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. Author manuscript; available in PMC: 2007 Jul 7.
Published in final edited form as: Twin Res Hum Genet. 2006 Dec;9(6):933–940. doi: 10.1375/183242706779462912

Table 1.

Racial Distribution in 1993–1995 Los Angeles Twin Birth Cohort1

Total sample Identified in voter records

Mothers Fathers Mothers Fathers

Race n % n % n % n %
American Indian 6 .1 14 .2 0 0 4 .3
Asian 448 7.4 393 6.5 124 7.8 108 6.8
Black 850 14.1 862 14.3 267 16.8 269 16.9
Hispanic 2868 47.5 2748 45.5 566 35.6 540 34.0
White (non-Hispanic) 1852 30.7 1820 30.1 627 39.5 625 39.3
Other 5 .1 6 .1 1 .1 2 .1
Unknown 10 .2 196 3.2 4 .3 41 2.6

Total N =6039 N = 1589

Note:

1

Only pairs with two live-births are included here.