| Study | Reason for exclusion |
|---|---|
| Abubakari 2014 | Wrong study design. |
| ACTRN12611001170910 | Ineligible setting; not LMIC (New Zealand). |
| Aker 2017 | Ineligible setting. |
| Akresh 2016 | Ineligible outcomes. |
| Alderman 2009 | Wrong intervention. |
| Alvarez 2008 | Wrong study design. |
| Amarante 2016 | Wrong study design. |
| Attanasio 2014 | Wrong study design. |
| Attanasio 2014a | Wrong intervention. |
| Ayala 2015 | Ineligible setting; not LMIC. |
| Ayele 2003 | Wrong study design. |
| Barber 2008 | Wrong study design. |
| Bazzi 2012 | Ineligible outcomes. |
| Behrman 2009 | Wrong outcomes. |
| Bezu 2014 | Wrong study design. |
| Bihan 2010 | Ineligible setting; not LMIC. |
| Bleich 2007 | Wrong study design. |
| Braido 2012 | Wrong study design. |
| Broutin 2006 | Wrong study design. |
| Buller 2016 | Wrong outcomes. |
| Cabral 2014 | Wrong study design. |
| Cardenas 2015 | Wrong study design. |
| Cluver 2018 | Ineligible intervention. |
| Cohen 2015 | Wrong patient population. |
| Dammert 2009 | Wrong outcomes. |
| Debela 2015 | Wrong study design. |
| Downs 2017 | Ineligible intervention. |
| ENN 2018 | Ineligible setting. |
| Fenn 2015_Niger | Wrong study design. |
| Fernald 2017 | Wrong intervention. |
| Fortin 2016 | Wrong outcomes. |
| Gelli 2017 | Ineligible intervention. |
| Gertler 2012 | Ineligible outcomes. |
| Gram 2019 | Ineligible outcomes. |
| Grellety 2017 | Ineligible participants. |
| Gutiérrez 2019 | Ineligible outcomes. |
| Haghparast‐Bidgoli 2019 | Ineligible intervention. |
| Haque 2017 | Ineligible outcomes. |
| Hardin Fanning 2014 | Wrong study design. |
| Huey 2019 | Ineligible intervention. |
| Idiaye 2014 | Wrong study design. |
| ISRCTN10323949 | Ineligible intervention. |
| ISRCTN77820875 | Ineligible study design. |
| Issaley 2013 | Wrong study design. |
| Jharendu 2014 | Ineligible outcomes. |
| Kagawa 2017 | Wrong intervention. |
| Kakuhikire 2016 | Wrong study design. |
| Kidoido 2015 | Wrong study design. |
| Kim 2012 | Wrong outcomes. |
| Kimenju 2015 | Wrong study design. |
| Kronebusch 2019 | Ineligible outcomes. |
| KumarGhosh 2011 | Wrong study design. |
| Lopez 2018 | Ineligible outcomes. |
| Loubser 2010 | Wrong study design. |
| Martins 2013 | Wrong study design. |
| Mascie Taylor 2010 | Wrong intervention. |
| NCT02558660 | Not conducted in a LMIC (USA‐based study). |
| NCT02577705 | Ineligible setting; not LMIC. |
| NCT02843178 | Ineligible setting; not LMIC (USA). |
| NCT03311698 | Ineligible intervention. |
| NCT04135625 | Ineligible intervention. |
| NCT04166370 | Ineligible intervention. |
| NCT04171999 | Ineligible participants. |
| Nisbett 2016 | Wrong study design. |
| Nsabuwera 2016 | Wrong study design. |
| Olajide‐Taiwo 2011 | Wrong outcomes. |
| Pasdar 2016 | Wrong study design. |
| Pereko 2017 | Ineligible intervention. |
| Perez Lu 2016 | Wrong study design. |
| Prifti | Ineligible outcomes. |
| Quiñones 2016 | Wrong study design. |
| Ragini 2017 | Ineligible intervention. |
| Rahman 2015 | Wrong outcomes. |
| Ramirez‐Silva 2013 | Wrong study design. |
| Roschnik 2017 | Ineligible intervention. |
| Roy 2019 | Ineligible outcomes. |
| Rutherford 2016 | Wrong study design. |
| Schultz 2001 | Wrong outcomes. |
| Schwab 2019 | Ineligible outcomes. |
| Sinharoy 2017 | Ineligible intervention. |
| Sudfeld 2019 | Ineligible intervention. |
| TorresSalcido 2015 | Wrong study design. |
| Wang 2012 | Wrong study design. |
| Young 2014 | Ineligible outcomes. |
| Zhang 2018 | Ineligible outcomes. |
LMIC: low‐ and middle‐income country.