Table 1.
Variable | n (%)/M±SD | K10(M±SD) | t/F/r | P |
---|---|---|---|---|
Observations | 787 (100) | 25.41 ± 8.52 | -- | -- |
Sex | 1.461 | 0.144 | ||
Men | 153 (19.4) | 26.31 ± 9.11 | ||
Women | 634 (80.6) | 25.19 ± 8.37 | ||
Age | 33.87 ± 7.07 | -- | 0.005 | 0.885 |
BMI | 22.86 ± 4.22 | -- | −0.004 | 0.908 |
Marital status | −0.264 | 0.792 | ||
Never married | 159 (20.2) | 25.23 ± 9.83 | ||
Ever married | 628 (79.8) | 25.46 ± 8.17 | ||
Academic degree | 0.797 | 0.426 | ||
Bachelor or above | 737 (93.6) | 25.47 ± 8.43 | ||
Lower than bachelor | 50 (6.4) | 24.48 ± 9.85 | ||
Religious beliefs | −1.080 | 0.281 | ||
No | 766 (97.3) | 25.46 ± 8.51 | ||
Yes | 21 (2.7) | 23.43 ± 8.93 | ||
Professional title | −0.453 | 0.651 | ||
Intermediate and above | 400 (50.8) | 25.28 ± 8.40 | ||
Junior and below | 387 (49.2) | 25.55 ± 8.67 | ||
Appointment method | −0.421 | 0.674 | ||
Official in preparation | 211 (26.8) | 25.20 ± 8.64 | ||
Another way | 576 (73.2) | 25.49 ± 8.50 | ||
Working years in department | 11.36 ± 7.84 | -- | −0.003 | 0.931 |
Working years in Operating room | 10.67 ± 7.70 | -- | 0.006 | 0.867 |
Income/month | 0.618 | 0.603 | ||
<5000 | 130 (16.5) | 24.97 ± 10.48 | ||
5001–10,000 | 380 (48.3) | 25.69 ± 7.82 | ||
10,001–15,000 | 172 (21.9) | 24.84 ± 8.65 | ||
>15,000 | 105 (13.3) | 25.89 ± 8.12 | ||
Working days/week | 5.50 ± 0.65 | -- | 0.050 | 0.161 |
Job familiarity | 2.136 | 0.119 | ||
Extremely familiar | 380 (48.3) | 24.78 ± 8.60 | ||
Familiar | 345 (43.8) | 26.09 ± 8.22 | ||
General or below | 62 (7.9) | 25.45 ± 9.58 | ||
Sleep regularity | −6.189 | <0.001 | ||
Regular | 380 (48.3) | 23.51 ± 8.11 | ||
Irregular | 407 (51.7) | 27.19 ± 8.54 | ||
Chronic disease | 5.383 | <0.001 | ||
Yes | 177 (22.5) | 28.40 ± 8.67 | ||
No | 610 (77.5) | 24.54 ± 8.29 | ||
Sunlight exposure hours/day | -- | -- | −0.078 | 0.028 |
Abbreviations: M, mean; SD, standard deviation; K10, Kessler 10; BMI, body mass index.