Table 1 Included studies
First author’s last name | Year of publication | Country involved | Study design | |
|---|---|---|---|---|
1 | Dambisya [1] | 2007 | Angola, Botswana, DRC, Kenya, Lesotho, Madagascar, Malawi, Mauritius, Mozambique, Namibia, South Africa, Swaziland, Tanzania, Uganda, Zambia, Zimbabwe | Descriptive study |
2 | Bärnighausen [6] | 2009 | sub-Saharan Africa | Cost–benefit analysis |
3 | Adjei [13] | 2009 | Ghana | Descriptive study |
4 | Baumann [14] | 2006 | Uganda, Thailand, United Kingdom and Canada | Descriptive study |
5 | Bhattacharyya [15] | 2001 | Nigeria, Ethiopia, Bangladesh, Zambia, Guatemala | Descriptive study |
6 | Caffrey [16] | 2006 | Malawi | Descriptive study |
7 | Cavender [17] | 1998 | Ecuador | Cross-sectional study |
8 | Chomitz [18] | 1998 | Indonesia | Retrospective cohort study |
9 | De Arellano [19] | 1981 | USA | Descriptive study |
10 | Ditlopo [20] | 2011 | South Africa | Qualitative study |
11 | Duttera [21] | 2000 | USA | Retrospective cohort study |
12 | Efendi [22] | 2012 | Indonesia | Descriptive study |
13 | George [23] | 2013 | South Africa | Cross-sectional study |
14 | Koot [24] | 2005 | Zambian | Qualitative study |
15 | Laven [25] | 2005 | Australia | Case–control study |
16 | Matsumoto [26] | 2008a | Japan | Prospective cohort study |
17 | Matsumoto [27] | 2008b | Japan | Prospective cohort study |
18 | Matsumoto [28] | 2009 | Japan | Prospective Cohort study |
19 | Matsumoto [29] | 2010a | Japan | Prospective cohort study |
20 | Matsumoto [30] | 2010b | Japan | Retrospective cohort study |
21 | Meliala [31] | 2013 | Indonesia | Descriptive study |
22 | Pagaiya [32] | 2009 | Thailand | Descriptive study |
23 | Pathman [33] | 2000a | USA | Cross-sectional study |
24 | Pathman [34] | 2000b | USA | Descriptive study |
25 | Pathman [35] | 2004 | USA | Cross-sectional study |
26 | Peña [36] | 2010 | Chile | Descriptive study |
27 | Reid [37] | 2004 | South Africa | Retrospective cohort study |
28 | Renner [38] | 2010 | USA | Retrospective cohort study |
29 | Ross [39] | 2004 | South Africa | Descriptive study |
30 | Ross [40] | 2007 | South Africa | Qualitative study |
31 | Shroff [41] | 2013 | India | Qualitative study |
32 | Thaker [42] | 2008 | USA | Descriptive study |
33 | Weiss [43] | 1980 | USA | Descriptive study |
34 | Wibulpolprasert [44] | 2003 | Thailand | Descriptive study |
35 | Wiwanitki [45] | 2011 | Thailand | Descriptive study |
36 | Wongwatcharapaiboon [46] | 1999 | Thailand | Retrospective cohort Study |
37 | Yumkella [47] | 2009 | Kenya, Ghana, Swaziland, Zambia, Uganda, | Descriptive study |
38 | Zurn [48] | 2010 | Senegal | Descriptive study |
39 | Gow [49] | 2013 | Zambia | Cross-sectional study |
40 | Goma [50] | 2014 | Zambia | Cross-sectional study |