Table 1. Demographic characteristics of BE cases and controls.
| Characteristic | BE | Control | p-value |
|---|---|---|---|
| (n = 161) | (n = 644) | ||
| Age(yrs) (mean ± s.d.) | 53.8±13.7 | 53.7±13.6 | 0.95 |
| Sex (male) (n, %) | 122 (75.8) | 488 (75.8) | 1.0 |
| BMI (kg/m2) (mean ± s.d.) | 25.2±3.6 | 24.3±3.5 | 0.006* |
| Obesity (BMI≥ 27) (n, %) | 42(26.1) | 135 (21.0) | 0.16 |
| Waist (cm) (mean ± s.d.) | 87.5±10.1 | 82.7±10.0 | <0.001* |
| Central Obesity (n, %) | 84 (52.2) | 189 (29.3) | <0.001* |
| Alcohol use (n, %) | 61 (37.9) | 213 (33.1) | 0.25 |
| Smoking (n, %) | 46 (28.6) | 192 (29.8) | 0.76 |
| MetS (%) | 32/78 (41.0) | 155 (24.1) | 0.05* |
| ERD (n,%) | 97 (60.2) | 0 (0) | <0.001 |
| Hiatal hernia (n, %) | 17 (10.6) | 0 (0) | <0.001 |
| GERD symptoms | 104 (64.6) | NA | |
| H. pylori infection (n, %) | 42/148 (28.4) | 261/588(44.4) | <0.001 |
BE, Barrett's esophagus; BMI, body mass index; MetS, metabolic syndrome; ERD, erosive reflux disease; GERD, gastroesophageal reflux disease