Table 3.
Prevalence of cancer screening n (%)
| Controls (n = 2842) | Non-gastric cancer relatives (n = 454) | Gastric cancer relatives (n = 261) | |
| Stomach cancer screening (within 2 yr) | |||
| Crude rate | 894 (32.3) | 162 (37.2) | 100 (39.2) |
| Adjusted rate (%, 95% CI)2 | 32.2 (30.5, 34.0) | 35.2 (30.8, 39.8) | 38.1 (32.3, 44.2) |
| Crude OR (95% CI) | 1 (referent) | 1.16 (0.89, 1.50) | 1.47 (1.08, 2.00)a |
| Adjusted OR (95% CI)1 | 1 (referent) | 1.08 (0.83, 1.41) | 1.43 (1.05, 1.95)a |
| Breast cancer screening (within 2 yr) | |||
| Crude rate | 456 (29.6) | 102 (40.8) | 61 (40.9) |
| Adjusted rate (%, 95% CI)2 | 28.9 (26.7, 31.4) | 36.5 (30.7, 42.8) | 38.5 (31.0, 46.7) |
| Crude OR (95% CI) | 1 (referent) | 1.68 (1.21, 2.33)a | 1.53 (1.05, 2.23)a |
| Adjusted OR (95% CI)1 | 1 (referent) | 1.42 (1.02, 2.00)a | 1.40 (0.95, 2.08) |
| Cervical cancer screening (within 2 yr) | |||
| Crude rate | 596 (39.9) | 133 (53.9) | 71 (47.7) |
| Adjusted rate (%, 95% CI)2 | 39.1 (36.5, 41.8) | 47.3 (40.7, 54.1) | 43.2 (35.1, 51.7) |
| Crude OR (95% CI) | 1 (referent) | 1.90 (1.35, 2.68)a | 1.33 (0.90, 1.97) |
| Adjusted OR (95% CI)1 | 1 (referent) | 1.51 (1.04, 2.20)a | 1.14 (0.76, 1.71) |
| Colon cancer screening (within 5 yr) | |||
| Crude rate | 309 (17.5) | 55 (23.6) | 33 (21.4) |
| Adjusted rate (%, 95% CI)2 | 17.2 (15.4, 19.0) | 22.6 (17.7, 28.5) | 20.2 (14.6, 27.3) |
| Crude OR (95% CI) | 1 (referent) | 1.17 (0.78, 1.74) | 1.48 (0.85, 2.56) |
| Adjusted OR (95% CI)1 | 1 (referent) | 1.10 (0.73, 1.67) | 1.41 (0.83, 2.41) |
a
P < 0.05.
1
Calculated via multiple logistic regression and adjusted for age, sex, education, marital status, smoking, alcohol consumption, income, and self-reported health status;
2
Calculated via analysis of covariance adjusted for age, sex, education, marital status, smoking, alcohol consumption, income, and self-reported health status. OR: Odds ratio.