Table 1

PCC definitions, descriptions or components measured in included studies

Study condition	Fostering the relationship	Exchanging information	Addressing emotions	Managing uncertainty	Making decisions	Enabling self-management	Domains per study (n)
Study condition	Discuss roles and responsibilities Honesty and openness Trust in clinician competence Express caring Build rapport	Explore needs and preferences Share information Provide information resources Assess and facilitate understanding	Explore and identify emotions Assess anxiety or depression Validate emotions Express empathy or reassurance Provide help to deal with emotions	Define uncertainty Assess uncertainty (cognitive) Use emotion-focused management strategies (affective) Use problem-focused management strategies (behavioural)	Communicate about decision needs, support and process Prepare for deliberation and decision Make and implement a choice and action plan Assess decision quality and reflect on choice	Learn and assess Share and advise Prioritise and plan Prepare, implement and assist Arrange and follow-up	Domains per study (n)
Liang et al 26 2017 preventive	x	x			x	x	4
Callegari et al 29 2017 family planning		x	x	x	x		4
Morse et al 30 2017 family planning	x	x			x		3
Wang et al 34 2017 depression	x	x	x		x		4
Esmaeili et al 25 2016 cardiac	x	x	x	x	x		5
Dehlendorf et al 31 2016 family planning	x	x		x	x	x	5
Finney Rutten et al 35 2016 depression		x	x	x	x		4
Rossum et al 36 2016 depression		x		x	x	x	4
Pilgrim et al 32 2014 family planning	x	x		x	x		4
Jani et al 37 2012 depression	x	x	x		x	x	5
Yee et al 33 2011 family planning	x	x	x	x	x		5
Peters et al 27 2010 preventive	x	x				x	3
Chapman et al 38 2008 depression	x	x					2
Lasser et al 28 2008 preventive	x		x		x		3
Studies including domains (n)	11	13	7	7	12	5