Table 3.
Clean-up work and employment characteristics among participants who completed the first (N=31,609) and second (N=21,256) study interviews. GuLF STUDY 2010–2016
| Interview #1 (N=31,609) |
Interview #2 (N=21,256) |
Did not Complete interview #2 (N=10,353) |
Risk difference for non- response |
|||
|---|---|---|---|---|---|---|
| Worked on clean-up | n (%) |
n (%) |
n (%) |
RD (95% CI) |
||
| Yes | 24375 (77.1) | 16814 (79.1) | 7561 (73.0) | 0.0758 (0.0631, 0.0884) | ||
| No | 7234 (22.9) | 4442 (20.9) | 2792 (27.0) | ref | ||
| Missing | 0 (0.0) | 0 (0.0) | 0 (0.0) | |||
| Work duration | ||||||
| 1–30 days | 2998 (12.3) | 2063 (12.3) | 935 (12.4) | ref | ||
| 31–90 | 7669 (31.5) | 5293 (31.5) | 2376 (31.4) | 0.0021 (−0.0175, 0.0216) | ||
| 91–180 | 8363 (34.3) | 5735 (34.1) | 2628 (34.8) | −0.0024 (−0.0217, 0.017) | ||
| >180 | 5345 (21.9) | 3723 (22.1) | 1622 (21.5) | 0.0084 (−0.0122, 0.0291) | ||
| Missing | 0 (0.0) | 0 (0.0) | 0 (0.0) | |||
| Worked before the oil well was capped | ||||||
| Yes | 20950 (85.9) | 14362 (85.4) | 6588 (87.1) | −0.0304 (−0.0467, −0.014) | ||
| No | 3425 (14.1) | 2452 (14.6) | 973 (12.9) | ref | ||
| Missing | 0 (0.0) | 0 (0.0) | 0 (0.0) | |||
| Clean-up job type | ||||||
| Response work | 4462 (18.3) | 3048 (18.1) | 1414 (18.7) | −0.0252 (−0.0442, −0.0062) | ||
| Operations work | 4371 (17.9) | 2946 (17.5) | 1425 (18.9) | −0.0343 (−0.0535, −0.0152) | ||
| Water cleanup | 3803 (15.6) | 2620 (15.6) | 1183 (15.7) | −0.0194 (−0.0392, 0.0004) | ||
| Decontamination | 3555 (14.6) | 2455 (14.6) | 1100 (14.6) | −0.0177 (−0.0379, 0.0024) | ||
| Land cleanup | 3631 (14.9) | 2520 (15.0) | 1111 (14.7) | −0.0143 (−0.0343, 0.0057) | ||
| Support work | 4553 (18.7) | 3225 (19.2) | 1328 (17.6) | ref | ||
| Missing | 0 (0.0) | 0 (0.0) | 0 (0.0) | |||
| Potential exposure to burning/flaring | ||||||
| Unknown | 505 (2.1) | 356 (2.1) | 149 (2.0) | 0.0143 (−0.0259, 0.0546) | ||
| No | 21734 (89.2) | 15010 (89.3) | 6724 (88.9) | ref | ||
| Yes | 2136 (8.8) | 1448 (8.6) | 688 (9.1) | −0.0127 (−0.0335, 0.008) | ||
| Missing | 0 (0.0) | 0 (0.0) | 0 (0.0) | |||
| Maximum total Hydrocarbon exposure (ppm) |
||||||
| None | ||||||
| (nonworkers) | 7234 (22.9) | 4442 (20.9) | 2792 (27.0) | −0.0959 (−0.1123, −0.0794) | ||
| <0.30 | 5443 (17.2) | 3864 (18.2) | 1579 (15.3) | ref | ||
| 0.30–0.99 | 7984 (25.3) | 5519 (26.0) | 2465 (23.8) | −0.0186 (−0.0344, −0.0029) | ||
| 1.00–2.99 | 7476 (23.7) | 5094 (24.0) | 2382 (23.0) | −0.0285 (−0.0446, −0.0125) | ||
| ≥3.00 | 3445 (10.9) | 2313 (10.9) | 1132 (10.9) | −0.0385 (−0.0583, −0.0187) | ||
| Missing | 27 (0.1) | 24 (0.1) | 3 (0.0) | |||
| Employment status | ||||||
| Working Now | 20758 (66.0) | 13994 (66.1) | 6764 (65.8) | ref | ||
| Temporarily | ||||||
| Laid Off, Sick Leave | ||||||
| Or Maternity Leave | 586 (1.9) | 391 (1.9) | 195 (1.9) | −0.0069 (−0.0456, 0.0318) | ||
| Looking For | ||||||
| Work Or | ||||||
| Unemployed | 5865 (18.7) | 3764 (17.8) | 2101 (20.4) | −0.0324 (−0.0462, −0.0185) | ||
| Retired | 1511 (4.8) | 1198 (5.7) | 313 (3.0) | 0.1187 (0.0973, 0.1401) | ||
| Disabled, | ||||||
| Permanently Or | ||||||
| Temporarily | 1016 (3.2) | 689 (3.3) | 327 (3.2) | 0.004 (−0.0254, 0.0334) | ||
| Keeping House | 284 (0.9) | 192 (0.9) | 92 (0.9) | 0.0019 (−0.0529, 0.0567) | ||
| Student | 652 (2.1) | 390 (1.8) | 262 (2.6) | −0.076 (−0.1142, −0.0378) | ||
| Other | 784 (2.5) | 550 (2.6) | 234 (2.3) | 0.0274 (−0.0053, 0.06) | ||
| Missing | 153 (0.5) | 88 (0.4) | 65 (0.6) | |||
| Other oil spill work | ||||||
| Yes | 3578 (11.3) | 2594 (12.2) | 984 (9.5) | 0.0591 (0.0435, 0.0747) | ||
| No | 27934 (88.4) | 18601 (87.5) | 9333 (90.2) | ref | ||
| Don’t Know | 51 (0.2) | 35 (0.2) | 16 (0.2) | 0.0204 (−0.1071, 0.1478) | ||
| Refused | 30 (0.1) | 18 (0.1) | 12 (0.1) | −0.0659 (−0.2413, 0.1095) | ||
| Missing | 16 (0.1) | 8 (0.0) | 8 (0.1) | |||
| Served on active duty | ||||||
| Yes, Now On | ||||||
| Active Duty | 2563 (8.1) | 1735 (8.2) | 828 (8.0) | 0.0216 (0.0025, 0.0407) | ||
| Yes, On Active | ||||||
| Duty During The Last 12 Months, But Not Now | ||||||
| 567 (1.8) | 424 (2.0) | 143 (1.4) | 0.0924 (0.0562, 0.1287) | |||
| Yes, On Active | ||||||
| Duty In The Past, But Not During The Last | ||||||
| 12 Months | 4553 (14.4) | 3400 (16.0) | 1153 (11.2) | 0.0914 (0.0774, 0.1054) | ||
| No, Training For Reserves Or National | ||||||
| Guard Only | 271 (0.9) | 192 (0.9) | 79 (0.8) | 0.0531 (−0.0013, 0.1076) | ||
| No, Never | ||||||
| Served In The | ||||||
| Military | 23565 (74.6) | 15444 (72.7) | 8121 (78.5) | ref | ||
| Don’t Know | 29 (0.1) | 23 (0.1) | 6 (0.1) | 0.1377 (−0.0098, 0.2853) | ||
| Refused | 44 (0.1) | 29 (0.1) | 15 (0.1) | 0.0037 (−0.1365, 0.1439) | ||
| Missing | 17 (0.1) | 9 (0.0) | 8 (0.1) | |||