From: Deepwater Horizon oil spill exposures and nonfatal myocardial infarction in the GuLF STUDY
MI cases/ total na | RRb (95% CI) | MI cases/ total na | RRb (95% CI) | LRTe P-value* | |
---|---|---|---|---|---|
Among workers and non-workers (N = 31,109) | |||||
Direct/indirect proximity (n = 18,984) | Away from the spill (n = 12,125) | ||||
Worked on clean-up | |||||
Yes | 106/13801 | 1.16 (0.79, 1.70) | 43/9598 | 1.32 (0.62, 2.81) | 0.81 |
No | 32/4686 | ref | 8/2186 | ref | |
Among clean-up workers and responders only (n = 24,375) | |||||
Direct/indirect proximity (n = 14,140) | Away from the spill (n = 9866) | ||||
Maximum exposure jobc | |||||
Response Work | 15/2439 | 0.83 (0.37, 1.87) | 5/1872 | 0.58 (0.20, 1.66) | 0.31 |
Operations Work | 29/2836 | 1.35 (0.65, 2.80) | 10/1378 | 1.06 (0.42, 2.68) | |
Clean-up on Water | 17/2400 | 0.82 (0.40, 1.82) | 3/1206 | 0.46 (0.12, 1.68) | |
Decontamination | 25/2366 | 1.88 (0.89, 3.95) | 8/1077 | 1.33 (0.50, 3.49) | |
Clean-up on Land | 11/2128 | 0.87 (0.37, 2.06) | 7/1360 | 1.02 (0.38, 2.71) | |
Administration Support | 10/1633 | ref | 10/2705 | ref | |
Work durationd | |||||
> 180 days | 31/3392 | 1.50 (0.93, 2.40) | 7/1770 | 0.97 (0.40, 2.33) | 0.08 |
91–180 days | 37/4866 | 1.10 (0.71, 1.72) | 20/3191 | 1.39 (0.73, 2.65) | |
1–90 days | 40/5545 | ref | 17/4638 | ref | |
Ever had to stop work due to heatc | |||||
Yes | 56/5116 | 2.10 (1.42, 3.10) | 14/2104 | 1.53 (0.80, 2.95) | 0.56 |
No | 48/7898 | ref | 23/5945 | ref | |
Worked near burning oilc | |||||
Yes | 10/1094 | 1.26 (0.65, 2.43) | 3/978 | 0.78 (0.28, 2.20) | 0.54 |
No | 96/12707 | ref | 40/8620 | ref | |
Maximum overall THC exposure | |||||
≥ 3.00 ppm | 17/1819 | 1.99 (0.88, 4.51) | 7/1504 | 1.27 (0.47, 3.38) | 0.48 |
1.00–2.99 ppm | 40/5018 | 1.42 (0.68, 2.94) | 9/2165 | 0.92 (0.36, 2.38) | |
0.30–0.99 ppm | 41/4800 | 1.92 (0.93, 3.97) | 18/2875 | 1.54 (0.68, 3.49) | |
< 0.30 ppm | 8/2151 | ref | 9/3041 | ref |