Table 4.
Gastric cancer screening prevalence by education level, age and income subgroups
| Controls (n = 2842) | Non-gastric cancer relatives (n = 454) | Gastric cancer relatives (n = 261) | |
| Education level | |||
| Elementary | |||
| n (%) | 322 (29.2) | 37 (32.5) | 27 (35.1) |
| aOR (95% CI)1 | 1 (referent) | 0.93 (0.57, 1.51) | 1.59 (0.85, 2.96) |
| Middle and higher | |||
| n (%) | 572 (34.3) | 125 (38.9) | 73 (41) |
| aOR (95% CI)1 | 1 (referent) | 1.13 (0.82, 1.55) | 1.36 (0.97, 1.92) |
| Age group (yr) | |||
| 40-59 | |||
| n (% | 585 (34.5) | 118 (37.7) | 78 (42.4) |
| aOR (95% CI)1 | 1 (referent) | 1.11 (0.82, 1.49) | 1.53 (1.07, 2.17)a |
| ≥ 60 | |||
| n (%) | 309 (28.8) | 44 (36.1) | 22 (31) |
| aOR (95% CI)1 | 1 (referent) | 0.99 (0.57, 1.69) | 1.08 (0.59, 1.98) |
| Income (US $/mo) | |||
| < 1000 | |||
| n (%) | 214 (27.1) | 22 (26.2) | 8 (17) |
| aOR (95% CI)1 | 1 (referent) | 0.86 (0.47, 1.57) | 0.70 (0.28, 1.77) |
| 1000-5000 | |||
| n (%) | 580 (32.8) | 113 (37.7) | 79 (41.8) |
| aOR (95% CI)1 | 1 (referent) | 1.16 (0.84, 1.60) | 1.56 (1.10, 2.21)a |
| ≥ 5000 | |||
| n (%) | 100 (47.4) | 27 (53.0) | 13 (68.4) |
| aOR (95% CI)1 | 1 (referent) | 1.02 (0.46, 2.26) | 2.70 (0.82, 8.88) |
a
P < 0.05.
1
Adjusted odds ratios (aOR) were calculated via multiple logistic regression.