Table 1

Analysis of molecular variance (AMOVA). Eurasia, which encompasses Europe, the Middle East, and Central/South Asia, is treated as one region in the five-region AMOVA but is subdivided in the seven-region design. The World-B97 sample mimics a previous study (6).

SampleNumber of regionsNumber of populationsVariance components and 95% confidence intervals (%)
Within populationsAmong populations within regionsAmong regions
World15294.6 (94.3, 94.8)5.4 (5.2, 5.7)
World55293.2 (92.9, 93.5)2.5 (2.4, 2.6)4.3 (4.0, 4.7)
World75294.1 (93.8, 94.3)2.4 (2.3, 2.5)3.6 (3.3, 3.9)
World-B9751489.8 (89.3, 90.2)5.0 (4.8, 5.3)5.2 (4.7, 5.7)
Africa1696.9 (96.7, 97.1)3.1 (2.9, 3.3)
Eurasia12198.5 (98.4, 98.6)1.5 (1.4, 1.6)
Eurasia32198.3 (98.2, 98.4)1.2 (1.1, 1.3)0.5 (0.4, 0.6)
Europe1899.3 (99.1, 99.4)0.7 (0.6, 0.9)
Middle East1498.7 (98.6, 98.8)1.3 (1.2, 1.4)
Central/South Asia1998.6 (98.5, 98.8)1.4 (1.2, 1.5)
East Asia11898.7 (98.6, 98.9)1.3 (1.1, 1.4)
Oceania1293.6 (92.8, 94.3)6.4 (5.7, 7.2)
America1588.4 (87.7, 89.0)11.6 (11.0, 12.3)