TABLE 1.

Characteristics of the Screening Cohort

	Total, n	Alive, n (Row Proportion)	Deceased, n (Row Proportion)	P Value
All	8,043	6,614 (0.82)	1,429 (0.18)	–
Male	3,958	3,185 (0.80)	773 (0.20)	<0.0001
Female	4,085	3,429 (0.84)	656 (0.16)
Age at baseline, yrs
10–29	1,379	1,356 (0.98)	23 (0.02)	<0.0001
30–49	2,971	2,812 (0.95)	159 (0.05)
50–59	1,703	1,458 (0.86)	245 (0.14)
60–90	1,990	988 (0.50)	1,002 (0.50)
Smoking status
Never	4,054	3,640 (0.90)	414 (0.10)	<0.0001
Current/former	3,989	2,974 (0.75)	1,015 (0.25)
Exposure
WRG worker	413	272 (0.66)	141 (0.34)	<0.0001
Secondary contractor	453	335 (0.74)	118 (0.26)
Other asbestos occupation	1,671	1,334 (0.80)	337 (0.20)
Household contact	1,086	885 (0.81)	201 (0.19)
Resident	4,420	3,788 (0.86)	632 (0.14)
Pleural abnormality
Yes	1,020	589 (0.58)	431 (0.42)	<0.0001
No	6,374	5,395 (0.85)	979 (0.15)
No radiograph evaluated	649	630 (0.97)	19 (0.03)
Parenchymal abnormality
Yes	137	62 (0.45)	75 (0.55)	<0.0001
No	7,257	5,922 (0.82)	1,335 (0.18)
No radiograph evaluated	649	630 (0.97)	19 (0.03)