| Study | Reason for exclusion |
|---|---|
| Adokiya 2015 | Wrong technology |
| Beauregard 2017 | Mobile devices not used to deliver primary healthcare services |
| Beisel 2016 | Wrong technology |
| Boddy 2009 | Wrong technology |
| Bouskill 2018 | Wrong technology |
| Cai 2017 | Wrong participants |
| Campbell 2014 | Not primary health care |
| Crilly 2019 | Wrong technology |
| Dev 2019 | Wrong participants |
| Diese 2018 | Hypothetical use of mobile devices |
| Donald 2016 | Wrong technology |
| Doyle 2012 | Wrong study type |
| Duclos 2017 | Hypothetical use of mobile devices |
| Duggal 2018 | Hypothetical use of mobile devices |
| English 2016 | Not primary health care |
| Fairbrother 2013 | Wrong participants |
| Farrell 2016 | Not primary health care |
| Garrett 2008 | Hypothetical use of mobile devices |
| Golsteijn 2017 | Wrong participants |
| Griffiths 2017 | Not primary health care |
| Gururajan 2014 | Wrong study type |
| Haimi 2018 | Wrong technology |
| Halje 2016 | Not primary health care |
| Hallberg 2018 | Wrong participants |
| Hanna 2013 | Wrong participants |
| Harle 2014 | Wrong technology |
| Harris 2013 | Wrong participants |
| Holzman 2018 | Wrong technology |
| Johansson 2010 | Not primary health care |
| Kuiper 2010 | Wrong study type |
| Larsen 2012 | Wrong technology |
| Mares 2016 | Not primary health care |
| Mather 2015 | Not primary health care |
| McAlearney 2004 | Not primary health care |
| Mehta 2018 | Wrong technology |
| Melby 2014 | Wrong technology |
| Mirsky 2016 | Wrong technology |
| Mukasa 2017 | Wrong technology |
| Neville 2006 | Wrong technology |
| Ng 2017 | Wrong participants |
| Nygren 2014 | Wrong study type |
| Pahwa 2018 | Not primary health care |
| Pimmer 2014 | Not primary health care |
| Popeski 2015 | Wrong technology |
| Salbach 2011 | Wrong technology |
| Sampson 2016 | Wrong technology |
| Sanabria 2012 | Wrong study type |
| Seward 2018 | Not primary health care |
| Smillie 2014 | Hypothetical use of mobile devices |
| Sureshkumar 2016 | Wrong participants |
| Varsi 2015 | Not primary health care |
| Verwey 2012 | Wrong participants |
| Willcox 2015 | Wrong participants |
| Wittmann‐Price 2012 | Not primary health care |
| Wong 2013 | Wrong technology |
| Wools‐Kaloustian 2009 | Wrong study type |