98
Participants
Start Date
March 31, 2007
Primary Completion Date
December 31, 2007
Study Completion Date
October 31, 2008
20 µg selenium
20 µg selenium as selenomethionine
40 µg selenium
40 µg selenium as selenomethionine
60 µg selenium
60 µg selenium as selenomethionine
80 µg selenium
80 µg selenium as selenomethionine
100 µg selenium
100 µg selenium as selenomethionine
120 µg selenium
120 µg selenium as selenomethionine
placebo
placebo
Sichuan Center for Disease Control and Prevention (Sichuan CDC), Chengdu
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Vanderbilt University
OTHER