Table 1 Indoor host-seeking density using light trap catches and incidence rate ratios in intervention and control groups of Anopheles arabiensis in Adami Tullu, Ethiopia
Study arms | Person-night catch | Mean density (95% CI) | IRR (95% CI) | P value |
|---|---|---|---|---|
a) Control arm is the reference group | ||||
Control | 592 | 1.11 (0.89–1.38) | ||
IRS | 592 | 0.03 (0.01–0.08) | 0.031 (0.012–0.076) | < 0.001 |
LLIN | 592 | 0.09 (0.05–0.15) | 0.096 (0.060–0.153) | < 0.001 |
IRS + LLIN | 592 | 0.03 (0.01–0.08) | 0.031 (0.012–0.076) | < 0.001 |
b) IRS + LLIN arm is the reference group | ||||
IRS + LLIN | 444 | 0.03 (0.01–0.08) | ||
IRS | 444 | 0.03 (0.01–0.08) | 1.424 (0.284–3.525) | 1.000 |
LLIN | 444 | 0.09 (0.05–0.15) | 2.601 (0.903–7.478) | 0.076 |