Table 4.
ANOVA table giving results of a comparison of larval abundance before and after termination of interventions within habitats in Fort Ternan and Lunyerere
| Site | Intervention | Variable | Anopheles early | Anopheles late | Culex early | Culex late |
|---|---|---|---|---|---|---|
| Fort Ternan |
None |
F |
5.329 |
0.364 |
0.010 |
1.197 |
| P |
< 0.05 |
> 0.05 |
> 0.05 |
> 0.05 |
||
| Bti |
F |
3.752 |
a |
180.435 |
60.559 |
|
| |
P |
= 0.055 |
a |
< 0.05 |
< 0.05 |
|
| Fish |
F |
1.322 |
a |
2.392 |
1.116 |
|
| |
P |
> 0.05 |
a |
> 0.05 |
> 0.05 |
|
| Drainage |
F |
0.271 |
a |
0.767 |
0.241 |
|
| |
P |
> 0.05 |
a |
> 0.05 |
> 0.05 |
|
| Lunyerere |
None |
F |
2.870 |
13.334 |
1.887 |
2.676 |
| |
|
P |
> 0.05 |
< 0.05 |
> 0.05 |
> 0.05 |
| |
Bti |
F |
14.436 |
11.066 |
8.384 |
8.867 |
| |
|
P |
< 0.05 |
< 0.05 |
> 0.05 |
> 0.05 |
| |
Drainage |
F |
10.847 |
6.426 |
15.220 |
15.658 |
| |
|
P |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
| |
Arrow roots |
F |
a |
a |
a |
a |
| P | a | a | a | a |
Note: a = no variance between the before and after group hence statistics was not computed.
P = 95 % significance level.
Degrees of freedom (df) =1 in all cases.