Table 1.
Overall patient baseline (N = 518).
| Variable | Number of cases/composition ratio |
|---|---|
| Sex | |
| Male | 224 (43.24%) |
| Female | 294 (56.76%) |
| Marriage | |
| Unmarried | 25 (4.83%) |
| Married | 493 (95.17%) |
| Educational level | |
| Junior high school and below | 266 (51.35%) |
| High school or junior college | 117 (22.59%) |
| University and above | 135 (26.06%) |
| Alcohol consumption | |
| No | 454 (87.64%) |
| Yes | 64 (12.36%) |
| Smoking | |
| No | 441 (85.14%) |
| Yes | 77 (14.86%) |
| Coffee | |
| No | 478 (92.28%) |
| Yes | 40 (7.72%) |
| Strong tea | |
| No | 450 (86.87%) |
| Yes | 68 (13.13%) |
| Infected with Helicobacter pylori (HP) | |
| Not infected | 323 (62.36%) |
| Infected (including being infected) | 195 (37.64%) |
| Diagnostic subgroup | |
| Physiologic reflux | 275 (53.09%) |
| NERD | 158 (30.5%) |
| RE | 85 (16.41%) |
NERD non-erosive reflux disease, RE reflux esophagitis.