant relationship between mental fatigue score with number of shifts per month and shift work.

Most nurses had slight mental fatigue. The questionnaire of mental fatigue scale has a good reliability and validity and can be used in similar studies. It suggested decreasing number of shifts in month to prevent of mental fatigue by increase number of nurses.