Table 5.
Association between variables determined using univariate analysis: GERD (n = 701) vs non-GERD (n = 1530) patients
| Variables | GERD n (%) | P value | OR |
Univariate (95% CI) |
|
| Low | High | ||||
| Age (yr) | |||||
| > 65 | 106/239 (44.40) | < 0.0001 | 0.53 | 0.41 | 0.70 |
| ≤ 65 | 595/1992 (29.90) | ||||
| Gender | |||||
| Male | 439/1263 (34.80) | < 0.0001 | 0.7 | 0.58 | 0.84 |
| Female | 262/968 (27.10) | ||||
| Working burden | |||||
| Heavy | 64/147 (43.50) | 0.694 | 1.04 | 0.86 | 1.27 |
| Moderate | 299/975 (30.70) | 0.004 | 0.6 | 0.42 | 0.85 |
| Mild | 282/895 (31.50) | ||||
| Marital status | |||||
| Divorced/ widowed | 6/14 (42.90) | < 0.0001 | 2.05 | 1.49 | 2.82 |
| Single | 52/261 (19.90) | 0.478 | 0.68 | 0.24 | 1.97 |
| Married | 592/1752 (33.80) | ||||
| Excessive eating | |||||
| Yes | 245/704 (34.80) | 0.009 | 0.77 | 0.63 | 0.94 |
| No | 372/1276 (29.20) | ||||
| Routine intake of greasy food | |||||
| Yes | 231/618 (37.40) | < 0.0001 | 0.65 | 0.53 | 0.80 |
| No | 375/1347 (27.80) | ||||
| Routine intake of spicy food | |||||
| Yes | 196/512 (38.30) | < 0.0001 | 0.65 | 0.52 | 0.80 |
| No | 418/1463 (28.60) | ||||
| Routine intake of acidic beverage | |||||
| Yes | 118/358 (33.00) | 0.403 | 0.90 | 0.71 | 1.15 |
| No | 493/1606 (30.70) | ||||
| Routine intake of strong tea | |||||
| Yes | 149/343 (43.40) | < 0.0001 | 0.51 | 0.4 | 0.64 |
| No | 451/1613 (28.00) | ||||
| Routine intake of sweet food | |||||
| Yes | 225/683 (32.90) | 0.122 | 0.85 | 0.70 | 1.04 |
| No | 375/1269 (29.60) | ||||
| Heavy smoking | |||||
| Yes | 209/562 (37.20) | < 0.0001 | 0.68 | 0.55 | 0.83 |
| No | 407/1426 (28.50) | ||||
| Excessive alcohol | |||||
| Yes | 185/503 (36.80) | 0.002 | 0.71 | 0.57 | 0.88 |
| No | 434/1486 (29.20) | ||||
| Routine intake of coffee | |||||
| Yes | 26/77 (33.80) | 0.529 | 0.86 | 0.53 | 1.39 |
| No | 568/1869 (30.40) | ||||
| Constipation | |||||
| Yes | 122/316 (38.60) | 0.002 | 0.68 | 0.53 | 0.87 |
| No | 489/1641 (29.80) | ||||
GERD: Gastroesophageal reflux disease.