Table 1 General and occupational characteristics of study participants*
| Variables | Work schedule group (n = 244) | p-value† | ||
|---|---|---|---|---|
|
Daytime (n = 112) |
Former shift (n = 46) |
Current shift (n = 86) | ||
| Age (years) | 32.2 ± 4.3 | 32.9 ± 2.9 | 33.3 ± 3.5 | 0.091 |
| Marital status | ||||
| Married | 62(55.4) | 28(60.9) | 57(66.3) | 0.296 |
| Other | 50(44.6) | 18(39.1) | 29(33.7) | |
| Education level (years) | ||||
| ≤ 12 | 8(7.1) | 9(19.6) | 22(25.6) | 0.002 |
| > 12 | 104(92.9) | 37(80.4) | 64(74.4) | |
| Alcohol consumption | ||||
| Non-Drinker | 23(20.5) | 6(13.0) | 18(20.9) | 0.493 |
| Drinker | 89(79.5) | 40(87.0) | 68(79.1) | |
| Smoking | ||||
| No | 100(89.3) | 37(80.4) | 64(74.4) | 0.023 |
| Yes | 12(10.7) | 9(19.6) | 22(25.6) | |
| Regular exercise | ||||
| No | 9(8.0) | 5(10.9) | 11(12.8) | 0.543 |
| Yes | 103(92.0) | 41(89.1) | 75(87.2) | |
| Sleep duration (hours/day) | 6.33 ± 0.92 | 6.25 ± 1.04 | 6.47 ± 0.93 | 0.381 |
| Sleep debt (hours/day) | 1.21a ± 0.93 | 1.39 ± 0.91 | 1.56a ± 1.01 | 0.037 |
| Sleep insufficiency (days/week) | 1.47a ± 1.43 | 1.81 ± 1.75 | 2.07a ± 1.43 | 0.019 |
| Weekly work hours | ||||
| < 48 | 25(22.3) | 12(26.1) | 13(15.1) | 0.267 |
| ≥ 48 | 87(77.7) | 34(73.9) | 73(84.9) | |