Table 1: Comparison of the characteristics affecting fatigue in the recovery and non-recovery groups.
Comparison of the characteristics affecting fatigue in the recovery and non-recovery groups, calculated by unpaired t-test.
| Recovery group (n=45) | Non-recovery group (n=21) | |
| Mean | SD | Mean | SD | p-value |
| Age | 38.2 | 9.5 | 38.1 | 10.1 | 0.981 |
| The age of youngest child(age) | 3.4 | 4.4 | 7.9 | 8.5 | 0.058 |
| Years of clinical experience on the night shift | 13.2 | 9.2 | 11.5 | 10.9 | 0.515 |
| Number of children | 0.8 | 1.2 | 1.1 | 0.8 | 0.464 |
| Commuting time (min) | 22.5 | 13.4 | 21.9 | 10.9 | 0.862 |
| The degree of self-conscious fatigue | Before on a day shift | 39.1 | 27.0 | 35.0 | 24.5 | 0.558 |
| After on a day shift | 43.9 | 30.2 | 37.9 | 27.5 | 0.437 |
| Before night shift | 40.5 | 25.9 | 30.9 | 23.3 | 0.152 |
| After night shift | 52.6 | 29.9 | 50.3 | 30.7 | 0.772 |
| Before on a day shift | 33.0 | 16.9 | 30.4 | 17.6 | 0.562 |
| After on a day shift | 38.0 | 11.3 | 50.3 | 20.7 | 0.003 |
| Nap time (min) | 65.6 | 46.1 | 85.2 | 53.1 | 0.133 |
| Sleeping hour | After on a day shift (min) | 581.0 | 70.2 | 352.6 | 64.0 | 0.137 |
| Before night shift (min) | 5.06.3 | 124.5 | 425.0 | 83.6 | 0.009 |
| After night shift (min) | 468.8 | 127.6 | 433.8 | 103.6 | 0.242 |
| Rate of CSFI | Decreased vitality | 37.9 | 29.9 | 41.6 | 31.4 | 0.644 |
| General fatigue | 37.1 | 26.1 | 37.2 | 24.9 | 0.981 |
| Physical disorders | 28.3 | 22.5 | 26.5 | 22.7 | 0.774 |
| irritability | 24.1 | 24.7 | 25.9 | 28.1 | 0.801 |
| Unwillingness to work | 25.1 | 24.1 | 25.3 | 30.2 | 0.984 |
| anxiety | 35.0 | 31.5 | 19.5 | 25.6 | 0.039 |
| Depressive feeling | 35.1 | 27.4 | 24.9 | 26.7 | 0.061 |
| Chronic fatigue | 58.1 | 29.0 | 38.1 | 36.8 | 0.020 |
| The life activities of a day off | Sleeping time (min) | 501.0 | 117.4 | 432.7 | 87.7 | 0.021 |
| Eating time (min | ) 82.5 | 35.1 | 86.6 | 33.9 | 0.656 |
| Working time (min) | 18.3 | 54.1 | 44.0 | 102.4 | 0.291 |
| Housekeeping (min) | 323.1 | 201.8 | 428.8 | 209.5 | 0.055 |
| Conversation and relations (min) | 76.7 | 130.7 | 66.2 | 126.6 | 0.759 |
| Leisure (min) | 141.2 | 195.1 | 106.7 | 133.0 | 0.466 |
| Mass media (min) | 238.9 | 174.9 | 210.7 | 135.1 | 0.517 |
| Rest (min) | 58.3 | 85.2 | 64.4 | 59.3 | 0.769 |