| Characteristics . | Males n (%) . | Females n (%) . | Total . |
|---|---|---|---|
| Number of employees | 6207 (90) | 728 (10) | 6935 |
| Age started at mine/refinery, mean (SD) years | 29.11 (9) | 28.91 (8) | – |
| Age at end of follow-up, mean (SD) years | 60.96 (12) | 57.56 (11) | – |
| Currently employed end 2016 | 1353 (22) | 90 (12) | 1443 (21) |
| Duration of employment | |||
| <5 years | 1126 (18) | 272 (37) | 1398 (20) |
| 5–9 years | 730 (12) | 151 (21) | 881 (13) |
| 10–19 years | 1476 (24) | 161 (22) | 1637 (24) |
| ≥20 years | 2875 (46) | 144 (20) | 3019 (44) |
| Year started at mine/refinery | |||
| Before 1970 | 389 (6) | 4 (1) | 493 (7) |
| 1970–79 | 1739 (28) | 102 (14) | 1841 (27) |
| 1980–89 | 2854 (46) | 347 (48) | 3201 (46) |
| 1990–99 | 1225 (20) | 275 (38) | 1500 (22) |
| Smoking | |||
| Never smoker | 1997 (32) | 272 (37) | 2269 (33) |
| Current smoker | 1559 (25) | 136 (19) | 1695 (24) |
| Former smoker | 1554 (25) | 91 (12) | 1645 (24) |
| Non-smokera | 298 (5) | 38 (5) | 336 (5) |
| Unknown | 799 (13) | 191 (26) | 990 (14) |
| Person-years (follow-up until December 2016) | 172 617 | 19 511 | 192 128 |
| Average follow-up (years) | 27.8 | 26.8 | 27.7 |
| Mortality (follow-up until November 2016) | |||
| Deaths | 842 (14) | 38 (5) | 880 (13) |
| Cancer incidence (follow-up until December 2016) | |||
| Cancers | 1150 (18) | 95 (13) | 1245 (18) |
| Characteristics . | Males n (%) . | Females n (%) . | Total . |
|---|---|---|---|
| Number of employees | 6207 (90) | 728 (10) | 6935 |
| Age started at mine/refinery, mean (SD) years | 29.11 (9) | 28.91 (8) | – |
| Age at end of follow-up, mean (SD) years | 60.96 (12) | 57.56 (11) | – |
| Currently employed end 2016 | 1353 (22) | 90 (12) | 1443 (21) |
| Duration of employment | |||
| <5 years | 1126 (18) | 272 (37) | 1398 (20) |
| 5–9 years | 730 (12) | 151 (21) | 881 (13) |
| 10–19 years | 1476 (24) | 161 (22) | 1637 (24) |
| ≥20 years | 2875 (46) | 144 (20) | 3019 (44) |
| Year started at mine/refinery | |||
| Before 1970 | 389 (6) | 4 (1) | 493 (7) |
| 1970–79 | 1739 (28) | 102 (14) | 1841 (27) |
| 1980–89 | 2854 (46) | 347 (48) | 3201 (46) |
| 1990–99 | 1225 (20) | 275 (38) | 1500 (22) |
| Smoking | |||
| Never smoker | 1997 (32) | 272 (37) | 2269 (33) |
| Current smoker | 1559 (25) | 136 (19) | 1695 (24) |
| Former smoker | 1554 (25) | 91 (12) | 1645 (24) |
| Non-smokera | 298 (5) | 38 (5) | 336 (5) |
| Unknown | 799 (13) | 191 (26) | 990 (14) |
| Person-years (follow-up until December 2016) | 172 617 | 19 511 | 192 128 |
| Average follow-up (years) | 27.8 | 26.8 | 27.7 |
| Mortality (follow-up until November 2016) | |||
| Deaths | 842 (14) | 38 (5) | 880 (13) |
| Cancer incidence (follow-up until December 2016) | |||
| Cancers | 1150 (18) | 95 (13) | 1245 (18) |
aNon-smoker from employment records (cannot rule out previously smoked).
