From: Blood biomarkers of nicotine-induced toxicity in healthy males
Variable | Non-smokers (n = 20) | Passive smokers (n = 30) | Active smokers (n = 40) | p value | |||
---|---|---|---|---|---|---|---|
Exercise | n | % | n | % | n | % | 0.319 |
No | 19 | 95 | 29 | 96.7 | 35 | 87.5 | |
Yes | 1 | 5 | 1 | 3.3 | 5 | 12.5 | |
Tea (cups/day) (mean ± SD) | Min. | Max. | Min. | Max. | Min. | Max. | < 0.001** |
0 | 7 | 0 | 10 | 0 | 20 | ||
2.06 ± 1.66 | 2.75 ± 2.16 | 5.13 ± 3.82 | |||||
Coffee (cups/day) (mean ± SD) | Min. | Max. | Min. | Max. | Min. | Max. | 0.052* |
0 | 1 | 0 | 1 | 0 | 5 | ||
0.16 ± 0.37 | 0.08 ± 0.21 | 0.61 ± 1.4 | |||||
BMI (kg/m2) (mean ± SD) | 29.19 ± 4.79 | 26.81 ± 4.49 | 24.43 ± 4.34 | < 0.001** |