Comparison between current smokers and ex- or never smokers in mean levels of BPb (μg/dl) and FEP (μg/dlRBC) in 2000 and 2003
| Current smoker | Ex- or never smoker | *p value | |
|---|---|---|---|
| Mean (SE) (n = 62) | Mean (SE) (n = 43) | ||
| *t test. | |||
| †Percentage was calculated by subtracting each 2000 value from 2003 value divided by 2000 value (mean (SE)). | |||
| BPb in 2000 | 47.6 (1.8) | 43.0 (2.0) | 0.0971 |
| BPb in 2003 | 40.4 (2.0) | 32.4 (1.9) | 0.0057 |
| % reduction† | 15.3 (2.6) | 24.3 (2.7) | 0.0238 |
| FEP in 2000 | 268 (27) | 196 (24) | 0.0624 |
| FEP in 2003 | 150 (19) | 115 (17) | 0.1425 |
| % reduction† | 37.3 (3.5) | 40.7 (3.4) | 0.5131 |