| |
Odds ratio (I.C. 95 %)
|
p - Value
|
|---|
|
Altitude (m.a.s.l.)
| |
0.019
|
|
0-50
|
Ref.
| |
|
51-150
|
8.653 (1.514 – 49.441)
|
0.015
|
|
>150
|
0.805 (0.131 – 4.964)
|
0.816
|
|
Settlement
| | |
|
Within settlement
|
Ref.
| |
|
Edge of/between settlement
|
8.080 (1.737 – 37.596)
|
0.008
|
|
Aspect
| |
0.03
|
|
Other (all orientations except south-east and west facing)
|
Ref.
| |
|
South-east-facing
|
34.975 (1.817 – 673.425)
|
0.018
|
|
West-facing
|
0.457 (0.116 – 1.798)
|
0.263
|
|
Drainage hole construction
| | |
|
Plastic pipe
|
Ref.
| |
|
Other (unlined, cement pipe)
|
3.451 (1.002 – 11.880)
|
0.050
|
|
Adjacent flora
| |
0.001
|
|
Aleppo pine and evergreen oaks
|
Ref.
| |
|
Garrigue shrubs
|
38.051 (4.900 – 295.469)
|
0.001
|
|
None
|
1.308 (0.323 – 5.307)
|
0.707
|
|
Sheep farm near
| | |
|
No
|
Ref.
| |
|
Yes
|
19.989 (3.557 – 112.322)
|
0.001
|
- Dependent variable presence/absence of P. perniciosus. Ref. Reference category. C. I. = Confidence interval. R2 = 0.571.
