Physical Activity, Energy Expenditure, Nutritional Habits, Quality of Sleep and Stress Levels in Shift-Working Health Care Personnel
Fig 5
Percentage of employees with disturbed sleeping quality due to Pittsburgh-Sleeping-Quality-Index (PSQI).
All test subjects with PSQI-score>5 in groups and subgroups were labelled as having a disturbed sleeping quality. NG, non-shift-working group; SG, shift-working group; SN, shift-working nursing-staff subgroup; NO, non-shift-working office-staff subgroup; NN, non-shift-working nursing-staff subgroup.