Table 4A.
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.