Table 3.
Depression and PTS Associated With Oil Spill Exposures (Workers Only)
| Prevalence Ratio* (95% CI**) | ||||
|---|---|---|---|---|
| Predictor | Depression (n=6,134) |
PTS (n=6,284) |
||
| Covariates | Covariates and OSRC experiences |
Covariates | Covariates and OSRC experiences |
|
| Exposure Effect Estimate | ||||
| TH exposure ≥ 3·0 ppm | 1·44 (1·15, 1·81) | 1·07 (0·84, 1·36) | 2·61 (1·68, 4·05) | 1·75 (1·11, 2·76) |
| TH exposure 1·00 – 2·99 ppm | 1·32 (1·06, 1·63) | 1·06 (0·85, 1·32) | 1·63 (1·05, 2·51) | 1·16 (0·75, 1·81) |
| TH exposure 0·3 – 0·99 ppm | 1·31 (1·06, 1·60) | 1·18 (0·96, 1·45) | 1·29 (0·84, 1·98) | 1·10 (0·72, 1·68) |
| TH exposure < 0·3 ppm (reference) | - | - | - | - |
| Job type | ||||
| Response | 1·44 (1·03, 2·00) | 0·94 (0·67, 1·33) | 1·70 (0·94, 3·06) | 0·71 (0·37, 1·33) |
| Operations | 1·71 (1·23, 2·36) | 1·19 (0·85, 1·65) | 1·69 (0·94, 3·03) | 0·69 (0·37, 1·30) |
| Clean-up on water | 1·36 (0·96, 1·91) | 1·00 (0·70, 1·42) | 0·91 (0·48, 1·75) | 0·44 (0·23, 0·87) |
| Decontamination | 1·45 (1·05, 2·01) | 1·13 (0·80, 1·58) | 1·23 (0·68, 2·21) | 0·58 (0·31, 1·10) |
| Clean-up on land | 1·32 (0·95, 1·85) | 1·18 (0·84, 1·65) | 0·92 (0·50, 1·72) | 0·57 (0·29, 1·09) |
| Support work (reference) | - | - | - | - |
| Exposure to burning/flaring | 1·07 (0·91, 1·26) | 0·97 (0·82, 1·15) | 1·37 (1·05, 1·80) | 1·21 (0·92, 1·59) |
| No exposure to burning/flaring (reference) | - | - | - | - |
*
Adjusted for age, sex, race, annual household income, marital status, employment status, financial worries, displaced by Hurricanes Isaac or Katrina, mental health diagnosis prior to the spill, other oil industry experience, duration of clean-up work.
**
CI denotes confidence interval.