Table 2 Entomological parameters of An. gambiae stratified by study period in three villages of central Côte d’Ivoire

2009-2010 period

N’Dakonankro

389

16.2 (9.8-22.6)

100 (2)

2.0 (0–4.8)

0.32 (0–1.08)

116.8 (0–394.2)

 Indoor

259

21.6 (9.7-33.4)

50 (2)

4.0 (0–9.6)

0.86 (0–3.22)

313.9 (0–1,175.3)

 Outdoor

130

10.8 (5.5-16.1)

50 (0)

0 (0–7.0)*

0 (0–1.13)*

0 (0–412.5)*

Yoho

565

23.5 (14.3-32.8)

100 (1)

1.0 (0–3.0)

0.23 (0–0.98)

83.9 (0–357.7)

 Indoor

320

26.7 (10.5-42.8)

50 (0)

0 (0–7.0)*

0 (0–3.00)*

0 (0–1,095.0)*

 Outdoor

245

20.4 (8.7-32.1)

50 (1)

2.0 (0–6.02)

0.41 (0–1.93)

149.6 (0–704.4)

Bozi

848

35.3 (21.9-48.7)

100 (4)

4.0 (0.1-7.9)

1.41 (0.02-3.85)

514.6 (7.3-1,405.2)

 Indoor

421

35.1 (13.7-56.5)

49 (1)

2.0 (0–6.1)

0.72 (0–3.47)

262.8 (0–1,266.5)

 Outdoor

427

35.6 (15.8-55.4)

51 (3)

5.9 (0–12.6)

2.09 (0–6.96)

762.8 (0–2,540.4)

2011-2012 period

N’Dakonankro

1,776

49.3 (38.0-60.7)

1,101(25)

2.3 (1.4-3.2)

1.12 (0.53-1.91)

408.8 (193.4-697.1)

 Indoor

712

39.5 (27.0-52.1)

497 (18)

3.6 (2.0-5.3)

1.43 (0.54-2.74)

521.9 (197.1-1,000.1)

 Outdoor

1,064

59.1 (39.9-78.3)

604 (7)

1.2 (0.3-2.0)

0.69 (0.12-1.57)

251.8 (43.8-573.0)

Yoho

80

2.2 (0.1-4.4)

59 (2)

3.4 (0–8.1)

0.07 (0–0.35)

25.5 (0–127.7)

 Indoor

18

1.0 (0–2.3)

14 (0)

0 (0–26.0)*

0 (0–0.59)*

0 (0–215.3)*

 Outdoor

62

3.4 (0–7.7)

45 (2)

4.4 (0–10.7)

0.15 (0–0.82)

54.7 (0–299.3)

Bozi

347

9.6 (3.4-15.9)

230 (4)

1.7 (0–3.4)

0.17 (0–0.55)

62.0 (0–200.7)

 Indoor

120

6.7 (1.2-12.1)

83 (2)

2.4 (0–5.8)

0.16 (0–0.70)

58.4 (0–255.5)

 Outdoor

227

12.6 (0.8-24.4)

147 (2)

1.4 (0–3.2)

0.18 (0–0.79)

65.7 (0–288.3)