Factors | An. gambiae s.l. | An. gambiae s.s. | An. arabiensis | ||
---|---|---|---|---|---|
 | Mean (SD) | Mean (SD) | % | Mean (SD) | % |
11 villages | Â | Â | Â | Â | Â |
 Year |  |  |  |  |  |
  1999 | 28.5 (42.79) | 25.8 (41.61) | 90.6 | 2.7 (4.42) | 9.4 |
  2008 | 2.0 (4.04) | 1.3 (3.35) | 60.7 | 0.8 (1.72) | 39.3 |
  2010 | 2.0 (3.49) | 1.5 (2.84) | 72.4 | 0.5 (1.42) | 27.6 |
 Region |  |  |  |  |  |
  Western | 6.1 (21.04) | 5.2 (20.27) | 86.6 | 0.8 (2.69) | 13.4 |
  Eastern | 7.1 (20.69) | 6.0 (19.71) | 85.2 | 1.1 (2.26) | 14.8 |
 Island/mainland |  |  |  |  |  |
  Island | 5.0 (13.07) | 4.0 (11.32) | 80.5 | 1.0 (2.74) | 19.5 |
  Mainland | 9.3 (29) | 8.3 (28.54) | 89.9 | 0.9 (1.91) | 10.1 |
 Total | 6.7 (20.84) | 5.7 (19.95) | 85.7 | 1.0 (2.45) | 14.3 |
19 villages | Â | Â | Â | Â | Â |
 Year |  |  |  |  |  |
  2008 | 2.4 (4.99) | 0.8 (2.65) | 32.4 | 1.6 (3.88) | 67.6 |
  2010 | 2.6 (7.52) | 1.3 (2.75) | 54.1 | 1.4 (6.92) | 45.9 |
 Region |  |  |  |  |  |
  Western | 1.9 (3.71) | 1.5 (3.36) | 77.8 | 0.4 (1.2) | 22.2 |
  Central | 3.5 (5.74) | 1.7 (3.1) | 44.3 | 1.8 (4.35) | 55.7 |
  Eastern | 2.4 (7.88) | 0.6 (1.94) | 27.2 | 1.8 (7.54) | 72.8 |
 Island/mainland |  |  |  |  |  |
  Island | 2.2 (3.76) | 1.6 (2.93) | 72.1 | 0.6 (1.59) | 27.9 |
  Mainland | 2.7 (7.76) | 0.8 (2.53) | 29.7 | 1.9 (7.21) | 70.3 |
 Total | 2.5 (6.56) | 1.1 (2.71) | 43.9 | 1.5 (5.82) | 56.1 |
31 villages (2010) | Â | Â | Â | Â | Â |
 Region |  |  |  |  |  |
  Western | 1.5 (2.98) | 1.1 (2.47) | 75.1 | 0.4 (1.27) | 24.9 |
  Central | 3.2 (8.98) | 1.5 (2.97) | 53.9 | 1.7 (8.42) | 46.1 |
  Eastern | 1.3 (2.41) | 0.2 (0.45) | 12.4 | 1.1 (2.23) | 87.6 |
 Island/mainland |  |  |  |  |  |
  Island | 2.2 (3.61) | 1.7 (2.91) | 74.5 | 0.5 (1.45) | 25.5 |
  Mainland | 2.3 (7.58) | 0.7 (2.12) | 34.8 | 1.6 (7.2) | 65.2 |
 Total | 2.2 (6.61) | 1 (2.43) | 47.9 | 1.3 (6.06) | 52.1 |