(Abdulghani, Karim & Irfan 2009) |
|
|
✓ |
|
|
|
|
(Ahonsi et al. 2012) |
✓ |
✓ |
✓ |
✓ |
|
|
|
(Balakumar 2013) |
✓ |
|
|
|
|
|
|
(Bibi et al. 2013) |
|
|
✓ |
|
|
|
|
(Byamugisha et al. 2007) |
|
|
✓ |
✓ |
✓ |
|
|
(Chowdhury 2013) |
|
|
✓ |
|
|
|
|
(Creanga et al. 2011) |
|
|
✓ |
✓ |
✓ |
|
|
(Dawit, Van der Merwe & Smith 2010) |
✓ |
✓ |
|
|
|
|
|
(Ebuehi, Ebuehi & Inem 2006) |
✓ |
|
✓ |
✓ |
|
✓ |
|
(Ehrle & Sarker 2011) |
✓ |
✓ |
|
|
|
|
|
(Fayemi et al. 2010) |
|
✓ |
|
|
|
|
|
(Gawade et al. 2009) |
✓ |
|
|
|
✓ |
|
|
(Geidam, Kullima & Sadiq 2010) |
✓ |
|
✓ |
✓ |
✓ |
|
|
(Ibrahim, Ahmed & Shaaban 2013) |
|
|
✓ |
|
|
|
|
(Judge, Peterman & Keesbury 2011) |
|
|
✓ |
✓ |
✓ |
|
|
(Kassa, Hiwot et al. 2009) |
|
|
✓ |
|
|
|
✓ |
(Kassaye & Dwizedi 2009) |
|
|
✓ |
|
|
|
|
(Kestler & Ramirez 2004) |
|
|
✓ |
|
|
|
✓ |
(Khan et al. 2012) |
|
|
✓ |
✓ |
✓ |
|
|
(Kishore, Misro & Nandan 2010) |
✓ |
|
✓ |
✓ |
✓ |
|
|
(Lemma 2009) |
✓ |
|
|
|
|
|
|
(Liambila, Obare & Keesbury 2010) |
✓ |
|
|
|
|
|
|
(Mané et al. 2012) |
|
|
✓ |
✓ |
✓ |
|
|
(Mayhew, Osei & Bajos 2013) |
|
|
✓ |
✓ |
✓ |
|
|
(Mir & Malik 2010) |
|
|
|
|
|
✓ |
|
(Mishra & Saxena 2013) |
|
|
|
|
|
|
|
(Mondal et al. 2006) |
|
|
✓ |
|
|
|
|
(Obare, Keesbury & Liambila 2009) |
|
|
|
|
✓ |
|
|
(Okonofua et al. 2009) |
|
|
✓ |
|
|
|
|
(Onwuhafua et al. 2005) |
|
|
|
|
✓ |
|
|
(Oriji & Omietimi 2011) |
|
|
✓ |
|
|
|
|
(Shaki 2013) |
|
|
✓ |
✓ |
✓ |
|
|
(Syahlul & Amir 2005) |
|
|
✓ |
|
|
|
|
(Sychareun et al. 2010) |
|
|
✓ |
✓ |
|
|
|
(Thapa 2013) |
|
|
|
✓ |
|
|
|
(Tripathi, Rathore & Sachdeva 2003) |
|
|
✓ |
✓ |
✓ |
|
|
(Worku & Teklu 2011) |
|
|
|
|
|
|
|