Table 1.
Individual and community risk factors and smoking outcomes (N=3646)
| Variable | n | Proportion of sample | Proportion who have tried smoking | Smoking intensity scale mean |
|---|---|---|---|---|
| Individual descriptors | ||||
| Categorical | ||||
| Age | ||||
| 13 | 114 | 0.03 | 0.18 | 1.81 |
| 14 | 722 | 0.20 | 0.24 | 1.73 |
| 15 | 827 | 0.23 | 0.29 | 2.04 |
| 16 | 804 | 0.22 | 0.37 | 2.21 |
| 17 | 769 | 0.21 | 0.43 | 2.57 |
| 18 | 410 | 0.11 | 0.56 | 3.10 |
| Gender | ||||
| Male | 1810 | 0.50 | 0.38 | 2.39 |
| Female | 1836 | 0.50 | 0.34 | 2.32 |
| Race/ethnicity | ||||
| White | 2091 | 0.57 | 0.36 | 2.74 |
| Black | 818 | 0.22 | 0.32 | 1.61 |
| Hispanic | 481 | 0.13 | 0.41 | 1.89 |
| Mixed race/other | 256 | 0.07 | 0.38 | 2.37 |
| Sibling smokes | ||||
| No | 2924 | 0.80 | 0.31 | 2.29 |
| Yes | 720 | 0.20 | 0.56 | 2.51 |
| Friend smoking | ||||
| None | 1615 | 0.44 | 0.17 | 1.27 |
| Some | 1711 | 0.47 | 0.45 | 2.15 |
| Most | 316 | 0.09 | 0.78 | 4.23 |
| Ever smoked | ||||
| No | 2349 | 0.64 | ||
| Yes | 1297 | 0.36 | ||
| Median | Quartiles 1 and 3 | (correlation) | (correlation) | |
| Continuous | ||||
| Smoking intensity (among smokers) | 1 | 1, 3 | ||
| Socioeconomic status | 0.08 | −0.65, 0.65 | −0.12 | 0.01 |
| Movie smoking exposure | 558 | 285, 883 | 0.21 | 0.05 |
| Team sports participation | 1 | 0, 2 | −0.08 | −0.16 |
| Sensation seeking | 12 | 10, 14 | 0.31 | 0.27 |
| Community descriptors | ||||
| Tobacco outlet density (per 1000 people) | 0.34 | 0.03, 1.12 | 0.03 | −0.07 |
| Distance (mi) to nearest outlet | 0.59 | 0.29, 1.19 | 0.001 | 0.03 |
| Proportion population Black* | 0.03 | 0.01, 0.21 | −0.03 | −0.19 |
| Proportion population Hispanic* | 0.03 | 0.01, 0.09 | 0.02 | −0.10 |
| Poverty*† | 0.06 | 0.03, 0.11 | 0.02 | −0.12 |
*For each adolescent's census tract.
†Proportion of families with income below the poverty level.