Characteristics of pleural and peritoneal cases and non-cases
| Pleural | Peritoneal | Non-cases | Total | p value* | |
|---|---|---|---|---|---|
| (n = 56) | (n = 20) | (n = 1912) | (n = 1988) | ||
| *All cases v non-cases. | |||||
| †Geometric mean. | |||||
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | ||
| Age at start of study | 59 (10) | 58 (7) | 52 (12) | 52 (12) | <0.001 |
| Age at first exposure (years) | 26 (9) | 24 (5) | 21 (11) | 21 (11) | <0.001 |
| Time since first exposed (years) | 33 (5) | 34 (3) | 31 (6) | 31 (6) | 0.0036 |
| Mean (IQR) | Mean (IQR) | Mean (IQR) | Mean (IQR) | ||
| Duration of exposure (days)† | 360 (134–976) | 585 (383–1037) | 282 (103–852) | 286 (106–868) | 0.0318 |
| Intensity of exposure (f/ml)† | 13 (3–40) | 24 (11–96) | 6 (2–20) | 6 (2–20) | <0.001 |
| Cumulative exposure (f/ml-year)† | 13 (6–29) | 38 (16–135) | 5 (2–13) | 5 (2–14) | <0.001 |
| n (%) | n (%) | n (%) | n (%) | ||
| Sex | |||||
| Male | 49 (88) | 20 (100) | 1,383 (72) | 1452 (73) | <0.001 |
| Female | 7 (9) | 0 | 529 (28) | 536 (27) | |
| Smoking status | |||||
| Never | 16 (29) | 2 (10) | 515 (27) | 533 (27) | 0.212 |
| Past | 31 (55) | 16 (80) | 996 (52) | 1043 (52) | |
| Current | 9 (16) | 2 (10) | 401 (21) | 412 (21) | |
| Status at Wittenoom | |||||
| ABA worker | 42 | 18 | 1136 | 1196 | <0.001 |
| Resident | 14 | 2 | 776 | 792 | |