Table 1.
Baseline characteristics of subjects according to development of EE at follow-up (n=7,123)
| Characteristic | Development of EE (n=276) | No development of EE (n=6,847) | P-value* |
|---|---|---|---|
| Age (y) | 50.8±6.8 | 50.1±6.5 | 0.09 |
| Sex | |||
| Men | 260 (94.2) | 5,633 (82.3) | <0.001 |
| Women | 16 (5.8) | 1,214 (17.7) | |
| Body mass index (kg/m2) | |||
| 2012 | 24.3±2.5 | 23.7±2.6 | <0.001 |
| 2014 | 24.9±2.7 | 24.0±2.7 | <0.001 |
| Waist circumference (cm) | |||
| 2012 | 86.4±6.7 | 84.4±6.9 | <0.001 |
| 2014 | 87.1±6.9 | 84.4±7.0 | <0.001 |
| Smoking status | |||
| Never | 57 (20.6) | 2,531 (37.0) | <0.001 |
| Former | 117 (42.4) | 2,565 (37.4) | |
| Current | 102 (37.0) | 1,751 (25.6) | |
| Alcohol consumption (g/wk) | |||
| ≤69 | 185 (67.0) | 5,028 (73.4) | 0.052 |
| 70–139 | 54 (19.6) | 1,025 (15.0) | |
| ≥140 | 37 (13.4) | 794 (11.6) | |
| Physical activity | |||
| Low | 184 (66.7) | 4,652 (67.9) | 0.86 |
| Moderate | 63 (22.8) | 1,537 (22.5) | |
| High | 29 (10.5) | 658 (9.6) | |
| Education (y) | |||
| ≤9 | 45 (16.3) | 1,079 (15.8) | 0.84 |
| 10–12 | 125 (45.3) | 3,017 (44.0) | |
| ≥13 | 106 (38.4) | 2,751 (40.2) | |
| Marital status | |||
| Single | 11 (4.0) | 270 (3.9) | 0.972 |
| Married | 265 (96.0) | 6,577 (96.1) | |
| Helicobacter pylori | |||
| Negative | 150 (54.4) | 2,321 (33.9) | <0.001 |
| Positive | 126 (45.6) | 4,526 (66.1) |
Values are presented as mean±standard deviation or number (%).
EE, erosive esophagitis.
*
By Student t-test for comparison of continuous variables, and chi-square test for comparison of categorical variables.