Table 2.
Odds ratios (ORs)* of erosive esophagitis (EE) according to night-shift work and associated risk factors among 6040 male shipyard workers
| Characteristics | EE (+) (n = 530) |
EE (−) (n = 5510) |
Adjusted OR (95 % CI)*† |
|---|---|---|---|
| Night-shift work | |||
| No | 477 (90.0) | 5101 (92.6) | 1 |
| Yes | 53 (10.0) | 409 (7.4) | 1.41 (1.03–1.94) |
| Age (year) | |||
| 30–44 | 139 (26.2) | 1273 (23.1) | 1 |
| 45–54 | 177 (33.4) | 2093 (38.0) | 0.89 (0.70–1.14) |
| 55–59 | 214 (40.4) | 2144 (38.9) | 1.10 (0.85–1.43) |
| BMI (kg/m2) | |||
| ≤ 22.9 | 135 (25.5) | 1929 (35.0) | 1 |
| 23.0–24.9 | 164 (30.9) | 1757 (31.9) | 1.31 (1.03–1.67) |
| ≥ 25.0 | 231 (43.6) | 1824 (33.1) | 1.76 (1.40–2.21) |
| Smoking, n (%) | |||
| Never | 74 (14.0) | 1319 (23.9) | 1 |
| Former | 221 (41.7) | 2408 (43.7) | 1.48 (1.12–1.95) |
| Current | 235 (44.3) | 1783 (32.4) | 1.97 (1.49–2.62) |
| Alcohol consumption (g/week), n (%) | |||
| ≤ 69 | 216 (40.8) | 2810 (51.0) | 1 |
| 70–139 | 106 (20.0) | 1123 (20.4) | 1.10 (0.86–1.41) |
| ≥140 | 208 (39.2) | 1577 (28.6) | 1.51 (1.22–1.87) |
| Education (y), n (%) | |||
| ≤ 9 | 115 (21.7) | 983 (17.8) | 1 |
| 10–12 | 219 (41.3) | 2478 (45.0) | 0.75 (0.58–0.97) |
| ≥13 | 196 (37.0) | 2049 (37.2) | 0.82 (0.61–1.08) |
| Marital status, n (%) | |||
| Married | 503 (94.9) | 5322 (96.6) | 1 |
| Single | 27 (5.1) | 188 (3.4) | 1.40 (0.91–2.16) |
| Helicobacter pylori, n (%) | |||
| Negative | 329 (62.1) | 1775 (32.2) | 1 |
| Positive | 201 (37.9) | 3735 (67.8) | 0.29 (0.24–0.35) |
BMI body mass index, WC waist circumference
* Using logistic regression
†Adjusted for age, body mass index, waist circumference, smoking, alcohol consumption, education level, marital status, and Helicobacter pylori