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Table 2 Distribution of Family Structures

From: Identification of a pleiotropic locus on chromosome 7q for a composite left ventricular wall thickness factor and body mass index: the HyperGEN Study

 

African American

White

Number of families

434

284

Family size: average (range)

3.1 (2–10)

3.9 (2–12)

Number of individuals

1344

1119

Sib pairs

685

937

Half-sib pairs

180

17

Parent-child pairs

363

415

Avuncular pairs

412

618

Half avuncular

92

14

1st cousins

107

237

Half 1st cousins

34

0

Grandparent-grandchild

8

2

Grand avuncular

6

0

Half grand avuncular

2

0

Total relative pairs

1889

2240