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对消化性溃疡（ＰＵ）患病危险因素的配比研究结果表明，单因素分析筛选出ＰＵ家族史、慢性萎缩性胃炎（ＣＡＧ）家族史、进餐无定时，晚睡前饮食、偏咸口味、吸烟、Ａ型性格、偏硬饮食８个变量与ＰＵ有显著性联系，其中吸烟与ＰＵ患病危险呈剂量反应关系。同时将筛选出的８个变量引入Ｌｏｇｉｓｔｉｃ回归模型分析，提示５个变量为ＰＵ患病的主要危险因素：ＰＵ家族史（ＯＲ＝５．５５）、进餐无定时（ＯＲ＝２．５９７）、偏咸口味（ＯＲ＝１．８５）、睡前饮食（ＯＲ＝１．６６）、吸烟（ＯＲ＝１．３６）。
The results of proportioning study on risk factors of peptic ulcer (PU) showed that family history of PU, family history of chronic atrophic gastritis (CAG), no mealtime, diet before going to bed, salty taste, Smoking, type A personality, partial hard diet eight variables were significantly associated with the PU, which smoking and PU risk of a dose-response relationship. At the same time, the eight variables selected were introduced into the Logistic regression model analysis, suggesting that the five variables are the main risk factors for PU prevalence: PU family history (OR = 5.55), no mealtime (OR = 2.597) Salty taste (OR = 1.85), bedtime diet (OR = 1.66) and smoking (OR = 1.36).