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. 2011 May 5;84(5):662–667. doi: 10.4269/ajtmh.2011.10-0682

Table 4A.

Change in number of female Phlebotomus argentipes collected in households in each intervention arm compared with control arm expressed as rate ratios by month of collection, Fulbaria, Mymensingh, Bangladesh. Interventions instituted November 2006

Month IRS* ITN EVM
Rate ratio (95% CI) Rate ratio (95% CI) Rate ratio (95% CI)
Oct 2006 1.02 (0.69–1.50) 1.24 (0.84–1.82) 1.07 (0.73–1.58)
Jan 2007 0.38 (0.10–1.50) 0.73 (0.23–2.25) 0.91 (0.31–2.63)
Mar 2007 0.28 (0.19–0.42) 0.31 (0.21–0.46) 0.82 (0.57–1.17)
Apr 2007 0.22 (0.14–0.36) 0.23 (0.14–0.38) 0.70 (0.47–1.05)
Oct 2007 1.72 (1.15–2.58) 0.47 (0.29–0.76) 1.39 (0.92–2.10)
*

IRS = indoor residual spraying; ITN = insecticide-treated nets; EVM = environmental management.

Difference significant at P < 0.05 with rate ratio < 1.0 (decreased sand fly density) compared with control.

Difference significant at P < 0.05 with rate ratio > 1.0 (increased sand fly density) compared with control.