Table 3 Risk factors for P. falciparum infection in children aged 1 to 14 years from 13 years of survey data
Risk factors | % RDT positive (N) | Odds ratios (OR)a | 95% CI | p value | Adjusted Odds Ratios (aOR)b | 95% CI | p value | |
|---|---|---|---|---|---|---|---|---|
Intervention use | ||||||||
No intervention | 24.4% (13,871) | 1 | 1 | p < 0.001 | ||||
Sleeping under a net | 17.6% (4826) | 0.69 | (0.61–0.80) | p < 0.001 | 0.75 | (0.63–0.88) | ||
Sleeping in a sprayed house | 22.1% (26,351) | 0.87 | (0.78–0.97) | 0.86 | (0.77–0.96) | |||
Slept under a net and sleeping in a sprayed house | 15.7% (14,867) | 0.57 | (0.52–0.63) | 0.58 | (0.53–0.63) | |||
Age group | ||||||||
1–5 years | 20.8% (32,077) | 1 | p < 0.001 | 1 | p < 0.001 | |||
5–10 years | 28.9% (22,952) | 1.59 | (1.43–1.78) | 1.70 | 1.60–1.80 | |||
10–14 years | 29.9% (13,818) | 1.67 | (1.53–1.84) | 1.95 | 1.78–2.11 | |||
Site location | ||||||||
Living in an urban site | 21.3% (35,141) | 1 | ||||||
Living in a rural site | 21.6% (33,706) | 1.0 | (0.65–1.54) | 0.962 | ||||
Spray coverage | ||||||||
Living in a site with spray coverage < 80% | 26.4% (50,754) | 1 | ||||||
Living in a site with spray coverage ≥ 80% | 19.9% (18,093) | 0.74 | (0.46–1.2) | p = 0.214 | ||||
Site altitude | ||||||||
Living in a site with median altitude < 108 m | 23.9% (45,407) | 1 | ||||||
Living in a site with median altitude ≤ 108 m | 16.7% (23,482) | 0.79 | (0.47–1.3) | 0.345 | ||||
Previous transmission level | ||||||||
Living in a site with low prevalence in 2004 (< 45%) | 21.4% (39,016) | 1 | 1 | |||||
Living in a site with high prevalence in 2004 (> 45%) | 31.3% (29,831) | 1.72 | (1.31–2.26) | p < 0.001 | 1.66 | 1.22–2.26 | 0.003 | |