Table 2.
Results of fever surveillance in villages with Interceptor LNs, untreated nets and no net during pre- intervention and intervention phases
| Attributes |
Interceptor net |
Untreated net |
No Net |
P- value |
|---|---|---|---|---|
| (Pop. 5316) | (Pop. 4802) | (Pop. 3865) | ||
|
Pre-intervention (Sep-Nov 2006) | ||||
| No. of slides collected |
902 |
447 |
377 |
|
|
P. vivax |
0 |
5 |
3 |
|
|
P. falciparum |
76 |
26 |
9 |
|
| Slide Positivity Rate (SPR) |
8.4 |
6.9 |
3.2 |
χ2=11.4; p=0.003 |
| Parasite incidence/1000 population |
14.3 |
6.6 |
3.1 |
|
|
Intervention (Dec 2006-Aug 2007) | ||||
| No. of slides collected |
2348 |
1836 |
1151 |
|
|
P. vivax |
0 |
17 |
21 |
|
|
P. falciparum |
87 |
102 |
150 |
|
| Slide Positivity Rate (SPR) |
3.7 |
6.5 |
11 |
χ2=81.5; p=0.000 |
| Parasite incidence/1000 population | 16.4 | 24.8 | 44.2 | |