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Table 2 Description of Relationship Between Variable with Missing Data (Genotype or Exposure) and Set of Auxiliary Variables.

From: The use of complete-case and multiple imputation-based analyses in molecular epidemiology studies that assess interaction effects

Variable with Missing Data: Genotype
(Scenarios J and K)
Exposure
(Scenario L-N)
Auxiliary Variables OR P-value OR P-value
Level of average alcohol exposure 0.90 P = 0.06 NA NA
Race   P < 0.001   P < 0.001
Reference (Caucasian) 1.00   1.00  
African American 4.14   0.43  
Other 3.60   0.24  
Breastfed for at least 6 months   P < 0.001   
Reference (No) 1.00    
Yes 0.68    
Education     P < 0.001
Reference (less than high school)    1.00  
Completed high school and some college    1.52  
College graduate or more    1.68  
Use of oral contraceptives     P = 0.005
Reference (No)    1.00  
Yes    1.32  
Use of hormone therapy     P = 0.018
Reference (No)    1.00  
Yes    1.29  
Smoking Status     P < 0.001
Reference (Never smoked)    1.00  
Past smoker    1.63  
Current smoker    1.67  
Genotype NA NA   P = 0.001
Reference (No mutation)    1.00  
Has mutation    0.73