Table 1. The basic characteristics of all subjects.
| Sample characteristic | Microarray stage |
Expanded validation stage |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Non-exposure | Exposure | CBP | P | Non-exposure | Exposure | CBP | P | ||
| Number | 10 | 10 | 10 | − | 54 | 54 | 27 | − | |
| Sex (male/female) | 7/3 | 7/3 | 7/3 | 1.000 | 36/18 | 36/18 | 18/9 | 1.000 | |
| Age (mean ± SD) | 39.0±4.0 | 39.1±4.6 | 39.4±4.5 | 0.978 | 38.0±6.3 | 38.1±6.5 | 38.4±5.5 | 0.955 | |
| Smoking (n, %) | 4 (40.0) | 4 (40.0) | 4 (40.0) | 1.000 | 22 (40.7) | 25 (46.3) | 13 (48.1) | 0.769 | |
| Drinking (n, %) | 2 (20.0) | 2 (20.0) | 2 (20.0) | 1.000 | 20 (37.0) | 22 (40.7) | 12 (44.4) | 0.806 | |
| Exposure years | − | 11.1±4.5 | 11.0±4.5 | 0.961 | − | 11.9±9.9 | 12.3±4.9 | 0.841 | |
| Exposure intensity (mg/m3) | − | 12.1±9.3 | 13.9±6.9 | 0.627 | − | 10.5±9.2 | 14.2±8.1 | 0.076 | |