1. TIDieR information available across studies.

Study	Information available
	Who provided	How	Where	When and how much	Tailoring	Modification	Strategies fidelity	Extent fidelity
Abdul Aziz 2014	√	√	√	√	X	X	X	X
Forster 2013	√	√	X	√	√	X	√	X
Forster 2015	√	√	X	√	X	X	X	X
McCluskey 2016	√	√	√	√	√	√	X	X
Pennington 2005	√	√	√	√	√	X	X	X
Power 2014	√	X	X	√	X	X	X	X
Salbach 2017	X	√	X	√	√	X	X	√
Strasser 2008	√	√	√	√	√	X	√	√
Thomas 2015	X	√	X	X	√	√	√	X

√: yes; X: no; TIDieR: Template for Intervention Description and Replication.