Table 2. Risk factors for upper GI cancers using multiple conditional logistic regression (individually matched for sex, age, and residential area) .
| Factors | Cases | Controls | Percent | OR* (95% CI) | ||
| Number | Percent | Number | P value | |||
| Food security status | ||||||
| Secure | 37 | 30.8 | 68 | 56.7 | 1.00 | |
| Insecure | 83 | 69.2 | 52 | 43.3 | 2.57 (1.41, 4.66) | 0.002 |
| Economic level | ||||||
| Medium/high | 24 | 20.0 | 41 | 34.2 | 1.00 | |
| Low | 96 | 80.0 | 79 | 65.8 | 2.42 (1.23, 4.76) | 0.010 |
| Family history of cancer | ||||||
| No | 76 | 63.3 | 96 | 80.0 | 1.00 | |
| Yes | 44 | 36.7 | 24 | 20.0 | 1.98 (1.03, 3.80) | 0.040 |
*Adjusted for economic levels, ethnicity, education levels, health insurance, history of GI ulcer, family history of cancer, BMI, family size