Relationship between mean forced vital capacity (FVC) of 1083 Gulf War veterans and SMOIL and dust storm exposure and completion of deployment before the air war
| Mean | SD | Adjusted difference between means† | 95% CI | |
|---|---|---|---|---|
| *Dose response is the expected change in FVC per category increase in SMOIL exposure. | ||||
| †Difference between means adjusted for age, height, weight, atopic status, smoking, service type, rank, education, and marital status. | ||||
| SMOIL | ||||
| None | 5.17 | 0.77 | 0.0 | – |
| Any | 5.10 | 0.79 | –0.10 | –0.18 to −0.03 |
| Low | 5.11 | 0.81 | –0.08 | –0.16 to 0.004 |
| High | 5.03 | 0.66 | –0.14 | –0.28 to 0.003 |
| Dose response* | – | – | –0.08 | –0.14 to −0.02 |
| Dust storms | ||||
| No | 5.16 | 0.77 | 0.0 | – |
| Yes | 5.10 | 0.80 | –0.05 | –0.12 to 0.02 |
| Deployment completed before air war | ||||
| Yes | 5.11 | 0.80 | 0.0 | – |
| No | 5.14 | 0.78 | –0.05 | –0.14 to 0.04 |