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Table 1 Hypothetical sample data

From: Accounting for biases in survey-based estimates of population attributable fractions

 Non-smokerSmokerTotalCounterfactualpepdRR
Non-Hispanic black
 Survived500200700769   
 Died150150300231   
 Total650350100010000.350.501.86
qx0.2310.4290.30    
Non-Hispanic white
 Survived270050032003375   
 Died500300800625   
 Total3200800400040000.200.3752.40
qx0.1560.3750.20    
Combined
 Survived320070039004144   
 Died6504501100856   
 Total38501150500050000.230.4092.32
qx0.1690.3910.22    
  1. pe proportion smoker in entire sample, pd proportion smoker among deceased, qx probability of death, RR risk ratio