Demographic and socioeconomic characteristics of study participants
| Participants | UC group | MI group | p Value |
| Age (years) (mean (SD)) | 23.4 (5.6) | 25.8 (6.6) | 0.05 |
| Race | NS | ||
| Black/African America | 62.3% | 53.8% | |
| White, not hispanic | 13.1% | 17.3% | |
| Other | 24.6% | 28.8% | |
| Hispanic | 24.6% | 26.9% | |
| Number of children | NS | ||
| 1 | 29.3% | 33.0% | |
| 2+ | 25.9% | 11.8% | |
| Education | NS | ||
| < High school | 55.1% | 44.2% | |
| High school | 25.9% | 30.8% | |
| > High school | 19.0% | 25.0% | |
| Marital status | 0.01 | ||
| Married/living as married | 12.1% | 32.7% | |
| Single/divorced, widowed | 87.9% | 67.3% | |
| On Medicaid (%) | 70.2% | 72.5% | NS |
| Smoking status | 0.05 | ||
| Current smoker | 81.7% | 94.2% | |
| Recent quitter | 18.3% | 5.8% | |
| Cigarettes smoked/day (mean (SD)) | 8.1 (5.3) | 8.4 (8.5) | NS |
| Nicotine dependent | 40.3% | 52.0% | NS |
| Stage of readiness to quit | NS | ||
| Precontemplation | 32.6% | 31.9% | |
| Contemplation | 16.3% | 27.7% | |
| Preparation | 27.9% | 34.0% | |
| Action | 23.3% | 6.4% | |
| Some/most of family/friends smoke | 72.4% | 73.0% | NS |
UC, usual care; MI, motivational intervention; NS, not significant.