4. Data table for QCA model 2 ‐ recruitment and retention processes.

	Successful intervention	Provision of additional marketing materials	Provision of incentives	Make‐up sessions provided	Reminders provided for attendance at activity
Joseph 2010	0.52	1	1	0	0
Kouba 2012	0.33	1	0	1	0
Dore‐Stites 2007	0.67	1	1	0	0
Joseph 2013	1.00	1	1	0	0
Mujuru 2011	0.67	0	0	0	1
Henry 2004	0.83	0	0	0	0
Pike 2011	0.67	0	0.5	0	0
Spencer 2000	0.33	1	0	0	0
Engelke 2013	0.50	0	0	0	0
Splett 2006	0.50	0	0	0	0
Kintner 2012	0.83	1	1	1	0
Berg 2004	0.83	0	1	0	0
Howell 2005	0.33	0	1	1	1
Gerald 2006	0.33	0	0	0	0
Langenfeld 2010	0.33	0	1	0	0
Al‐Sheyab 2012	0.83	0	0	0	0
Levy 2006	0.52	0	0	0	0
Terpstra 2012	1.00	1	1	1	1
Horner 2015	0.67	0	0	0	0
Bruzzese 2008	0.94	0	0	1	0
Lee 2011	0.50	0	0.75	0	0
Bruzzese 2004	0.33	0	1	0	1
Cicutto 2013	0.67	0	0	1	0
Brasler 2006	0.00	1	1	1	1
Crane 2014	0.50	0	0	0	0
Bruzzese 2011	0.88	0	0	1	0
Magzamen 2008	0.19	1	1	0	1

QCA: qualitative comparative analysis.