|  |  | Esophageal cancer |  |  | Gastric cancer |  | ||
---|---|---|---|---|---|---|---|---|---|
 | Factor | RR | 95% CI | P-value | RR | 95% CI | P-value | ||
 |  |  | lower | upper |  |  | lower | upper |  |
Female | Unrestricted food choice* | 0.91 | 0.84 | 0.99 | 0.04 | 0.89 | 0.67 | 1.18 | 0.42 |
 | Restricted food choice* | 1.27 | 1.13 | 1.44 | <0.001 | 1.08 | 0.87 | 1.34 | 0.49 |
 | Income | 0.78 | 0.68 | 0.90 | <0.001 | 0.66 | 0.56 | 0.77 | <0.001 |
 | Urbanisation | 0.71 | 0.62 | 0.81 | <0.001 | 0.86 | 0.76 | 0.97 | 0.02 |
 | Literacy | 0.94 | 0.84 | 1.06 | 0.25 | 0.98 | 0.86 | 1.11 | 0.83 |
Male | Unrestricted food choice* | 0.75 | 0.68 | 0.82 | <0.001 | 0.91 | 0.64 | 1.31 | 0.31 |
 | Restricted food choice* | 1.15 | 1.05 | 1.26 | 0.004 | 1.09 | 0.91 | 1.31 | 0.33 |
 | Income | 0.85 | 0.78 | 0.93 | 0.009 | 0.75 | 0.65 | 0.87 | <0.01 |
 | Urbanisation | 0.76 | 0.69 | 0.83 | <0.001 | 0.90 | 0.75 | 0. 91 | 0.02 |
 | Literacy | 0.94 | 0.79 | 1.13 | 0.84 | 0.95 | 0.78 | 1.16 | 0.30 |
Both sexes | Unrestricted food choice* | 0.81 | 0.75 | 0.88 | <0.001 | 0.92 | 0.84 | 1.00 | 0.05 |
 | Restricted food choice* | 1.36 | 1.24 | 1.49 | <0.001 | 1.08 | 0.97 | 1.20 | 0.09 |
 | Income | 0.86 | 0.80 | 0.93 | <0.001 | 0.92 | 0.83 | 1.03 | 0.06 |
 | Urbanisation | 0.83 | 0.77 | 0.89 | <0.001 | 0.73 | 0.68 | 0.84 | <0.001 |
 | Literacy | 0.96 | 0.89 | 1.04 | 0.32 | 0.88 | 0.76 | 1.01 | 0.08 |