22
Participants
Start Date
December 31, 2007
Primary Completion Date
June 30, 2010
Study Completion Date
June 30, 2010
Cholecalciferol
2000 IU by mouth daily for one year
Placebo
One softgel daily for one year
University of Washington, Seattle
University of Washington Institute for Translational Health Science (KL2)
OTHER
University of Washington
OTHER