Table 3.
Negative binomial regression model of meteorological factors associated with risk of clonorchiasis incidence*
| |
B
|
S.E.
|
P
|
(e
β
- 1) = percent increase (%) |
95% CI for percent increase (%) |
|
|---|---|---|---|---|---|---|
| Lower boundary | Upper boundary | |||||
|
(A) |
|
|
|
|
|
|
| (Intercept) |
-278.46 |
12.18 |
<0.001 |
- |
- |
- |
| Average temperature |
0.01 |
0.00 |
<0.001 |
1.37 |
0.86 |
1.87 |
| Average relative humidity |
-0.02 |
0.00 |
<0.001 |
-1.69 |
-2.04 |
-1.34 |
| Average wind velocity |
-0.03 |
0.02 |
0.05 |
-3.19 |
-6.29 |
0.01 |
| Aggregate rainfall |
0.00 |
0.00 |
<0.001 |
0.02 |
0.01 |
0.04 |
| Aggregate sunshine |
0.00 |
0.00 |
0.13 |
-0.04 |
-0.09 |
0.01 |
| Year |
0.14 |
0.01 |
<0.001 |
15.23 |
13.86 |
16.62 |
|
(B) |
|
|
|
|
|
|
| (Intercept) |
-257.01 |
11.62 |
<0.001 |
- |
- |
- |
| Average atmospheric pressure |
0.00 |
0.00 |
0.06 |
-0.48 |
-0.97 |
0.02 |
| Average relative humidity |
-0.01 |
0.00 |
<0.001 |
-1.37 |
-1.77 |
-0.97 |
| Average wind velocity |
-0.06 |
0.02 |
0.06 |
-6.03 |
-8.91 |
0.02 |
| Aggregate rainfall |
0.00 |
0.00 |
<0.001 |
0.03 |
0.02 |
0.05 |
| Aggregate sunshine |
0.00 |
0.00 |
0.22 |
0.03 |
-0.02 |
0.08 |
| Year |
0.13 |
0.01 |
<0.001 |
14.28 |
12.97 |
15.61 |
|
(C) |
|
|
|
|
|
|
| (Intercept) |
-255.90 |
8.69 |
<0.001 |
- |
- |
- |
| Average temperature |
0.01 |
0.00 |
<0.001 |
1.18 |
0.88 |
1.48 |
| Average relative humidity |
-0.02 |
0.00 |
<0.001 |
-1.51 |
-1.75 |
-1.27 |
| Aggregate rainfall |
0.00 |
0.00 |
<0.001 |
0.03 |
0.01 |
0.04 |
| Year | 0.13 | 0.00 | <0.001 | 13.94 | 12.97 | 14.91 |
Note. *Negative binomial regression model for monthly clonorchiasis incidence without atmospheric pressure (A) and without average temperature (B). Final models (C).
CI, Confidence Interval.