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General characteristics of population at 1st and 2nd blood samples (n = 57)
| Mean | S.D. | |
|---|---|---|
| Age (1st draw) | 41.84 | 4.81 |
| BMI (kg/m2) | ||
| 1st draw | 24.90 | 5.55 |
| 2nd draw | 25.87 | 5.12 |
| Smoking Status [n (%)] | ||
| 1st draw | ||
| Past | 13 | (22.4) |
| Current | 5 | (8.6) |
| 2nd draw | ||
| Past | 17 | (29.3) |
| Current | 2 | (7.1) |
