Table 7.
Relative effects of adding different IRS treatments in huts with different LLIN types
| |
Adding IRS with pirimiphos methyl |
Adding IRS with lambda cyhalothrin |
Adding IRS with DDT |
||||
|---|---|---|---|---|---|---|---|
| RR (95% CI) | P value | RR (95% CI) | P value | RR (95% CI) | P value | ||
| Huts with Untreated nets |
Dry season |
2.200 (1.734 – 2.792) |
< 0.001 |
1.920 (1.582 – 2.330) |
< 0.001 |
1.730 (1.398 – 2.140) |
< 0.001 |
| |
Wet season |
2.208 (1.821 – 2.677) |
< 0.001 |
1.551 (1.274 – 1.887) |
< 0.001 |
1.444 (1.181 – 1.766) |
< 0.001 |
| Huts with Olyset® nets |
Dry season |
2.218 (1.194 – 4.118) |
= 0.012 |
1.717 (0.965 – 3.055) |
= 0.538 |
0.940 (0.510 – 1.732) |
= 0.843 |
| |
Wet season |
1.375 (1.143 – 1.654) |
= 0.001 |
1.075 (0.889 – 1.301) |
= 0.455 |
1.174 (0.968 – 1.425) |
= 0.103 |
| Huts with PermaNet 2.0® nets |
Dry season |
2.264 (1.218 – 4.207) |
= 0.010 |
1.313 (0.734 – 2.349) |
= 0.359 |
0.920 (0.524 – 1.797) |
= 0.924 |
| |
Wet season |
1.420 (1.179 – 1.710) |
< 0.001 |
1.173 (0.969 – 1.419) |
= 0.103 |
1.031 (0.849 – 1.253) |
= 0.756 |
| Huts with Icon Life® nets |
Dry season |
1.401 (1.169 – 1.680) |
< 0.001 |
1.093 (0.922 – 1.295) |
= 0.306 |
0.767 (0.636 – 0.925) |
= 0.006 |
| Wet season | 1.237 (1.029 – 1.486) | = 0.023 | 1.008 (0.835 – 1.217) | = 0.972 | 0.995 (0.821 – 1.205) | = 0.958 | |
The table shows relative rates (RR) and associated 95% confidence intervals of increased mortality of Anopheles arabiensis in huts with LLINs plus IRS, compared to huts with nets alone.