Table 1.

Descriptive statistics for co-unokai dyads

Independent variable	Yes	No	n	Mean (SD)	Minimum	Maximum
Same population	443	53	496
Same place of birth	129	246	375
Same patriline	113	396	509
Coresident as adults	149	269	418
Coefficient of relatedness			509	0.08 (0.09)	0	0.56
Absolute age difference			486	10.1 (8.4)	0	50
Times dyad was co-unokai			509	1.8 (2.1)	1	13