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Bias and precision on craving predicted using plasma and salivary nicotine concentration.
| Mean (s.d.) | Bias [95% CI] | Precision[95% CI] | |
|---|---|---|---|
| Observed craving | 2.83 (1.17) | ||
| Saliva predicted craving | 2.93 (0.99) | −0.099 (*) | 0.7026 |
| [-0.2277, 0.0288] | [0.5319, 0.8733] | ||
| Plasma predicted craving | 2.86 (0.99) | −0.029 (*) | 0.6295 |
| [-0.1449, 0.0870] | [0.4637, 0.7954] |
Student's t-test statistics: not statistically different from zero.
