Relative risk was estimated by the hierarchical Poisson regression. | |||||||
---|---|---|---|---|---|---|---|
 |  | Male colon cancer | Male lung cancer | Female breast cancer | |||
Variable | Crude | Adjusted a | Crude | Adjusted a | Crude | Adjusted a | |
Societal Index | Index 1 | 1.104 | 1.062 | 1.055 | 1.039 | 1.124 | 1.077 |
 | Index 2 | 1.040 | 1.005* | 0.964 | 0.952 | 1.097 | 1.061 |
Population density (log) | 1.064 | 1.039 | 1.010 | 1.017 | 1.101 | 1.039 | |
Societal cluster | SC1b | 1.000 | - | 1.000 | - | 1.000 | - |
 | SC2 | 0.903 | - | 1.011* | - | 0.827 | - |
 | SC3 | 0.779 | - | 0.974* | - | 0.658 | - |
 | SC4 | 0.993* | - | 1.179 | - | 0.969 | - |