Table 1. .

Population Variation in LD between the Val158Met Polymorphism (A Allele) and the P2 Promoter (B Allele) within the COMT Gene^[Note]

		Allele Frequency
Population	2Na	A	B	r
Biaka	140	.51	.94	−.03
Mbuti	76	.67	.80	−.07
Yoruba	152	.86	.64	.03
Ibo	94	.66	.64	.01
Hausa	76	.57	.74	.20
Ethiopians	64	.64	.67	.03
African Americans	180	.57	.67	.19
Yemenite Jews	86	.69	.62	.66
Druze	148	.65	.62	.32
Adygei	108	.72	.66	.40
Russians	96	.52	.49	.38
Finns	70	.56	.47	.10
Danes	102	.43	.39	.11
Irish	230	.59	.50	.48
European Americans	186	.53	.38	.34
Chinese	120	.69	.78	.52
Taiwanese	98	.63	.75	.59
Hakka	80	.65	.83	.46
Japanese	102	.58	.69	.31
Ami	80	.75	.85	.41
Atayal	84	.86	.82	.36
Cambodians	50	.69	.72	−.22
Nasioi	46	.66	.74	.37
Micronesians	74	.91	.86	.19
Yakut	102	.70	.70	.59
Cheyenne	112	.73	.71	.85
Arizona Pima	102	.85	.82	.72
Mexican Pima	106	.68	.65	.33
Maya	104	.42	.47	.72
Ticuna	132	.78	.78	.86
Rondonian Surui	92	.75	.70	.54
Karitiana	110	.95	.99	.42

Note.— Negative estimates of r are shown in bold.

^aN=number of individuals recruited in each study.