Table 2—

Asbestos exposure parameters in the Asbestos Post EXposure Survey

n (%)RangeMean±sd
Time since first exposure yrs
 1st quartile1355 (24.5)0–37
 2nd quartile1116 (20.1)37–42
 3rd quartile1675 (30.2)42–48
 4th quartile1399 (25.2)48–72
 Overall554541.9±8.1
Exposure duration yrs
 1st quartile1321 (23.8)0–20
 2nd quartile1324 (23.9)20–29
 3rd quartile1408 (25.4)29–36
 4th quartile1492 (26.9)36–50
 Overall554527.4±11.1
Level of exposure
 Low166 (3.0)
 Moderate936 (16.9)
 High4443 (80.1)
 Overall5545
Cumulative exposure index
 1st quartile1306 (23.5)0–30
 2nd quartile1386 (25.0)30–52
 3rd quartile1380 (24.9)52–70
 4th quartile1473 (26.6)70–100
 Overall554549.6±26.7