Table 4. Exposure distributions for the original SYN-JEM (JEM 1), and different SYN-JEM specifications with varying dimensions of SYN-JEM included (JEM 2-5). Ntot=37866. Cut-offs for exposure quartiles are based on the JEM specific distribution of exposure among the controls.
| Cumulative silica exposure (mg/m3-years) | JEM 1: SYN-JEM | JEM 2: SYN-JEM without region-specific estimates | JEM 3: SYN-JEM without job-specific estimates | JEM 4: SYN-JEM without region- or job-specific estimates | JEM 5: SYN-JEM without DOM-JEM prior (with nonexposed override) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Range | Median | N | Range | Median | N | Range | Median | N | Range | Median | N | Range | Median | N | |||||
| 1st quartile | 0.005-0.43 | 0.21 | 2234 | 0.009-0.56 | 0.32 | 2220 | 0.006-0.36 | 0.20 | 2229 | 0.009-0.50 | 0.25 | 2089 | 0.008-0.56 | 0.28 | 2202 | ||||
| 2nd quartile | 0.43-1.12 | 0.72 | 2338 | 0.56-1.38 | 0.92 | 2372 | 0.36-0.94 | 0.61 | 2432 | 0.50-1.19 | 0.75 | 2505 | 0.56-1.43 | 0.96 | 2311 | ||||
| 3rd quartile | 1.12-2.40 | 1.67 | 2355 | 1.38-3.10 | 2.11 | 2296 | 0.94-1.95 | 1.42 | 2342 | 1.19-2.56 | 1.75 | 2372 | 1.43-3.13 | 2.15 | 2362 | ||||
| 4th quartile | 2.40-57.0 | 3.86 | 2484 | 3.11-24.2 | 4.68 | 2522 | 1.95-15.3 | 2.81 | 2408 | 2.56-9.77 | 3.59 | 2445 | 3.13-83.9 | 5.43 | 2536 | ||||