Table 4. Interactive effects of pear tree proximity and season on bird-window collisions: Generalized estimating equation results.
| 95% Wald C.I. | ||||||
|---|---|---|---|---|---|---|
| B | S.E. | p | Exp(B) | Lower | Upper | |
| Intercept | −2.01 | 0.34 | 0.01 | 0.13 | 0.07 | 0.26 |
| Pear trees | −1.81 | 0.81 | 0.03 | 0.16 | 0.03 | 0.80 |
| Mirrored windows | 0.85 | 0.39 | 0.03 | 2.33 | 1.08 | 5.05 |
| Bird-friendly glass | −1.30 | 0.77 | 0.09 | 0.27 | 0.06 | 1.23 |
| Season (winter =1) | −1.82 | 0.66 | 0.01 | 0.16 | 0.04 | 0.59 |
| Pear trees * Season | 3.69 | 0.99 | 0.01 | 40.00 | 5.78 | 277.05 |
Notes.
- B
- B coefficient
- S.E.
- Standard error of B
- Exp(B)
- odds ratio
- CI
- confidence interval
Data were collected in fall 2019 and winter 2020 at the University of Utah, Salt Lake City, Utah, USA.