Table 5.
Factors associated with functional gastrointestinal disorders.
| Characteristics | No FGID (%) (n = 129) | Any FGIDs (%) (n = 83) | P | OR (95% CI) | 
|---|---|---|---|---|
| Age (years) | ||||
| < 35 | 89 (70.08) | 38 (29.92) | < 0.01 | |
| ≥ 35 | 40 (47.06) | 45 (52.94) | ||
| Race | ||||
| Han | 111 (59.68) | 75 (40.32) | 0.35 | |
| The other | 18 (69.23) | 8 (30.77) | ||
| BMI (kg/m2) | ||||
| 18.5–24.9 | 80 (66.13) | 68 (69.88) | 0.35 | |
| ≥ 25 | 39 (33.87) | 25 (30.12) | ||
| Marital status | ||||
| Single | 30 (71.43) | 12 (28.57) | 0.12 | |
| Married | 99 (59.24) | 71 (41.76) | ||
| Education | ||||
| University | 129 (61.43) | 81 (38.57) | 0.07 | |
| Postgraduate | 0 | 2 (100.00) | ||
| Alcohol | ||||
| No | 79 (64.23) | 44 (35.77) | 0.41 | |
| Yes | 37 (54.51) | 31 (45.59) | ||
| Cessation | 13 (61.90) | 8 (38.10) | ||
| Smoke | ||||
| No | 62 (61.39) | 39 (38.61) | 1.00 | |
| Yes | 63 (60.58) | 41 (39.42) | ||
| Cessation | 4 (57.14) | 3 (42.86) | ||
| Flight level | ||||
| Captain | 10 (40.00) | 15 (60.00) | < 0.01 | 0.59 (0.31, 0.80) | 
| First officer | 42 (54.55) | 35 (45.45) | ||
| Second officer | 23 (54.76) | 19 (45.24) | ||
| Pilot cadet | 54 (79.41) | 14 (20.59) | ||
| Flight time per month | ||||
| < 10 h | 37 (71.15) | 15 (28.85) | 0.03 | |
| 10–19 h | 57 (64.04) | 32 (35.96) | ||
| ≥ 20 h | 35 (49.30) | 36 (50.70) | ||
| Long voyage frequency per month | ||||
| 0 | 62 (59.05) | 43 (40.95) | 0.29 | |
| 1–2 times | 48 (67.61) | 23 (32.39) | ||
| 3–4 times | 19 (52.78) | 17 (47.22) | ||
| Vegetarian pattern | ||||
| < P33.3 | 52 (56.52) | 40 (43.48) | 0.22 | |
| P33.3–P66.6 | 35 (58.33) | 25 (41.67) | ||
| > P66.6 | 42 (70.00) | 18 (30.00) | ||
| High-salt food pattern | ||||
| < P33.3 | 59 (80.82) | 14 (19.18) | < 0.01 | 2.31 (1.28, 4.16) | 
| P33.3–P66.6 | 39 (57.35) | 29 (42.65) | ||
| > P66.6 | 31 (43.66) | 40 (56.34) | ||
| Starch food pattern | ||||
| < P33.3 | 48 (55.17) | 39 (44.83) | 0.27 | |
| P33.3–P66.6 | 50 (67.57) | 24 (32.43) | ||
| > P66.6 | 31 (60.78) | 20 (39.22) | ||
| Protein food pattern | ||||
| < P33.3 | 50 (56.18) | 39 (43.82) | 0.26 | |
| P33.3–P66.6 | 48 (68.57) | 22 (31.43) | ||
| > P66.6 | 31 (58.49) | 22 (41.51) | ||
| Anxiety | ||||
| Yes | 8 (32.00) | 17 (68.00) | < 0.01 | |
| No | 121 (64.71) | 66 (35.29) | ||
| Depression | ||||
| Yes | 39 (54.17) | 33 (45.83) | 0.15 | |
| No | 90 (64.29) | 50 (35.71) | ||
| Physical activity | ||||
| Low | 15 (75.00) | 5 (25.00) | 0.39 | |
| Median | 49 (59.76) | 26 (40.24) | ||
| High | 65 (59.09) | 45 (40.91) | ||
| Sleep performance | ||||
| Sleep quality (PSQI score: 1–5) | 6 (50.00) | 6 (50.00) | < 0.01 | 2.39 (1.11, 5.14) | 
| Sleep latency (PSQI score: 6–10) | 52 (80.00) | 13 (20.00) | ||
| Sleep duration (PSQI score: 11–15) | 69 (53.49) | 60 (46.51) | ||
| Sleep disturbance (PSQI score: 16–21) | 2 (33.33) | 4 (66.67) | ||
aOR was obtained from stepwise logistic regression analysis.