TABLE 2.

Overview of outcomes and results

Strategy	Study		Outcomes
			Acceptability	Emotional response	Risk knowledge and understanding	Intentions	Changes in health behaviours or risk factors
Numerical format
Percentage	Powers et al. (2011)		+		+	−	o
Risk ratios	Fair et al. (2008)			−	+	+
Heart age	Bonner et al. (2015)		−	−	+	−
	Lopez‐Gonzalez et al. (2015)						+
	Damman et al. (2018)				+	+
Graphical format
Icon arrays	Ruiz et al. (2013)				−	−
	Zikmund‐Fisher et al. (2014)	Rest rooms and photos			+
		Blocks and faces			−
	Witteman et al. (2014)				+	−
	French et al. (2004)			+
Bar graphs	French et al. (2004)			+
	Adarkwah et al. (2019)				+
	Navar et al. (2018)				+	+
Avatars	Witteman et al. (2014)				+	+
	Ruiz et al. (2016)				o	+
Qualitative information	Damman et al. (2018)				+
Infographics	Damman et al. (2018)				−
Timeframe
Lifetime	Fair et al. (2008)			−
Shorter timeframe (5–10 years)	Frileux et al. (2004)					+
Genetic risk score	Domenech et al. (2016)						+
	Knowles et al. (2017)				+		+	o a
Cardiovascular imaging
Coronary artery calcium scoring	Johnson et al. (2015)						+
	Orakzai et al. (2008)						+
	Kalia et al. (2015)						+
Ultrasound carotid	Näslund et al. (2019)						+
	Korcarz et al. (2008)				+	+

^a Positive effect on weight but negative effect on LDL cholesterol. ; ; .