Predictors | Direct Method | Indirect Method | Variable Method |
---|---|---|---|
 | IRR [SE] | IRR [SE] | IRR [SE] |
Arsenic Exposurea | Â | Â | Â |
   0.05-0.08 mg/L | -0.125 [0.045] | -0.077 [0.030] | -0.095 [0.046] |
   0.09-0.16 mg/L | 0.259 [0.062] | 0.162 [0.041] | 0.214 [0.063] |
   0.17-0.32 mg/L | -0.222 [0.082] | -0.136 [0.055] | -0.143 [0.082] |
   0.33-0.64 mg/L | 0.103 [0.094] | 0.060 [0.062] | 0.032 [0.093] |
   > 0.64 mg/L | 0.489 [0.075] | 0.349 [0.050] | 0.354 [0.076] |
Urbanization Indexb | 0.324 [0.097] | 0.241 [0.064] | 0.299 [0.212] |
Cigarette Salec | 0.011 [0.219] | 0.009 [0.146] | -0.004 [0.219] |
Aged | Â | Â | Â |
   20-29 years | NAe | NA | 0.122 [0.153] |
   30-39 years | NA | NA | -0.249 [0.146] |
   40-49 years | NA | NA | 0.346 [0.217] |
   50-59 years | NA | NA | -0.170 [0.287] |
   60-69 years | NA | NA | 0.065 [0.373] |
   > 69 years | NA | NA | -0.417 [0.304] |
p Value for the Modelf | < 0.001 | < 0.001 | < 0.001 |