Skip to main content

Table 1 Habitat differences between buildings chosen at random ( N= 240) and nest sites ( N= 195) on buildings shown with a GLM with binomial error structure (random point = 0, nest site = 1) and a logit link function

From: Hard times in the city – attractive nest sites but insufficient food supply lead to low reproduction rates in a bird of prey

Variable

Estimate

SE

T-value

P-value

Sign.

Intercept

−3.11

0.70

−4.46

< 0.0001

***

Roof-openings [open = 1, closed = 0]

4.12

0.50

8.29

< 0.0001

***

Façade [smooth = 0, not smooth = 1]

−0.46

0.26

−1.79

0.07

Nest height/Height of the attic [m]

0.29

0.10

3.22

0.002

**

Green courtyard [yes = 1, no = 0]

0.88

0.27

3.33

<0.001

***

  1. Significance codes: ‘***’ 0.001, ‘**’ 0.01, ‘•’ <0.1.