Results of Wilcoxon rank-sum test and descriptive statistics
| Factors | Urban versus suburban | Urban | Suburban |
| Wilcoxon rank-sum test (p value) | Mean±SD | Mean±SD | |
| Interruptions | 0 | 4.069±0.802 | 3.267±0.690 |
| Patient care | 0.327 | 3.822±1.059 | 3.962±0.820 |
| Multitasking | 0 | 4.091±0.729 | 3.670±0.542 |
| Personal/social activities in night shifts | 0 | 3.197±0.598 | 3.685±0.516 |
| Task switching | 0.188 | 4.137±1.074 | 4.295±0.929 |
| Task break-in | 0.004 | 3.632±1.111 | 4.029±0.853 |
| Resumption of task | 0.623 | 3.906±1.122 | 3.971±0.975 |
| Professional communication | 0 | 3.280±0.885 | 3.776±0.759 |
| Waiting | 0 | 3.521±1.171 | 4.152±0.830 |
| Breaks | 0.013 | 3.675±1.279 | 3.981±1.126 |
| Information exchange | 0.452 | 4.127±1.034 | 4.229±0.846 |
| Social/Personal tasks | 0.019 | 2.559±1.034 | 3.000±1.359 |
| Overtime | 0 | 3.511±0.657 | 3.867±0.595 |
| Effect of number of patients | 0.169 | 4.328±0.463 | 4.210±0.499 |
| Effect of relevant patients | 0.43 | 4.269±0.503 | 4.200±0.524 |
| Effect of working hours | 0.114 | 4.319±0.573 | 4.202±0.493 |
| Effect of frequent breaks | 0.143 | 4.088±0.763 | 3.897±0.826 |
| Effect of visual and auditory distractions | 0.995 | 1.806±0.850 | 1.781±0.697 |
| Effect of multitasking | 0.925 | 1.682±0.666 | 1.656±0.503 |
| Effect of interruptions | 0.691 | 1.485±0.521 | 1.514±0.5229 |