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Table 2 Mixed effect model of the relationship between log number of feathers and months after molt and months after molt squared and log body mass

From: The allometry of number of feathers in birds changes seasonally

Variable

F

d.f.

p

Estimate

SE

Intercept

16279

1, 92.02

<0.0001

3.0976

0.0243

Months after molt

55.33

1, 142.8

< 0.0001

−0.0116

0.0016

Months after molt squared

196.84

1, 134.7

< 0.0001

−0.0063

0.0004

log Body mass

229.85

1, 89.08

< 0.0001

0.2403

0.0159

  1. The random effect of species was 0.0007, 95% CI = 0.00011, 0.00123 accounting for 29.1% of the variance.