Prevalence and risk factors of asymptomatic peptic ulcer disease in Taiwan

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.