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Table 2 Final binomial logistic regression models for return rates over species (S), sex/age groups (A), attachment treatment (T), the interaction between treatment and species (T × S), and the interaction between treatment and sex/age groups (T × A)

From: Effects of harness-attached tracking devices on survival, migration, and reproduction in three species of migratory waterfowl

Return rate Intercept Species (S) Sex/age (A) Treatment (T) Treatment × Species (T × S) Treatment × Sex/Age (T × A) Degrees of freedom Δ AICc
~ S + T 0.673 0.88*   − 1.14***    4 0.00
~ T 0.900    − 1.14***    2 0.28
~ S + T + T*S 0.182 1.38*   − 0.38 − 1.17   6 12.13
~ S − 0.065 1.15**      3 12.15
~ S + A + T 0.669 1.36* − 0.64 − 1.13***    6 13.12
~ S + T + S*A 0.395 1.47**   − 0.71   − 1.04 8 46.11
  1. Coefficient values are given, with asterisks denoting significant effects (*p < 0.05; **p < 0.01; ***p < 0.001)