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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