From: Deepwater Horizon oil spill exposures and nonfatal myocardial infarction in the GuLF STUDY
MI cases/na | RRb (95% CI) | MI cases/na | RRb (95% CI) | LRTe P-value* | |
---|---|---|---|---|---|
Among workers and non-workers without prevalent MI (N = 31,109) | |||||
Ever smoker (n = 15,861) | Never smoker (n = 15,016) | ||||
Worked on clean-up | |||||
Yes | 100/12043 | 0.99 (0.67, 1.47) | 52/11359 | 1.98 (0.98, 4.03) | 0.11 |
No | 33/3533 | ref | 9/3341 | ref | |
Residential proximity to oil spillc | |||||
Direct/indirect | 97/10377 | 0.99 (0.67, 1.48) | 45/8114 | 1.52 (0.84, 2.76) | 0.26 |
Away from the spill | 36/5199 | ref | 16/6586 | ref | |
Among clean-up workers and responders without prevalent MI (n = 24,009) | |||||
Ever smoker (n = 12,510) | Never smoker (n = 11,701) | ||||
Maximum exposure jobd | |||||
Response Work | 14/2338 | 0.66 (0.30, 1.45) | 7/1974 | 0.80 (0.28, 2.25) | < 0.01 |
Operations Work | 30/2471 | 1.21 (0.60, 2.44) | 10/1744 | 1.11 (0.42, 2.93) | |
Clean-up on Water | 11./1955 | 0.53 (0.23, 1.22) | 9/1651 | 1.02 (0.38, 2.75) | |
Decontamination | 26/1856 | 1.74 (0.86, 3.51) | 7/1587 | 1.20 (0.43, 3.39) | |
Clean-up on Land | 7/1764 | 0.47 (0.18, 1.20) | 11/1724 | 1.89 (0.75, 4.72) | |
Administrative Support | 12/1659 | ref | 8/2679 | ref | |
Work duration | |||||
> 180 days | 24/2699 | 1.53 (0.71, 3.30) | 14/2463 | 2.90 (0.83, 10.09) | 0.21 |
91–180 days | 37/4306 | 1.37 (0.66, 2.83) | 20/3751 | 2.54 (0.76, 8.55) | |
31–90 days | 30/3647 | 1.34 (0.64, 2.80) | 15/3681 | 2.16 (0.63, 7.43) | |
1–30 days | 9/1391 | ref | 3/1464 | ref | |
Ever had to stop work due to heatd | |||||
Yes | 53/4125 | 2.39 (1.58, 3.60) | 18/3096 | 1.23 (0.68, 2.24) | 0.07 |
No | 42/7048 | ref | 30/6796 | ref | |
Worked near burning oild | |||||
Yes | 10/1104 | 1.11 (0.57, 2.14) | 4/969 | 0.98 (0.35, 2.74) | 0.31 |
No | 90/10939 | ref | 48/10390 | ref | |
Maximum overall THC exposure | |||||
≥ 3.00 ppm | 19/1822 | 1.67 (0.79, 3.55) | 6/1502 | 1.43 (0.47, 4.34) | 0.05 |
1.00–2.99 ppm | 34/4073 | 1.13 (0.56, 2.26) | 16/3111 | 1.32 (0.53, 3.32) | |
0.30–0.99 ppm | 36/4061 | 1.43 (0.73, 2.83) | 23/3614 | 2.29 (0.97, 5.39) | |
< 0.30 ppm | 11/2071 | ref | 7/3122 | ref |