Table 3.
Independent risk factors for the presence of peptic ulcer disease in asymptomatic subjects1
| Risk factors | Coefficient | SE | OR (95% CI) | P value |
| Peptic ulcer history | 0.686 | 0.199 | 1.99 (1.34-2.93) | 0.001 |
| Education ( yr ) | ||||
| 10-12 | -0.704 | 0.247 | 0.49 (0.31-0.80) | 0.04 |
| > 12 | -0.562 | 0.265 | 0.57 (0.34-0.96) | 0.034 |
| Current smoker | 0.960 | 0.263 | 2.61 (1.56-4.38) | < 0.001 |
| BMI (kg/m2) | ||||
| > 25 | 0.404 | 0.203 | 1.49 (1.01-2.23) | .046 |
| > 30 | 1.292 | 0.443 | 3.64 (1.53-8.68) | 0.004 |
OR: Odds ratio; BMI: Body mass index, indicating weight in kg divided by body surface area. 1Analysis for sex, education level, BMI, peptic ulcer history, smoking and betel nut consumption; CI: Confidence interval.