Authors | Year | Country | Study type | Reference number |
Bengo et al. | 2010 | Malawi | Quantitative, cross-sectional | [30] |
Carrasco et al. | 2019 | Various African | Systematic review | [23] |
Jiang et al. | 2015 | China | Quantitative, cross-sectional | [38] |
Kebaabetswe et al. | 2003 | Botswana | Quantitative, cross-sectional | [31] |
Keetile & Buwelo | 2016 | Botswana | Quantitative, cross-sectional | [32] |
Lagarde et al. | 2003 | S. Africa | Quantitative, cross-sectional | [33] |
Mavhu et al. | 2011 | Zimbabwe | Quantitative, cross-sectional | [35] |
Mndzebel & Tegegn | 2014 | Botswana | Quantitative, cross-sectional | [36] |
Walcott et al. | 2013 | Jamaica | Quantitative, cross-sectional | [34] |
Westercamp & Bailey | 2007 | Various African | Systematic review | [24] |
Yan et al. | 2015 | China | Quantitative, cross-sectional | [28] |
Zamawe & Kusamula | 2015 | Malawi | Mixed methods | [37] |