Table 2.

Model coefficients associated with the number of times men were co-unokais together

Independent variableIRR (semirobust SE)ZP
Dyad from same population block1.28 (0.04)8.7<0.001
Absolute age difference0.99 (0.002)−4.2<0.001
Dyad from same place of birth0.86 (0.04)−3.6<0.001
Dyad from same patriline0.93 (0.05)−1.30.21
Coefficient of relatedness1.22 (0.25)0.90.35
Constant0.56 (0.02)−21.3<0.001
  • IRR, incidence rate ratio. Data coding: 0 = no; 1 = yes.