Table 5.
The number of samples, the percentage of censoring, and the posterior medians of the AM (in ppb) and GSD (95% CI) for xylene for broad job groups on the four rig vessels across four time periods (22 April 2010–30 September 2010).
| Job groups | N TP1a | % cens TP1a | AM_TP1a | GSD_TP1a | N TP1b | % cens TP1b | AM_TP1b | GSD_TP1b | N TP2 | % cens TP2 | AM_TP2 | GSD_TP2 | N TP3 | % cens TP3 | AM_TP3 | GSD_TP3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DDII | ||||||||||||||||
| All groups | 199 | 63 | 24.63 (16.40, 41.78) |
6.8 (5.1, 9.5) |
58 | 43 | 22.15 (12.11, 54.21) |
5.8 (3.9, 9.9) |
70 | 34 | 21.93 (14.47, 39.59) |
4.1 (3.2, 6.1) |
||||
| IH-safety | 9 | 67 | 21.91 (4.24, 123.77) |
8.8 (4.4, 11.8) |
||||||||||||
| Inside | 21 | 67 | 14.37 (7.04, 44.76) |
4.1 (2.4, 9.6) |
||||||||||||
| Outside crew | 96 | 58 | 30.38 (17.03, 63.8) |
7.3 (5.1, 11.0) |
40 | 43 | 27.18 (13.02, 76.22) |
6.4 (4.1, 11.0) |
42 | 29 | 25.72 (15.36, 56.09) |
4.2 (3.1, 6.9) |
||||
| Outside operations | 48 | 65 | 19.41 (9.29, 49.41) |
7.3 (4.4, 11.5) |
8 | 50 | 10.12 (2.11, 58.88) |
7.3 (3.1, 11.7) |
17 | 53 | 21.72 (7.15, 85.99) |
8.1 (4.2, 11.8) |
||||
| DDIII | ||||||||||||||||
| All groups | 88 | 55 | 88.30 (52.21, 190.06) |
6.0 (4.2, 9.7) |
218 | 24 | 44.97 (34.96, 60.62) |
4.2 (3.6, 5.0) |
49 | 35 | 20.22 (12.27, 42.78) |
4.2 (3.1, 6.8) |
75 | 40 | 17.70 (12.18, 29.78) |
3.9 (3.0, 5.5) |
| IH-safety | 19 | 5 | 35.92 (23.78, 65.44) |
2.4 (1.9, 3.7) |
9 | 11 | 29.97 (12.85, 140.10) |
3.6 (2.2, 9.2) |
20 | 40 | 22.41 (10.38, 79.66) |
4.7 (2.8, 10.5) |
||||
| Inside | 19 | 16 | 22.62 (14.49, 46.10) |
2.6 (2.0, 4.3) |
9 | 11 | 28.80 (14.09, 94.22) |
3.0 (2.1, 6.5) |
15 | 40 | 11.91 (6.37, 34.82) |
3.2 (2.2, 7.1) |
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| Outside crew | 52 | 65 | 61.32 (30.84, 154.18 |
6.8 (4.2, 11.3) |
138 | 28 | 45.70 (32.25, 70.70) |
4.7 (3.8, 6.0) |
22 | 55 | 9.48 (4.33, 31.12) |
5.0 (2.9, 10.6) |
24 | 38 | 23.98 (11.23, 73.96) |
5.3 (3.4, 10.0) |
| Outside operations | 32 | 41 | 120.38 (56.01, 360.37) |
5.8 (3.6, 10.7) |
31 | 26 | 50.02 (26.55, 140.17) |
4.6 (3.1, 8.6) |
7 | 43 | 14.67 (3.35, 90.85) |
6.4 (2.8, 11.6) |
6 | 33 | 23.40 (5.07, 158.77) |
6.6 (3.1, 11.6) |
| Enterprise | ||||||||||||||||
| All groups | 22 | 68 | 53.00 (17.54, 171.36) |
9.6 (5.9, 11.9) |
353 | 38 | 134.56 (94.19, 202.11) |
8.4 (7.1, 10.2) |
31 | 16 | 11.56 (8.29, 17.92) |
2.4 (2.0, 3.3) |
||||
| IH-safety | 11 | 45 | 68.02 (16.75, 314.52) |
9.4 (5.3, 11.9) |
||||||||||||
| Inside | 7 | 57 | 10.02 (4.10, 29.21) |
2.6 (1.8, 6.1) |
||||||||||||
| Outside crew | 16 | 75 | 24.4 (7.22, 99.20) |
7.2 (4.2, 11.5) |
189 | 42 | 158.53 (96.86, 252.73) |
10.4 (8.1, 11.9) |
28 | 14 | 11.75 (8.39, 18.39) |
2.4 (2.0, 3.3) |
||||
| OutsideoOperations | 6 | 50 | 58.91 (9.06, 439.84) |
9.1 (4.8, 11.9) |
132 | 28 | 113.36 (70.44, 204.28) |
6.7 (5.3, 8.8) |
||||||||
| Q4000 | ||||||||||||||||
| All groups | 120 | 50 | 58.02 (32.88, 113.35) |
8.1 (5.8, 11.4) |
34 | 15 | 16.66 (12.90, 23.16) |
2.1 (1.8, 2.7) |
23 | 57 | 12.71 (5.77, 40.51) |
5.3 (3.1, 10.7) |
||||
| Outside crew | 69 | 55 | 57.35 (27.96, 121.16) |
9.2 (6.1, 11.8) |
32 | 13 | 17.04 (13.16, 23.76) |
2.1 (1.8, 2.7) |
20 | 60 | 11.71 (4.91, 40.22) |
5.7 (3.2, 11.1) |
||||
| Outside operations | 38 | 50 | 36.59 (16.39, 105.18) |
7.0 (4.3, 11.4) |
See footnote, Table 2 for definitions.