| 
      
        | Drug exposure | Users n = 10 Mean (SE)
 | Non-Users n = 14Mean (SE) | Results (ANOVA)
 |  
        | Current nicotine (cigarettes/day)
 | 7.75 (1.29) | 0.00 (1.09) | F (1,22) = 20.91, p<0.001
 |  
        | Currentalcohol (AA/day) | 4.77 (1.02) | 2.00 (0.86) | F (1,22) = 4.48, p<0.05 |  
        | Prenatal marijuana (joints/week) | 8.82 (3.4) | 1.12 (2.87) | F (1,22) = 2.99, p<0.10
 |  
        | Prenatal nicotine (cigarettes/day) | 10.41 (3.15) | 3.09 (2.66) | F (1,22) = 3.14, p<0.09
 |  
        | Prenatalalcohol (AA/day)
 | 0.13 (0.10) | 0.28 (0.08) | F (1,22) = 1.41, p<0.25
 |  |