Author/year | Country | Study design | Sample size | Quality status |
---|---|---|---|---|
Abaraya et al. 2016 [57] | Ethiopia | Unmatched case control | 656 | Low risk |
Abrams et al.2004 [72] | Malawi | Cross sectional | 572 | Low risk |
Adam et al.2010 [74] | Sudan | Cross sectional | 1200 | Low risk |
Adane et al. 2014 [60] | Ethiopia | Cross sectional | 481 | Low risk |
Aidoo et al.2001 [67] | Kenya | Retrospective cohort | 1077 | Low risk |
Alhaj et al.2010 [10] | Sudan | Case control | 293 | Low risk |
Alson et al.2010 [85] | Madagascar | Cohort | 206 | Low risk |
Arnaldo et al. 2018 [82] | Mozambique | Cross sectional | 1038 | Low risk |
Ayebare E et al. 2018 [7] | Uganda | Case control | 296 | Low risk |
Ayisi et al.2003 [66] | Kenya | Cohort | 5168 | Low risk |
Berhanie et al. 2019 [53] | Ethiopia | Unmatched case control | 954 | Low risk |
Chagomerana et al.2017 [68] | Malawi | Retrospective cohort | 3074 | Low risk |
Chico et al.2017 [75] | Zambia | Prospective cohort | 1086 | Low risk |
Cole et al.2001 [50] | Tanzania | Prospective cohort | 1078 | Low risk |
Deborah Watson-Jones et al.2007 [48] | Tanzania | Prospective cohort | 1688 | Low risk |
Deressa, et al. 2018 [56] | Ethiopia | Cross sectional | 384 | Low risk |
Feresu et al.2004 [79] | Zimbabwe | Case control | 3103 | Low risk |
Feresu et al.2004 [80] | Zimbabwe | Retrospective cohort | 17,174 | Low risk |
Gebreslasie K 2016 [62] | Ethiopia | Cross sectional | 540 | Low risk |
Gesase et al.2018 [34] | Tanzania | Cross sectional | 1117 | Low risk |
Habib et al.2008 [47] | Tanzania: | Cohort | 16,762 | Low risk |
Kalanda et al.2006 [71] | Malawi | Cross sectional | 4104 | Low risk |
Karki S 2016 [5] | Kenya | Cross sectional | 691 | Low risk |
Kebede et al.2013 [61] | Ethiopia | Retrospective cohort | 416 | Low risk |
Kumwenda et al.2017 [76] | Zambia | Comparative cross sectional | 200 | Low risk |
Laelago et al.2017 [58] | Ethiopia | Cross sectional | 195 | Low risk |
Lepory et al.1998 [84] | Rwanda | Prospective cohort | 1233 | Low risk |
Li et al.2016 [41] | Tanzania | Prospective cohort | 3314 | Low risk |
Mace et al.2015 [77] | Zambia | Retrospective cohort | 435 | Low risk |
Mahand et al.2013 [46] | Tanzania | Cohort | 3359 | Low risk |
Mahande et al.2016 [39] | Tanzania | Retrospective cohort | 17,030 | Low risk |
Mahande et al.2016 [39] | Tanzania | Retrospective cross sectional | 30,797 | Low risk |
Mahande, et al. 2017 [37] | Tanzania | Matched case control | 100 | Low risk |
Mahapula et al. 2016 [38] | Tanzania | Case control | 754 | Low risk |
McDonald CR, et al.2015 [43] | Tanzanian | Cohort | 1054 | Low risk |
Mekonen et al.2019 [52] | Ethiopia | Cross sectional | 575 | Low risk |
Menendez et al.2000 [51] | Tanzania. | Cross sectional | 1225 | Low risk |
Mochache KM/2016 [65] | Kenya | Prospective cohort | 292 | Low risk |
Mosha et al.2015 [36] | Tanzania. | Cohort study | 2167 | Low risk |
Mosha et al.2016 [36] | Tanzania | Prospective cohort | 7634 | Low risk |
Mpogoro et al.2014 [44] | Tanzania | Cross sectional | 431 | Low risk |
Muti et al.2015 [78] | Zimbabwe | Cross sectional | 287 | Low risk |
Muti et al.2015 [78] | Zimbabwe | Cross sectional | 287 | Low risk |
Ndeserua [42] et al.2015 | Tanzania | Cross sectional | 350 | Low risk |
Okube et al. 2017 [64] | Kenya | Cross sectional | 184 | Low risk |
Osman et al.2001 [83] | Mozambique | Prospective cohort | 908 | Low risk |
Rempis’ et al. 2017 | Uganda | Cross-sectional | 412 | Low risk |
Sharif et al2017 [73] | Sudan | Case control | 112 | Low risk |
Sigalla et al. 2017 [35] | Tanzania | Prospective cohort | 1133 | Low risk |
Stephen et al.2018 [33] | Tanzania | Cohort | 529 | Low risk |
Sullivan et al.1999 [6] | Malawi | Cross sectional | 178 | Low risk |
Taha et al.2012 [4] | Malawi | Cross sectional | 8874 | Low risk |
Teklay et al.2018 [55] | Ethiopia | Un-matched retrospective case–control | 264 | Low risk |
Turner et al.2013 [70] | Malawi | Cohort | 809 | Low risk |
Van den Broek et al.2014 [69] | Malawi | Cross sectional | 2149 | Low risk |
Wagura et al. 2018 [54] | Kenya | Cross sectional | 322 | Low risk |
Watson-Jones et al.2002 [49] | Tanzania | Retrospective cohort | 380 | Low risk |
Zerfu et al.2016 [59] | Ethiopia | prospective cohort | 432 | Low risk |