Table 4.
Malaria parasite prevalence in children 6–59 months confirmed by microscopy in Senegal, 2008 and 2010
| Characteristics | MIS 2008 | DHS 2010 | Variation (95% CI) | P value* | ||
|---|---|---|---|---|---|---|
| % (95% CI) | N | % (IC 95%) | N | |||
| Total | 5.7 (4.4–7.3) | 3,847 | 2.9 (2.1–3.8) | 3,762 | −2.8 (−3.7; −1.8) | 0.001 |
| Age (months) | ||||||
| 6–11 | 2.4 (1.3–4.6) | 340 | 1.9 (0.9–3.8) | 394 | −0.5 (−2.6; 1.6) | 0.32 |
| 12–23 | 3.5 (2.3–5.4) | 863 | 1.4 (0.8–2.6) | 813 | −2.1 (−3.5; −0.6) | 0.002 |
| 24–59 | 6.8 (5.8–7.7) | 2,644 | 3.4 (2.6–4.1) | 2,553 | −3.4 (–4.5; −2.2) | 0.001 |
| Epidemiologic zone | ||||||
| Dakar | 0.8 (0.2–3.2) | 723 | 1.5 (0.4–6.2) | 761 | 0.7 (−0.3; 1.7) | 0.10 |
| North | 2.4 (1.6–3.1) | 1,769 | 1.1 (0.6–1.6) | 1,528 | −1.3 (−2.1; −0.4) | 0.002 |
| Center | 6.9 (5.1–8.6) | 803 | 3.7 (2.4–4.9) | 873 | −3.2 (−5.3; −10.4) | 0.001 |
| South | 20.6 (17.2–23.9) | 552 | 7.7 (0.4–6.2) | 600 | −12.9 (−16.9; −8.9) | 0.001 |
| Wealth quintile | ||||||
| Poorest | 15.8 (12.1–20.4) | 855 | 6.2 (4.2–8.9) | 849 | −9.6 (6.6; 12.5) | 0.001 |
| Fourth | 7.3 (4.7–11.4) | 843 | 2.1 (1.2–3.5) | 817 | −5.0 (−8.7; −1.7) | 0.001 |
| Middle | 1.4 (0.7–2.9) | 825 | 1.6 (0.8–3.3) | 764 | 0.2 (−1.5; 5.5) | 0.86 |
| Second | 0.7 (0.2–2.1) | 709 | 1.6 (0.7–3.7) | 734 | 0.9 (0.5; 1.2) | 0.001 |
| Richest | 0.7 (0.2–3.0) | 615 | 2.3 (0.7–7.3) | 597 | 1.6 (1.3; 4.5) | 0.001 |
Source: DHS 2010, MIS 2008. N = number of children under-five (denominator).
*
Pearson χ2 one-sided test.