In a logistic regression analysis that was adjusted for cholesterol and the other tocopherol , low - tocopherol was associated with an OR of 1.83 ( 95 % CI : 1.04 , 3.20 ) , whereas a low - tocopherol concentration was associated with an OR of 0.62 ( 95 % CI : 0.41 , 0.93 ) for miscarriage .