Comparison of risk for PUD between four subgroups of HCWs (unconditional logistic regression).

HCWs, healthcare workers; PUD, peptic ulcer disease; OR, odds ratio; CI, confidence interval; DM, diabetes mellitus; HTN, hypertension; CAD, coronary artery disease. *P < 0.05. **P < 0.001. Comparison of risk for PUD between four subgroups of HCWs (unconditional logistic regression).