Table 2.
Quality assessment of included studies.
| Author | Adequate sample size | Reported baseline characteristics | Randomization | Unannounced home visit | Reported adherence measure | Addressed lost to follow-up | Excluded confounders |
|---|---|---|---|---|---|---|---|
| Ajayi et al. 2008 [22] | Y | Y | N | NC | Y | NC | Y |
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| Asante et al. 2009 [23] | Y | Y | Y | NC | Y | Y | Y |
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| Bell et al. 2009 [28] | Y | Y | Y | N | Y | N | Y |
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| Chinbuah et al. 2006 [34] | NA | Y | N | N | Y | NR | N |
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| Fogg et al. 2004 [31] | Y | Y | N | Y | Y | NR | Y |
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| Kabanywanyi et al. 2010 [25] | Y | Y | Y | N | Y | NR | N |
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| Kachur et al. 2004 [32] | Y | Y | Y | Y | Y | NR | Y |
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| Lawford et al. 2011 [24] | Y | Y | N | Y | Y | NR | Y |
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| Mace et al. 2011 [30] | Y | Y | N | Y | Y | Y | Y |
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| Beer et al. 2009 [27] | Y | Y | N | Y | Y | Y | Y |
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| Simba et al. 2012 [35] | Y | Y | N | Y | Y | Y | Y |
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| Depoortere et al. 2004 [33] | Y | Y | N | Y | Y | Y | Y |
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| Gerstl et al. 2010 [26] | Y | Y | N | Y | Y | Y | Y |
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| Lemma et al. 2011 [29] | Y | Y | N | Y | Y | Y | Y |
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| Onyango et al. 2012 [12] | Y | Y | N | NC | Y | NR | Y |
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| Cohen et al. 2012 [36] | Y | Y | Y | Y | Y | Y | Y |
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| Achan et al. 2009 [37] | Y | Y | N | Y | Y | NC | Y |
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| Amponsah et al. 2015 [38] | Y | Y | N | N | Y | Y | Y |
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| Aung et al. 2015 [39] | Y | Y | N | Y | Y | Y | Y |
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| Bruxvoort et al. 2015 [40] | Y | Y | N | NC | Y | Y | Y |
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| Congpuong et al. 2010 [41] | Y | Y | N | N | Y | NR | Y |
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| Ewing et al. 2015 [42] | Y | Y | Y | N | Y | Y | Y |
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| Gore-Langton et al. 2015 [43] | Y | Y | N | N | Y | Y | Y |
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| Siddiqui et al. 2015 [44] | Y | Y | N | N | Y | Y | Y |
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| Ogolla et al. 2013 [45] | Y | N | NC | Y | Y | Y | |
Y: yes, N: no, NC: not clear, and NR: not reported.