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Table 1 Analysis of the relationship of weight 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   6.688 0.000 6.879 12.953
Maximum trill quality − 0.819 − 4.466 0.000 0.000 0.000
Mean number of syllables of songs 0.621 3.502 0.000 0.140 0.535
Maximum peak frequency of songs − 0.392 − 3.710 0.001 − 0.001 0.000
Maximum high frequency of songs 0.397 3.759 0.001 0.000 0.001
Dependent variable: body mass      
  1. Sound parameters that entered the model were significantly correlated with weight