Table 3 Parameter estimates with 95% confidence interval (in parentheses) for the association of mosquito density (per trap/house) with climatic variables based on univariable Poisson regression models at different lag points in time

Rainfall(mm)

1.550 ^∗(1.443, 1.665)

1.567 ^∗(1.433, 1.715)

1.407 ^∗(1.264, 1.566)

1.226(1.127, 1.334)

Relative humidity(%)

1.095 ^∗∗(1.069, 1.122)

1.091 ^∗∗(1.062, 1.121)

1.060 ^∗ (1.034, 1.085)

1.027(1.013, 1.041)

Minimum temperature(^oC)

1.525 ^∗∗(1.320, 1.761)

1.900 ^∗∗(1.454, 2.474)

2.138 ^∗∗(1.599, 2.860)

1.853 ^∗∗(1.494, 2.298)

Maximum temperature(^oC)

0.580 ^∗(0.474, 0.709)

0.644 ^∗(0.527, 0.788)

0.788 ^∗(0.635, 0.977)

1.033(0.940, 1.135)