Table 1.

Characteristics of FHS cohorts

Cohort	Total, n	DNA, n	Ancestry, %					Year recruited	Age, years	Follow-up
			EA	AA	HA	AsA	Other			Examinations, n	Intervals, n	Duration, years
Original	5209	971	100	0	0	0	0	1948–53	28–74	32	2	65
Offspring (and spouses)	5124	3930	100	0	0	0	0	1971–75	5–70	9	4–8	43
Third Generation	4095	4077	100	0	0	0	0	2002–05	19–72	2	6	≈ 10
Offspring Spouses	103	101	100	0	0	0	0	2003–05	47–85	2	6	≈ 10
Omni 1 Cohort	507	493	0	28	42	24	6	1994–98	27–78	4	4–8	≈ 15–20
Omni 2 Cohort	410	407	0	28	42	24	6	2003–05	20–80	2	6	≈ 10

AA, African American; AsA, Asian American; EA, European American; HA, Hispanic American.

Table from Benjamin I et al. Circulation 2015;131:100–112.

Reprinted with copyright permission.