Table 2.
Distribution of mosquitoes collected according to risk factors.
| Risk Factor Variables |
Number of Mosquitoes | Mean Number of Mosquitoes/Sampling | Standard Deviation | Levene Statistic | p-Value | ||
|---|---|---|---|---|---|---|---|
| Vectors collected |
Season | Rainy Dry |
12,436 15,415 |
26.02 25.11 |
19.69 18.17 |
16.86 | 0.41 |
| Localities | Bokle Garoua Lagdo Pitoa |
4372 6291 9277 7911 |
17.77 29.54 27.45 26.82 |
12.16 16.70 19.62 22.00 |
<0.01 * | ||
| Area | RIA NIRA UA |
17,188 4372 6291 |
27.15 17.77 29.54 |
20.75 12.16 16.70 |
<0.01 * | ||
| Total | 27,851 | 25.50 | 18.84 | ||||
| Primary vectors | Season | Rainy Dry |
536 6 |
5.25 3.00 |
2.53 0.00 |
2.127 | <0.01 * |
| Localities | Bokle Garoua Lagdo Pitoa |
108 179 116 139 |
6.35 4.97 6.11 4.34 |
2.98 2.46 2.40 2.09 |
0.034 * | ||
| Area | RIA NIRA UA |
255 108 179 |
5.00 6.35 4.97 |
2.35 2.98 2.46 |
0.12 | ||
| Total | 542 | 5.21 | 2.52 | ||||
| Secondary vectors | Season | Rainy Dry |
11,900 15,409 |
31.65 25.18 |
18.50 18.15 |
33.17 | <0.01 * |
| Localities | Bokle Garoua Lagdo Pitoa |
4264 6112 9161 7772 |
18.62 34.53 28.72 29.55 |
12.15 13.65 19.47 21.76 |
<0.01 * | ||
| Area | RIA NIRA UA |
16,933 4264 6112 |
29.09 18.62 34.53 |
20.52 12.15 13.65 |
<0.01 * | ||
| Total | 27,309 | 27.64 | 18.54 | ||||
*: significant p-value < 0.05; RIA: rural irrigated area; NIRA: non-irrigated rural area; UA: urban area.