Table 1.

A demographic representation of the 94 participants selected from the Australian Breakthrough Cancer cohort.

History	Males (N = 35)	Females (N = 59)
Age at blood draw, years
Median	70	69
Range	66–76	65–76
Smoking status
Never	19 (54%)	34 (58%)
Former	16 (46%)	23 (39%)
Current	0	2 (3%)
Ethnicity(self-reported)
Northern European	30 (86%)	41 (69%)
Southern European	2 (6%)	2 (3%)
Other European	2 (6%)	11 (19%)
Other	NA	2 (3%)
Unknown	1 (3%)	3 (5%)