Table 3
Comparison of between- and within-person estimated fold ranges across studies and exposure settings
| No. of datasets | No. of obs | No. of persons |  |  | Ref. | |||
|---|---|---|---|---|---|---|---|---|
| Median | Interquartile range | Median | Interquartile range | |||||
 , estimated between-person fold range;  , estimated within-person fold range. | ||||||||
| †Pre-shift and mid-shift observations (persons) were excluded from 122 original data sets that included 4367 observations from 1155 persons. | ||||||||
| Environmental setting | ||||||||
| Air (current study) | 33 | 2901 | 1146 | 7.7 | 2.3−43.4 | 104.4 | 48.9−207 | |
| Biomarker (current study) | 46 | 5286 | 1681 | 9.3 | 4.4−33.2 | 36.6 | 4.8−90.6 | |
| Occupational setting | ||||||||
| Air (current study) | 17 | 1722 | 237 | 7.0 | 3.6−49.2 | 13.7 | 8.8−27.3 | |
| Air (Kromhout et al) | 165 | 13945 | 1569 | 4.0 | 2.0−13.0 | 15.2 | 5.9−70.3 | 17 |
| Biomarker (current study) | 31 | 2168 | 563 | 4.8 | 1.6−10.8 | 7.6 | 2.5−32.1 | |
| Biomarker (Symanksi and Greeson)† | 91 | 3234 | 942 | 8.1 | 2.1−30.2 | 5.0 | 2.5−10.4 | 18 |