Table 2.

Logistic regression for UGI, endoscopy, or any test in the previous 2 y

CharacteristicsModel 1: UGI* (n = 1,625)
Model 2: endoscopy (n = 1,625)
Model 3: any test (n = 1,625)
aOR (95% CI)aOR (95% CI)aOR (95% CI)
Gender
    Male1.00 (reference)1.00 (reference)1.00 (reference)
    Female1.33 (0.85-2.10)0.75 (0.54-1.05)0.86 (0.62-1.19)
Age (y)
    40-490.88 (0.61-1.28)0.78 (0.59-1.03)0.75 (0.57-0.98)
    50-591.00 (reference)1.00 (reference)1.00 (reference)
    60-691.51 (1.03-2.23)1.23 (0.90-1.68)1.38 (1.01-1.87)
    ≥700.76 (0.41-1.44)0.88 (0.56-1.39)0.82 (0.53-1.26)
Education (y)
    Did not complete high school1.00 (reference)1.00 (reference)1.00 (reference)
    High school graduate or more0.91 (0.64-1.31)0.92 (0.70-1.22)0.88 (0.67-1.15)
Monthly household income (US$)
    <2,0001.00 (reference)1.00 (reference)1.00 (reference)
    2,000-2,9990.93 (0.64-1.35)1.01 (0.75-1.34)0.89 (0.68-1.18)
    ≥3,0001.00 (0.69-1.46)1.42 (1.07-1.89)1.16 (0.88-1.54)
Previous health checkup
    No (missing/don't know)1.00 (reference)1.00 (reference)1.00 (reference)
    Yes3.65 (2.43-5.49)3.26 (2.49-4.27)4.12 (3.21-5.30)
Family history for gastric cancer
    No1.00 (reference)1.00 (reference)1.00 (reference)
    Yes0.66 (0.27-1.57)2.05 (1.17-3.60)1.53 (0.86-2.70)
Smoking status
    Current smoker1.00 (reference)1.00 (reference)1.00 (reference)
    Ex-smoker0.77 (0.45-1.29)1.29 (0.88-1.88)1.20 (0.83-1.73)
    Nonsmoker0.86 (0.53-1.38)1.65 (1.16-2.36)1.69 (1.19-2.38)
Alcohol consumption
    None in the past 30 d1.00 (reference)1.00 (reference)1.00 (reference)
    Once a week or less0.90 (0.61-1.33)0.86 (0.64-1.16)0.90 (0.68-1.20)
    Two or 3 d per week0.90 (0.56-1.43)0.96 (0.67-1.36)1.08 (0.77-1.52)
    Four or more days per week1.05 (0.62-1.76)1.02 (0.69-1.51)1.03 (0.71-1.52)
  • Abbreviations: aOR, adjusted odds ratio; 95% CI, 95% confidence interval.

  • * Individuals had undergone a UGI test in the previous 2 y.

  • Individuals had undergone an endoscopy test in the previous 2 y.

  • Individuals had undergone either a UGI or endoscopy, or both tests in the previous 2 y. The number screened does not equal the sum of participants (i.e., individuals may have had more than one test).