Utilizing self-reported race,
patients were grouped according to reported race using
United State Census classifications [14]. In evaluating
rates of folic acid use, comparisons were made between
patients reporting Caucasian race and those reporting a
race that was not Caucasian (non-Caucasian). In two
cases, patients reported “multi-racial” as their selfreported
race. For statistical analysis, these patients were
classified as non-Caucasian