| Characteristics . | Males n (%) . | Females n (%) . | Total . |
|---|---|---|---|
| Number of employees | 6207 (90) | 728 (10) | 6935 |
| Age started at mine/refinery, mean (SD) years | 29.11 (9) | 28.91 (8) | – |
| Age at end of follow-up, mean (SD) years | 60.96 (12) | 57.56 (11) | – |
| Currently employed end 2016 | 1353 (22) | 90 (12) | 1443 (21) |
| Duration of employment | |||
| <5 years | 1126 (18) | 272 (37) | 1398 (20) |
| 5–9 years | 730 (12) | 151 (21) | 881 (13) |
| 10–19 years | 1476 (24) | 161 (22) | 1637 (24) |
| ≥20 years | 2875 (46) | 144 (20) | 3019 (44) |
| Year started at mine/refinery | |||
| Before 1970 | 389 (6) | 4 (1) | 493 (7) |
| 1970–79 | 1739 (28) | 102 (14) | 1841 (27) |
| 1980–89 | 2854 (46) | 347 (48) | 3201 (46) |
| 1990–99 | 1225 (20) | 275 (38) | 1500 (22) |
| Smoking | |||
| Never smoker | 1997 (32) | 272 (37) | 2269 (33) |
| Current smoker | 1559 (25) | 136 (19) | 1695 (24) |
| Former smoker | 1554 (25) | 91 (12) | 1645 (24) |
| Non-smokera | 298 (5) | 38 (5) | 336 (5) |
| Unknown | 799 (13) | 191 (26) | 990 (14) |
| Person-years (follow-up until December 2016) | 172 617 | 19 511 | 192 128 |
| Average follow-up (years) | 27.8 | 26.8 | 27.7 |
| Mortality (follow-up until November 2016) | |||
| Deaths | 842 (14) | 38 (5) | 880 (13) |
| Cancer incidence (follow-up until December 2016) | |||
| Cancers | 1150 (18) | 95 (13) | 1245 (18) |
| Characteristics . | Males n (%) . | Females n (%) . | Total . |
|---|---|---|---|
| Number of employees | 6207 (90) | 728 (10) | 6935 |
| Age started at mine/refinery, mean (SD) years | 29.11 (9) | 28.91 (8) | – |
| Age at end of follow-up, mean (SD) years | 60.96 (12) | 57.56 (11) | – |
| Currently employed end 2016 | 1353 (22) | 90 (12) | 1443 (21) |
| Duration of employment | |||
| <5 years | 1126 (18) | 272 (37) | 1398 (20) |
| 5–9 years | 730 (12) | 151 (21) | 881 (13) |
| 10–19 years | 1476 (24) | 161 (22) | 1637 (24) |
| ≥20 years | 2875 (46) | 144 (20) | 3019 (44) |
| Year started at mine/refinery | |||
| Before 1970 | 389 (6) | 4 (1) | 493 (7) |
| 1970–79 | 1739 (28) | 102 (14) | 1841 (27) |
| 1980–89 | 2854 (46) | 347 (48) | 3201 (46) |
| 1990–99 | 1225 (20) | 275 (38) | 1500 (22) |
| Smoking | |||
| Never smoker | 1997 (32) | 272 (37) | 2269 (33) |
| Current smoker | 1559 (25) | 136 (19) | 1695 (24) |
| Former smoker | 1554 (25) | 91 (12) | 1645 (24) |
| Non-smokera | 298 (5) | 38 (5) | 336 (5) |
| Unknown | 799 (13) | 191 (26) | 990 (14) |
| Person-years (follow-up until December 2016) | 172 617 | 19 511 | 192 128 |
| Average follow-up (years) | 27.8 | 26.8 | 27.7 |
| Mortality (follow-up until November 2016) | |||
| Deaths | 842 (14) | 38 (5) | 880 (13) |
| Cancer incidence (follow-up until December 2016) | |||
| Cancers | 1150 (18) | 95 (13) | 1245 (18) |
aNon-smoker from employment records (cannot rule out previously smoked).
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