Table 1.
Demographic characteristic of the study participants.
| Characteristics | Description |
|---|---|
| Age (years) | 33.83 ± 7.05 |
| BMI (kg/m2) | 23.84 ± 2.35 |
| Race | |
| Han | 186 (87.74) |
| Minority | 26 (12.26) |
| Marital status | |
| Single | 44 (20.75) |
| Married | 168 (79.25) |
| Education | |
| University | 210 (99.02) |
| Postgraduate | 2 (0.98) |
| Alcohol | |
| No | 123 (57.75) |
| Yes | 68 (31.92) |
| Cessation | 21 (9.86) |
| Smoke | |
| No | 101 (47.41) |
| Yes | 104 (48.83) |
| Cessation | 7 (3.29) |
| Flight level | |
| Captain | 25 (11.79) |
| First officer | 77 (36.32) |
| Second officer | 42 (19.81) |
| Pilot cadet | 68 (32.08) |
| Flight hours within 1 month | |
| < 10 | 52 (24.51) |
| 10–19 | 89 (42.16) |
| ≥ 20 | 71 (33.33) |
| Day flight hours within 1 month | |
| < 10 | 104 (49.02) |
| ≥ 10 | 108 (50.98) |
| Night flight hours within 1 month | |
| < 10 | 170 (80.39) |
| ≥ 10 | 42 (19.61) |
| Long voyage (≥ 8 h) frequency within 1 month | |
| 0 | 105 (49.53) |
| 1–2 | 71 (33.49) |
| 3–4 | 36 (16.98) |
Continuous variables were expressed by mean ± standard deviation and categorical variables were expressed by numbers (percentages).