Table 1.
Study period | Publication year | Country | Study design | Study period | Sample size | Prevalence with 95% CI |
---|---|---|---|---|---|---|
Ade et al. [30] | 2015 | Cotonou-Benin | Cross-sectional | June–July/ 2014 | 159 | 1.9 (1, 5) |
Faurholt-Jepsen et al. [9] | 2011 | Tanzania | Case control | Apr 2006-Jan 2009 | 803 | 16 (14, 19) |
Haraldsdottir et al. [25] | 2015 | Guinea-Bissau | NR | July 2010–July 2011 | 107 | 2.8 (1, 8) |
Kibirige et al. [24] | 2013 | Uganda | Cross-sectional | Sep 2011-Feb 2012 | 260 | 8.5 (6, 12) |
Ogbera et al. [21] | 2014 | Nigeria | Cross-sectional | Sep 2010–Mar 2012 | 3, 376 | 4.8 (4, 8) |
Olayinka et al. [19] | 2013 | Nigeria | Cross-sectional | NR | 351 | 5.7 (4, 9) |
Workneh et al. [16] | 2016 | Ethiopia | Cross-sectional | Sep 2103–Sep 2014 | 1, 314 | 8.3 (7, 10) |
Ogbera et al. [20] | 2015 | Nigeria | Descriptive observational study | Mar 2011-July 2012 | 4, 000 | 12 (11, 13) |
Getachew et al. [26] | 2014 | Ethiopia | Cross-sectional | Oct 2011-Aug 2012 | 199 | 8.5 (5, 13) |
Damtew et al. [28] | 2014 | Ethiopia | Cross-sectional | Feb2014-May 2014 | 120 | 16 (10, 23) |
Balad et al. [29] | 2006 | Guinea | NR | Feb -June 2002 | 388 | 3.4 (2, 6) |
Rakotonirina et al. [17] | 2014 | Madagascar | Descriptive | July15-Oct.30,2013 | 156 | 5.8 (3, 11) |
Mugusi et al. [23] | 1999 | Tanzania | NR | NR | 506 | 6.7 (5, 9) |
Owiti et al. [18] | 2017 | Kenya | Cross-sectional | Jan -June 2016 | 454 | 6.7 (3, 7) |
Fonkeng et al. [27] | 2017 | Cameroon | Cross-sectional | Nov 2014-July 2015 | 222 | 9.5 (6, 19) |
Ekeke et al. [22] | 2017 | Nigeria | Prospective study | NR | 871 | 38 (35, 41) |