Table 1

Participants’ characteristics

		Total		JBS3		QRISK		Difference
		n	%	n	%	n	%	r *
Age (years)	40–54	60	34.68	24	24.00	36	49.32	0.32
	55–64	54	31.21	30	30.00	24	32.88
	65–74	59	34.10	46	46.00	13	17.81
	Total	173		100		73
Gender	Male	86	49.71	49	49.00	37	50.68	0.05
	Female	87	50.29	51	51.00	36	49.32
	Total	173		100		73
Ethnicity†	WBRI	144	83.24	81	81.00	63	86.30	0.07
	BAME groups	29	16.76	19	19.00	10	13.70
	Total	173		100		73
CVD risk category‡	Low	104	60.12	57	57.00	47	64.38	0.06
	Medium–high	67	38.73	41	41.00	26	35.62
	Total	171		98		73

*Effect size, r: where 0.1 is small, 0.3 is medium, 0.5 is large.
†Ethnicity: White British (WBRI); black, Asian and minority ethnic group (BAME).
‡Cardiovascular disease (CVD) risk categories: low is 10%, medium-high is ≥10%.