Study Group
0 = Placebo
1 = Vitamin D

Ethnicity
1 = African American
2 = Asian
3 = Caucasian
4 = Native American
5 = Other
9 = Unknown

0 = AA
1 = Aa
2 = aa
9 = Unknown

0 = Male
1 = Female

Depression Remissing
0 = No
1 = Yes