Table 2

Sociodemographic characteristics of patients initially selected

	Patients initially selected

Characteristic	Targeted	Opportunistic	Total
Participants, n (%)	815 (49.9)	819 (50.1)	1634 (100)
Male, n (%)	511 (62.7)	526 (64.2)	1037 (63.5)
Mean age, years (SD)	50.9 (11.2)	51.1 (11.7)	51.0 (11.5)
Mean IMD (SD)	43.7 (14.2)	42.1 (14.3)	42.9 (14.3)
IMD quintile, n (%)
1^a	601 (73.7)	560 (68.4)	1161 (71.1)
2	144 (17.7)	175 (21.4)	319 (19.52)
3	63 (7.7)	76 (9.3)	139 (8.51)
4	4 (0.5)	7 (0.9)	11 (0.67)
5^b	3 (0.4)	1 (0.1)	4 (0.24)

IMD = Index of Multiple Deprivation¹⁴ (a measure of socioeconomic deprivation). SD = standard deviation.
↵a Most deprived.
↵b Least deprived.