TABLE 2.
Study population (whole cohort) |
City of Kyiv and Kyiv oblast |
Other four oblasts |
Estimated percentages for the liquidator population from Ukraine |
||||
---|---|---|---|---|---|---|---|
Category | Number (%) |
Median duration of work, days (min, max) |
Number (%) |
Median duration of work, days (min, max) |
Number (%) |
Median duration of work, days (min, max) |
|
Witnesses of the accident | 3 (0.5) | 7 (1, 11) | 2 (0.7) | 6 (1, 11) | 1 (0.4) | 7 (7, 7) | <1 |
Victims of the accident | 2 (0.3) | 2 (1, 2) | 2 (0.7) | 2 (1, 2) | 0 (0.0) | — (–, –) | <1 |
Early liquidators | 66 (11.5) | 7 (1, 185) | 50 (17.1) | 7 (1, 185) | 16 (5.7) | 7 (3, 16) | ~10 |
ChNPP personnel | 9 (1.6) | 317 (36, 1420) | 8 (2.7) | 379 (36, 1420) | 1 (0.4) | 225 (225, 225) | ~1 |
Sent to assist the ChNPP staff | 1 (0.2) | 31 (31, 31) | 1 (0.3) | 31 (31, 31) | 0 (0.0) | — (–, –) | <1 |
Staff of AC-605 | 5 (0.9) | 31 (19, 63) | 1 (0.3) | 24 (24, 24) | 4 (1.4) | 46 (19, 63) | ~1 |
Staff of Kurchatov Institute | 2 (0.3) | 157 (138, 175) | 0 (0.0) | — (–, –) | 2 (0.7) | 157 (138, 175) | <1 |
Military liquidators | 220 (38.6) | 67 (6, 833) | 33 (11.3) | 65 (7, 366) | 187 (66.7) | 69 (6, 833) | 48 |
Civilians Sent on Mission (CSOM) to the 30-km zone | 181 (31.6) | 19 (1, 1710) | 121 (41.5) | 18 (1, 1710) | 60 (21.5) | 21 (2, 103) | 28 |
Staff of Combinat | 4 (0.7) | 458 (164, 1450) | 4 (1.4) | 458 (164, 1450) | 0 (0.0) | — (–, –) | <1 |
Mixed | 79 (13.8) | 250 (4, 1710) | 70 (24.0) | 258 (4, 1710) | 9 (3.2) | 111 (9, 1710) | 10 |
All | 572 | 292 | 280 |