The Offspring Study was initiated in 1971 when the need for establishing a prospective epidemiologic study of young adults was recognized. A sample of 5,124 men and women, consisting of the offspring of the Original Cohort and their spouses was recruited. Offspring Exam 8 began in March 2005 and concluded in January of 2008. Offspring Exam 9 is scheduled to begin in 2011.
|AGE-SEX DISTRIBUTION AT ENTRY (1971)|