Table 4 Relative risk of malaria parasitaemia in relation to malaria prevention methods adopted by pregnant women attending antenatal clinics in Lagos, Nigeria
From: Factors associated with risk of malaria infection among pregnant women in Lagos, Nigeria
Preventive methods | Proportion with malaria | Risk ratio (95% C.I.) | P |
|---|---|---|---|
a) Insecticide spray | Â | Â | Â |
  Yes | 51/885 (5.8%) | 0.36 (0.24–0.54) | <0.001 |
  No | 32/199 (16.1%) |  |  |
b) Chemoprophylaxis | Â | Â | Â |
  Yes | 21/243 (8.6%) | 1.17 (0.73–1.88) | 0.297 |
  No | 62/841 (7.4%) |  |  |
c) Bed net use | Â | Â | Â |
  i) Any net |  |  |  |
   Yes | 9/161 (5.6%) | 0.70 (0.36–1.36) | 0.183 |
   No | 74/923 (8.0%) |  |  |
  ii) Insecticide treated net (ITN) |  |  |  |
   Yes | 9/125 (7.2%) | 0.93 (0.48–1.82) | 0.506 |
   No | 74/959 (7.7%) |  |  |
d) Insecticide sprays + ITN | Â | Â | Â |
  Yes | 1/80 (1.3%) | 0.15 (0.02–1.09) | 0.011 |
  No | 82/1004 (8.6) |  |  |
e) Chemoprophylaxis + ITN | Â | Â | Â |
  Yes | 1/22 (4.5%) | 0.59 (0.09–4.04 | 0.488 |
  No | 82/1062 (7.7%) |  |  |
f) Insecticide sprays + chemoprophylaxis | Â | Â | Â |
  Yes | 14/190 (7.4%) | 0.95 (0.55–1.66) | 0.505 |
  No | 69/894 (7.7%) |  |  |
g) Insecticide sprays + Chemoprophylaxis + ITN | Â | Â | Â |
  Yes | 0/11 (0%) | - | - |
  No | 83/1073 (7.7%) |  |  |