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Smoking level (cpd) and nicotine dependence (waking up wanting to smoke) among smokers
| Smoked at all, past 3 months (n = 483) | cpd | Waking up wanting to smokea (n = 144) |
| 198 (41%) | <1 | 10/198 (5%) |
| 227 (47%) | 1–9 | 85/227 (37%) |
| 49 (10%) | 10–19 | 37/49 (76%) |
| 8 (2%) | ≥20 | 8/8 (100%) |
Note. cpd = cigarettes per day.
r = .44.
