Asbestos exposure characteristics of former residents of Wittenoom by age of first residence
| First exposed aged <15 years | First exposed aged ≥15 years | Total | |
| n | 2439 | 2265 | 4704 |
| Female | 1176 (48.2) | 1343 (59.3) | 2519* |
| Age at Wittenoom (years) | |||
| 0 to <5 | 1553 (63.7) | 1553 (33) | |
| 5 to <10 | 637 (26.1) | 637 (13.5) | |
| 10 to <15 | 249 (10.2) | 249 (5.3) | |
| 15 to <30 | 1204 (53.2) | 1204 (25.6) | |
| 30+ | 891 (39.3) | 891 (18.9) | |
| Missing | 170 (7.5) | 170 (3.6) | |
| Year of arrival | |||
| ≤1958 | 866 (35.5) | 627 (27.7) | 1493 (31.7)* |
| 1959–1966 | 1038 (42.5) | 722 (31.9) | 1760 (37.4) |
| 1967+ | 535 (21.9) | 839 (37.0) | 1374 (29.2) |
| Missing | 77 (3.4) | 77 (1.6) | |
| Lived with ABA worker | 1760 (72) | 679 (28) | 2670 (57)* |
| Duration of residence (years) | |||
| <2 | 1347 (55.2) | 1248 (55.1) | 2595 (55.2) |
| 2 to <5 | 685 (28.1) | 498 (21.9) | 1183 (25.2) |
| 5 to <10 | 239 (9.8) | 232 (10.2) | 471 (10.0) |
| 10+ | 156 (6.4) | 164 (7.2) | 320 (6.8) |
| Missing | 12 (0.49) | 123 (5.4) | 135 (2.9) |
| Time from first exposure to exit (years) | |||
| 0–19 | 66 (2.7) | 172 (7.6) | 238 (5.1)* |
| 20–29 | 35 (1.4) | 204 (9.0) | 240 (5.1) |
| 30–39 | 154 (6.3) | 384 (16.9) | 538 (11.4) |
| 40–49 | 708 (29.0) | 732 (32.3) | 1440 (30.6) |
| 50–59 | 1122 (46.0) | 571 (25.2) | 1693 (36.0) |
| 60+ | 354 (14.5) | 124 (5.5) | 478 (10.2) |
| Missing | 0 | 77 (3.4) | 77 (1.64) |
| Cumulative exposure (f/mL·years) | |||
| 0 to <5 | 1499 (64.5) | 1496 (66.0) | 2995 (63.7)* |
| 5 to <10 | 463 (19.0) | 270 (11.9) | 733 (15.6) |
| 10+ | 421 (17.3) | 295 (13.0) | 716 (15.2) |
| Missing | 56 (2.3) | 204 (9.01) | 260 (5.5) |
| Mesotheliomas, n (%) | 59 (2.4) | 60 (2.7) | 119 (2.5) |
| Dead (all causes), n (%) | 301 (12.3) | 953 (42.1) | 1254 (26.7)* |
*P<0.001 (Χ2 test for group).
ABA, Australian Blue Asbestos.