Table 2. Characteristics of asbestos-exposed controls (AEC).

Sample	Age	Sex	Smoking status
AEC001	61	Male	Yes
AEC002	69	Male	Yes
AEC004	67	Male	Ex
AEC005	68	Male	No
AEC008	77	Male	Yes
AEC010	76	Male	No
AEC011	60	Male	Ex
AEC012	76	Male	No
AEC014	79	Male	No
AEC015	69	Male	Ex
AEC016	67	Male	Yes
AEC017	56	Male	Ex
AEC018	80	Male	No
AEC019	67	Male	Yes
AEC020	47	Female	No
AEC021	74	Male	Ex
AEC022	62	Male	Yes