Significant predictors of naphthalene in personal air samples from fuel maintenance workers
| Effect | n | Estimate | SE | p value |
|---|---|---|---|---|
| ROLE, job; PURPOSE, purpose of maintenance activity; STOREFOAM, foam storage location; TEMPERATURE, ambient temperature; CROSSVENT, presence of cross ventilation; TANKDIST, distance of the worker from the fuel tank. | ||||
| Covariate levels are shown in italics. | ||||
| Intercept | 111 | 6.400 | 0.551 | <0.0001 |
| ROLE | – | – | 0.0006 | |
| Entrant | 79 | 0 | – | – |
| Attendant | 25 | −0.881 | 0.228 | 0.0002 |
| Other | 7 | −0.808 | 0.348 | 0.0223 |
| PURPOSE | – | – | 0.0027 | |
| Inspect | 55 | 0 | – | – |
| Find leak | 7 | −1.233 | 0.330 | 0.0180 |
| Repair | 30 | −0.239 | 0.189 | 0.4073 |
| Other | 19 | −0.434 | 0.235 | 0.0678 |
| STOREFOAM | – | – | <0.0001 | |
| Wing | 43 | −1.669 | 0.344 | <0.0001 |
| Floor | 2 | −0.290 | 0.336 | 0.3898 |
| Enclosed | 6 | 0 | – | – |
| TEMPERATURE | – | – | 0.0354 | |
| 10–21°C | 7 | 0.885 | 0.339 | 0.0104 |
| 21–32°C | 77 | 0.168 | 0.184 | 0.3657 |
| >32°C | 27 | 0 | – | – |
| CROSSVENT | – | – | 0.0293 | |
| Yes | 57 | −0.347 | 0.157 | 0.0293 |
| No | 54 | 0 | – | – |
| TANKDIST | – | – | 0.0357 | |
| Inside | 64 | 0.981 | 0.408 | 0.0180 |
| <3 m | 42 | 0.621 | 0.385 | 0.1102 |
| >3 m | 5 | 0 | – | – |