|
Risk Factor
|
Regression Coefficient
|
Standard Error
|
Pr > |t|
|
|---|
|
Age
|
-0.0142
|
0.000980
|
<0.0001
|
|
Age
2
|
0.000015
|
1.367E-6
|
<0.0001
|
|
Prior Infection Status
| | | |
|
High risk
|
0
| | |
|
Low Risk
|
0.2201
|
0.0840
|
0.0089
|
|
Intermediate Risk
|
-0.0288
|
0.0539
|
0.5939
|
|
Season of Infection
| | | |
|
Summer
|
0
| | |
|
Winter
|
-0.0554
|
0.0464
|
0.2324
|
|
Spring
|
-0.1205
|
0.0495
|
0.0151
|
|
Constant
|
3.4949
|
0.0684
|
<0.0001
|
- Low risk= Herds shedding neither Giardia or Cryptosporidium prior to start of the study
- Intermediate risk= Herd shedding Giardia only prior to the start of the study
- High risk= Herd shedding both Giardia and Cryptosporidium prior to the star of the study
- Winter= November through March
- Spring= April through June
- Summer= July through October
