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. Author manuscript; available in PMC: 2014 Sep 25.
Published in final edited form as: Anim Behav. 2013 May;85(5):941–947. doi: 10.1016/j.anbehav.2013.02.014

Table 3.

Factors that influence passive food transfers within dyads

ß SE Z P Wald χ2 P
Model 1 234.61 <0.001
Kinship   0.58 0.08   7.37 <0.001
Relationship quality   0.28 0.13   2.09   0.037
Direct reciprocity −0.06 0.11 −0.58   0.562
Rank difference   0.20 0.10   1.86   0.063
Begging frequency   0.81 0.09   8.81 <0.001
Kinship*begging frequency −0.18 0.09 −1.97   0.049
Relationship quality*begging frequency −0.23 0.07 −3.40   0.001
Direct reciprocity*begging frequency   0.25 0.06   4.16 <0.001
Rank difference*begging frequency −0.21 0.09 −2.50   0.012
Model 2 233.86 <0.001
Kinship   0.57 0.08   7.34 <0.001
Relationship quality   0.28 0.13   2.06   0.039
Rank difference   0.21 0.11   1.95   0.051
Begging frequency   0.81 0.09   8.85 <0.001
Kinship*begging frequency −0.18 0.09 −1.96   0.050
Relationship quality*begging frequency −0.23 0.07 −3.39   0.001
Direct reciprocity*begging frequency   0.23 0.04   6.04   0.001
Rank difference*begging frequency −0.21 0.09 −2.53   0.011