Post-rainy season 2006

N (%)

Post-rainy season 2010

N (%)

z

p-value

Number screened

1435 (100)

1778 (100)

Fever (Temp ≥ 37.5˚C)

71 (5.0)

77 (4.3)

0.94

0.347

Any malaria Parasitaemia

580 (40.4)

590 (33.6)

3.98

0.001

High density malaria Parasitaemia

151 (10.5)

56 (3.2)

8.37

0.001

Gametocytaemia

12 (0.8)

3 (0.17)

2.65

0.008

Anaemia (Hb < 8.0 g/dl)

172 (12.0)

76 (4.3)

8.12

0.001

Mean parasite density (SD)

9516 (25,115)

1578 (10,334)

0.001

Mean Hb (SD)

9.36 (2.63)

9.6 (1.3)

0.001