Table 3 Results from the Binomial GLMM exploring the variation in female vocal response as a function of the acoustic parameters of the playback song

From: Sexual selection for both diversity and repetition in birdsong

Fixed effects

        

Random effects

 

Logit-transformed model estimates

Back-transformed model estimates

    

Variable

Estimate

2.5% CI

97.5% CI

Estimate

2.5% CI

97.5% CI

Z

Relative importance

Variable

Variance (SD)

Intercept

−1.406

−1.925

−0.887

0.197

0.127

0.292

5.312

–

Individual

0.46 (0.68)

Vocal consistency

0.489

0.152

0.826

0.62

0.538

0.696

2.844

1

  

Trill length (notes)

0.06

−0.216

0.64

0.515

0.446

0.655

0.4

0.28

  
  1. For each factor, we present the model estimate, both the logit-transformed as well as the back-transformed, the 95% CI around the estimates, the Z statistic derived from Wald tests and the relative importance of that variable in the final model. The R2m of the full model was 0.31 and the conditional R2c was 0.76. The estimated variance and the standard deviation (SD) explained by the random effects is shown in the last two columns.
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