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Table 2 Analysis of the relationship between condition and sound parameters using linear logistic regression

From: Is male condition corrected with song features in Dusky Warblers (Phylloscopus fuscatus)

Parameters Standardized coefficients beta t p 95.0% confidence interval for B
Lower bound Upper bound
Constant   − 0.080 0.937 − 6.597 6.104
Maximum trill quality − 0.790 − 4.259 0.000 0.000 0.000
Mean number of syllables of songs 0.612 3.440 0.002 0.280 1.106
Maximum peak frequency of songs − 0.421 − 3.296 0.003 − 0.002 0.000
Maximum high frequency of songs 0.413 2.492 0.019 0.000 0.001
Dependent variable: condition      
  1. Sound parameters that can enter the model were significantly correlated with condition