Table 1.
Summary of the studies included in the meta-analysis of anaemia prevalence.
| Author | Year | Population | Prevalence of anaemia | Predominant helminth | Malaria status | HIV status | Ref. |
|---|---|---|---|---|---|---|---|
| Aderoba | 2015 | Nigeria | 26% | Ascaris lumbricoides | Excluded | 8% | [6] |
| Agu | 2013 | Nigeria | 40% | Hookworm | 53% | NR | [22] |
| Ahenkora | 2018 | Ghana | 63% | Ascaris lumbricoides | 19% | Excluded | [23] |
| Aikawa | 2006 | Vietnam | 43% | Ascaris lumbricoides | NR | NR | [24] |
| Anchang-Kimbi | 2017 | Cameroon | 88% | Schistosoma haematobium | 39% | NR | [25] |
| Argaw | 2020 | Ethiopia | 29% | Trichuris trichiura | NR | NR | [26] |
| Ayoya | 2006 | Mali | 63% | Hookworm | 11% | NR | [27] |
| Baingana | 2015 | Uganda | 29% | Hookworm | 5% | Excluded | [28] |
| Berhe | 2019 | Ethiopia | 25% | Hookworm | NR | NR | [29] |
| Bolka | 2019 | Ethiopia | 32% | Hookworm | NR | NR | [30] |
| Bondevik | 2000 | Nepal | 79% | Ascaris lumbricoides | NR | Excluded | [31] |
| Demeke | 2021 | Ethiopia | 7% | Hookworm | NR | Excluded | [32] |
| Dreyfuss | 2000 | Nepal | 67% | Hookworm | 20% | NR | [33] |
| Ebuy | 2017 | Ethiopia | 37% | Hookworm | 7% | 1% | [34] |
| Gari | 2020 | Ethiopia | 38% | Hookworm | 5% | Excluded | [35] |
| Gedefaw | 2015 | Ethiopia | 40% | Hookworm | 4% | NR | [36] |
| Getachew | 2012 | Ethiopia | 54% | Hookworm | 41% | NR | [37] |
| Hailu | 2019 | Ethiopia | 11% | Hookworm | NR | NR | [38] |
| Kefiyalew | 2014 | Ethiopia | 28% | Ascaris lumbricoides | 3% | NR | [39] |
| Kumera | 2018 | Ethiopia | 12% | Hookworm | NR | 1% | [40] |
| Larocque | 2005 | Peru | 47% | Hookworm | 0% | NR | [41] |
| Lebso | 2017 | Ethiopia | 23% | Ascaris lumbricoides | NR | NR | [42] |
| Lidstrom | 2010 | Bangladesh | 28% | Ascaris lumbricoides | NR | NR | [43] |
| Melku | 2014 | Ethiopia | 17% | Ascaris lumbricoides | 5% | 10% | [44] |
| Mengist | 2017 | Ethiopia | 17% | Hookworm | NR | NR | [45] |
| Muhangi | 2007 | Uganda | 40% | Hookworm | 11% | 12% | [46] |
| Ndyomugyenyi | 2008 | Uganda | 21% | Hookworm | 35% | NR | [47] |
| Ouédraogo | 2012 | Benin | 68% | Hookworm | 15% | Excluded | [48] |
| Phuanukoonnon | 2015 | New Guinea | 8% | Hookworm | NR | NR | [49] |
| Puerto | 2021 | Colombia | 42% | Trichuris trichiura | NR | Excluded | [50] |
| Rodriguez-Morales | 2006 | Venezuela | 65% | Ascaris lumbricoides | 0% | Excluded | [7] |
| Shah | 2005 | Nepal | 59% | Ascaris lumbricoides | NR | NR | [51] |
| Shrinivas | 2014 | India | 60% | Ascaris lumbricoides | NR | Excluded | [52] |
| Tay | 2017 | Ghana | 66% | Ascaris lumbricoides | 17% | NR | [53] |
| Tibambuya | 2019 | Ghana | 31% | Ascaris lumbricoides | 21% | Excluded | [54] |
| Tonga | 2019 | Cameroon | 72% | Schistosoma haematobium | NR | 2% | [55] |
| Tulu | 2019 | Ethiopia | 33% | Ascaris lumbricoides | 2% | Excluded | [56] |
| Wanyonyi | 2018 | Kenya | 49% | Ascaris lumbricoides | 22% | NR | [57] |