Table 2.
Distribution of malaria prevalence across asset-wealth quintiles in sub-Saharan African countries in 2015a
| Country | Total | Poorest quintile Q1 |
Richest quintile Q5 | Difference Q5-Q1 | Ratio Q5:Q1 | Concentration index (×100) |
|---|---|---|---|---|---|---|
| Benin | 28.5 (26.6 to 30.4) | 39.6 (35.2 to 44.0) | 15.4 (12.0 to 18.9) | –24.1 (–29.8 to –18.5) | 39.0 (29.2 to 48.8) | –21.0 (–25.3 to –16.8) |
| Burkina Faso | 45.9 (43.1 to 48.7) | 57.9 (53.1 to 62.7) | 13.9 (8.8 to 19.1) | –44.0 (–51.0 to –36.9) | 24.1 (14.9 to 33.2) | –32.8 (–37.6 to –28.0) |
| Burundi | 17.3 (13.6 to 21.0) | 25.9 (19.6 to 32.2) | 8.4 (4.7 to 12.1) | –17.5 (–24.4 to –10.6) | 32.4 (16.8 to 48.0) | –14.3 (–19.7 to –9.0) |
| Congo, Democratic Republic | 22.6 (20.4 to 24.8) | 23.0 (19.6 to 26.5) | 12.4 (9.2 to 15.6) | –10.6 (–15.4 to –5.9) | 54.0 (37.8 to 70.1) | –7.7 (–11.8 to –3.6) |
| Cote d’Ivoire | 18.0 (15.3 to 20.8) | 28.2 (22.8 to 33.6) | 4.3 (1.8 to 6.7) | –24.0 (–29.9 to –18.0) | 15.1 (6.0 to 24.1) | –20.6 (–25.8 to –15.5) |
| Ghana | 26.7 (23.9 to 29.6) | 42.1 (36.0 to 48.3) | 7.5 (3.9 to 11.2) | –34.6 (–41.8 to –27.5) | 17.9 (8.9 to 26.8) | –30.8 (–36.3 to –25.2) |
| Guinea | 43.9 (40.5 to 47.2) | 56.9 (51.7 to 62.2) | 8.3 (4.0 to 12.6) | –48.6 (–55.5 to –41.8) | 14.6 (6.9 to 22.3) | –32.1 (–38.2 to –26.1) |
| Kenya | 5.0 (3.7 to 6.2) | 5.8 (3.2 to 8.4) | 0.9 (–0.2 to 1.9) | –4.9 (–7.7 to –2.1) | 15.3 (–4.2 to 34.8) | –4.1 (–6.5 to –1.7) |
| Madagascar | 6.9 (4.8 to 9.0) | 14.1 (9.8 to 18.4) | 0.4 (–0.1 to 0.9) | –13.7 (–18.1 to –9.4) | 2.6 (–1.1 to 6.3) | –11.6 (–15.2 to –7.9) |
| Mali | 51.6 (48.7 to 54.5) | 69.4 (65.4 to 73.4) | 15.1 (11.8 to 18.3) | –54.3 (–59.5 to –49.1) | 21.7 (16.8 to 26.6) | –41.6 (–46.2 to –37.1) |
| Mozambique | 35.1 (32.0 to 38.2) | 53.3 (47.8 to 58.7) | 6.5 (4.2 to 8.8) | –46.8 (–52.5 to –41.0) | 12.2 (7.8 to 16.6) | –37.7 (–42.7 to –32.7) |
| Rwanda | 2.2 (1.6 to 2.9) | 4.7 (3.1 to 6.3) | 0.2 (–0.2 to 0.5) | –4.5 (–6.2 to –2.8) | 3.9 (–3.9 to 11.7) | –3.7 (–5.1 to –2.3) |
| Senegal | 1.2 (0.6 to 1.8) | 3.5 (1.6 to 5.4) | 0.4 (–0.4 to 1.3) | –3.1 (–5.2 to –0.9) | 12.4 (–13.8 to 38.6) | –2.7 (–4.4 to –1.1) |
| Tanzania | 5.6 (4.6 to 6.5) | 8.0 (6.0 to 10.0) | 1.0 (0.4 to 1.6) | –7.0 (–9.1 to –4.9) | 12.2 (3.9 to 20.5) | –6.8 (–8.6 to –4.9) |
| Togo | 36.4 (33.3 to 39.5) | 49.1 (44.1 to 54.0) | 9.2 (6.0 to 12.4) | –39.8 (–45.7 to –33.9) | 18.8 (12.1 to 25.6) | –35.2 (–40.2 to –30.2) |
| Uganda | 20.1 (17.2 to 22.9) | 29.8 (24.5 to 35.1) | 4.0 (2.1 to 5.9) | –25.8 (–31.6 to –20.1) | 13.3 (6.4 to 20.3) | –19.4 (–24.0 to –14.9) |
Microscopy-confirmed malaria prevalence (percent) in children aged 6–59 months assessed in a representative sub-sample of the Demographic and Health Survey/Malaria Indicator Survey (DHS/MIS) surveyed population. 95% confidence intervals adjusted for survey design are reported in parenthesis. Prevalence estimates according to rapid diagnostic tests are reported in Additional file 5
aData drawn from a subset of countries with Demographic and Health Survey/Malaria Indicator Survey conducted after 2010 (ISO3 codes and years of data collection are detailed in Additional file 1: Table SA1)