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Table 2 Non-parametric multiple regression analyses of Brazilian red-belly toad chemical defenses in relation to sex, skin mass, and age

From: The relationship between poison frog chemical defenses and age, body size, and sex

 

Alkaloid richness

Alkaloid quantity

Bufotenine quantity

 

Sex

Skin mass

Age

Sex

Skin mass

Age

Sex

Skin mass

Age

Regression coefficient

0.9548

0.0088

1.2622

112.156

1.428

48.769

13.6241

0.6271

1.5966

P

0.3093

0.3090

0.0058*

0.0638

0.0079*

0.0755

0.4703

0.0003*

0.8564

R 2

0.2990

0.3750

0.3387

R 2-adj

0.2628

0.3426

0.3045

F

8.2490

11.6004

9.9057

P

0.0001*

0.0001*

0.0001*

  1. Regression coefficients, R 2, adjusted R 2 (R 2-adj), and F-statistics for the full models (3 and 58 degrees of freedom), and respective P-values from non-parametric multiple regression analyses (9999 permutations; two-tailed tests)
  2. *Statistically significant P-values
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Frontiers in Zoology

ISSN: 1742-9994