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Table 10 Correlation between stress and sleep disturbance, total score, and sub-scales

From: Work stress and sleep disturbances among internship nursing students

Sleep Stree Subjective sleep quality Sleep latency Actual sleep duration Habitual sleep efficiency Sleep disturbances Use of sleeping medications Day time dysfunction Total PSQI
Death and dying R 0.116 0.064 − 0.065 0.138 0.081 0.144 − 0.099 0.092
P 0.263 0.535 0.533 0.184 0.435 0.165 0.341 0.373
Conflicts with physicians R − 0.051 − 0.116 − 0.15 0.076 0.003 − 0.037 0.057 − 0.094
P 0.627 0. 262 0.147 0.464 0.981 0.72 0.586 0.364
Inadequate emotional preparation R 0.04 0.017 0.073 0.039 0.044 0.132 0.026 0.06
P 0.7 0.873 0.483 0.71 0.67 0.202 0.799 0.564
Problems related to the supervisor R − 0.075 0.091 0.003 0.201 − 0.072 − 0.048 0.029 0.027
P 0.475 0.386 0.975 0.052 0.492 0.649 0.778 0.797
Problems related to peers R − 0.226 − 0.049 0.014 0.231 − 0.119 − 0.043 0.116 0.026
P 0.028 0.64 0.89 0.024 0.253 0.681 0.263 0.805
Workload R − 0.079 0.012 0.048 0.304 − 0.044 0.07 0.056 0.066
P 0.45 0.909 0.649 0.003 0.672 0.504 0.59 0.528
Uncertainty regarding treatment R − 0.08 0.088 − 0.03 0.253 − 0.04 − 0.071 0.113 0.052
  P 0.44 0.398 0.74 0.013 0.7 0.496 0.275 0.617
Patients and their families R 0.016 − 0.035 0.226 0.313 − 0.109 − 0.1 − 0.024 0.078
P 0.88 0.735 0.027 0.02 0.295 0.927 0.816 0.454
Discrimination R 0.078 − 0.071 0.098 0.205 − 0.021 0.105 0.195 0.164
P 0.455 0.495 0.347 0.046 0.839 0.31 0.058 0.113
Total ENSS R − 0.096 0.028 − 0.029 0.262 − 0.034 0.011 0.052 0.115
P 0.353 0.791 0.782 0.01 0.745 0.914 0.614 0.269
  1. Greater number of patients a nurse cares for increases the nursing stress
  2. Greater number and duration of shifts worsen sleep. Demanding patients and their families lessen the actual sleep duration of nurses
  3. Demanding patients and their families, workload, discrimination, and uncertainty regarding treatment lessen is the habitual sleep efficiency of nurses. Problems related to peers worsen sleep quality
  4. Boldface indicates statistical significance