The Framingham Heart Study
The Original Cohort of the Framingham Heart Study consisted of 5,209 respondents of a random sample of 2/3 of the adult population of Framingham, Massachusetts, 30 to 62 years of age by household, in 1948. Exam 28 for the Original Cohort ended in December of 2005. Exam 29 for the Original Cohort began in April of 2006.
AGE-SEX DISTRIBUTION AT ENTRY (1948)
Age 29-39 40-49 50-62 Totals
Men 835 779 722 2,336
Women 1,042 962 869 2,873
Totals 1,877 1,741 1,591 5,209
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