Table 3 Coefficients of the logistic regression investigating breeding attempts (yes/no), with estimated means (EM), standard errors (SE), z values and significance levels (p), separately for juveniles, and 2- and 3-year olds. Significant coefficients are indicated in bold.

From: Costs and benefits of social connectivity in juvenile Greylag geese

  EM SE z value p
Juveniles
(Intercept) 2.036 3.455 0.59 0.556
Social connectivity −2.653 3.744 −0.71 0.479
Season (mating)a −4.286 4.112 −1.04 0.297
Season (breeding)a −0.312 3.766 −0.08 0.934
Social connectivity:Season(mating) 4.356 4.230 1.03 0.303
Social connectivity:Season(breeding) −1.423 4.514 −0.32 0.753
2-year olds
(Intercept) −3.494 2.690 −1.30 0.194
Social connectivity 5.462 3.603 1.52 0.130
Season (mating)a 3.479 3.075 1.13 0.258
Season (breeding) a 11.241 4.616 2.44 0.015
Social connectivity:Season(mating) −4.216 4.375 −0.96 0.335
Social connectivity:Season(breeding) −13.932 5.542 −2.51 0.012
3-year olds
(Intercept) −0.469 1.996 −0.24 0.814
Social connectivity 2.341 2.607 0.90 0.369
Season (mating)a 1.231 3.262 0.38 0.706
Season (breeding)a 2.808 2.675 1.05 0.294
Social connectivity:Season(mating) −1.576 4.433 −0.36 0.722
Social connectivity:Season(breeding) −3.854 3.454 −1.12 0.265
  1. Set as reference point:
  2. aSeason (winter flock).
  3. “:” denote interactions.