Table II.

Triallelic 5HTTLPR genotype frequencies by population group

	Genotype
	L’L’	L’S’	S’S’
Add Health Sample
White	1607 (25.1)	3191 (49.8)	1609 (25.1)
African American	705 (27.5)	1280 (50.0)	577 (22.5)
Hispanic/Latino	355 (19.0)	898 (48.0)	617 (33.0)
Asian/Pacific Islander	32 (4.2)	248 (32.9)	475 (62.9)
Native American	50 (22.6)	114 (51.6)	57 (25.8)
Singapore Sample
Chinese	79 (3.0)	702 (26.4)	1883 (70.7)
Indian	55 (7.8)	261 (36.9)	392 (55.4)
Malay	50 (6.1)	312 (37.9)	462 (56.1)

Values are N (within group %).