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Participant Characteristics
| Participant Characteristic | Smokers (n=164) |
|---|---|
| Age (years) | 16.1 ±.955 |
| % Female | 66.5% |
| Duration of smoking at least weekly (years) | 1.37 ±1.36 |
| Median cigarettes smoked per day | 1.78 |
| NMR (3HC-d4/cot-d4 ratio) | .174 ±.094 |
| Median mFTQ1 score | 2.00 |
modified Fagerström Tolerance Questionnaire (29) (0–2= no dependence).
