Table 2.

Mixed methods research Camp COOL

Study sample: Study phases:	Young people that participated in Camp COOL	Initiators or staff of Camp COOL	Nephrology professionals that refer patients to Camp COOL
Phase 1: Gaining insight into Camp COOL	February 2011	January 2011	January 2011
	Semi-structured interviews (n=2)	Semi-structured interviews (n=2)	Semi-structured interviews (n=3)
	March-June 2011
	Retrospective questionnaire (n=24, response: 46%)
Phase 2: Evaluation of Camp COOL in 2011 and 2012	September 2011, and October 2012	December 2012
	Participant observations during camp	Semi-structured interviews (n=2)
	September 2011, and October 2012
	Pre-post questionnaires (n=36, response: 95%)
	December 2011/2012, and January 2012/2013
	Semi-structured interviews after camp (n=10)