Table 1. Means (standard deviations) of demographic, smoking, affect variables by smoking group.
| Demographic and Smoking Measures | Nonsmokers | Abstinent Smokers | Non Abstinent Smokers | P value | |
|---|---|---|---|---|---|
| n=18 | n=16 | n=22 | Group | Abstinence | |
| Age (yrs) | 21.92 (2.89) | 21.00 (1.70) | 20.59 (2.02) | ns | ns |
| Sex (% male) | 60.1% | 50% | 55% | ns | ns |
| # Cigarettes per day (past 30 days) | 0.00 | 12.19 (6.01) | 13.84 (5.88) | NA | ns |
| CO level (ppm) at arrival | 1.53 (0.87) | 3.87 (1.86) | 12.14 (6.53) | <.001 | ns |
| Fagerstrom Tolerance Questionnaire | - | 3.44 (2.31) | 3.00 (2.20) | NA | ns |
| Age of onset daily smoking | -- | 18.40 (1.76) | 17.14 (1.61) | NA | .03 |
| Urge to smoke | 1.07 (0.10) | 4.58 (1.51) | 4.24 (1.11) | ns | ns |
| PANAS | 27.00 (10.52) | 26.81 (8.34) | 23.54 (7.44) | ns | ns |
| Positive affect (state) | |||||
| PANAS | 12.18 (3.13) | 13.19 (2.93) | 12.36 (2.40) | ns | ns |
| Negative affect (state) | |||||
See text for detailed statistics