THE NHLBI MALE VETERAN TWIN STUDY DATA

The National Heart, Lung and Blood Institute (NHLBI) twin study is a c ollaborative, longitudinal study of the role of genetic risk factors o n subsequent cardiovascular disease processes in 514 pairs of white, m ale World War II and Korean veteran twins born between 1917 and 1927. This paper describes the sampling procedures and zygosity determinatio n at the initial examination, participation by the cohort members at l ater examinations, and a summary of the variables provided for Genetic Analysis Workshop 8 (GAW8). (C) 1993 Wiley-Liss, Inc.