Table 1.
Descriptive Statistics
| Variable | N | Mean/% | SD |
|---|---|---|---|
| Wave 1st Cig. | 1,846 | 3.19 | 1.99 |
| Wave 1st Reg. Cig. | 1,090 | 3.77 | 1.97 |
| NH Cig. Mean | 3,839 | 0.42 | 0.09 |
| 5HTTLPR*S’ | 1,432 | ||
| 0 | 24.72 | -- | |
| 1 | 49.86 | -- | |
| 2 | 25.42 | -- | |
| Sex | 3,757 | ||
| Male | 50.84 | -- | |
| Female | 49.16 | -- | |
| Race | 3,756 | ||
| White | 40.68 | -- | |
| Black | 50.27 | -- | |
| Hispanic | 3.38 | -- | |
| Other | 5.67 | -- | |
| Parental Education | 3,615 | ||
| <HS | 7.63 | -- | |
| HS | 24.95 | -- | |
| SC | 28.55 | -- | |
| BA | 26.47 | -- | |
| >BA | 12.39 | -- |
NOTE: Wave 1st cigarette and grade 1st regular cigarette smoking descriptive statistics were calculated only among respondents that ever reported cigarette smoking. The parental education categories may be interpreted as follows: “<HS” indicates they did not complete high school; “HS” indicates a high school diploma or equivalent; “SC” indicates they attended post-secondary school but did not complete a four-year degree; “BA” indicates they received a four-year degree; “>BA” indicates they attended or completed graduate-level degree programs.