Table 1.
Demographic Characteristics of Sample
| Characteristic | Whole Sample (n = 4182) | Light Smokers (n = 530) | Heavy Smokers (n = 329) | Nonsmokers (n= 3323) |
|---|---|---|---|---|
| Gender | ||||
| Male | 47.5% | 38.5% | 52.7% | 47.2% |
| Female | 52.5% | 61.5% | 47.4% | 52.8% |
| Grade | ||||
| 9 | 31.5% | 24.7% | 23.4% | 33.3% |
| 10 | 27.3% | 23.6% | 26.5% | 28.0% |
| 11 | 25.6% | 29.8% | 31.4% | 24.4% |
| 12 | 15.6% | 21.9% | 18.8% | 14.3% |
| Race | ||||
| Caucasian | 75.8% | 82.8% | 78.7% | 74.3% |
| African-American | 10.1% | 5.3% | 7.9% | 11.0% |
| Hispanic | 14.2% | 12.1% | 20.6% | 13.9% |
| Dietary Restriction | ||||
| No Restrictions | 35.3% | 30.9% | 35.6% | 36% |
| Healthy Restrictions | 48.9% | 41.5% | 29.8% | 52% |
| Unhealthy Restrictions | 15.8% | 27.6% | 34.7% | 12% |
| BMI | ||||
| Underweight (BMI < 18.5) | 11.1% | 8.3% | 6.5% | 12.2% |
| Overweight (BMI > 25) | 21.7% | 24.8% | 28.1% | 20.5% |
| Normal Weight (BMI 18.5–25) | 67.2% | 66.9% | 65.5% | 67% |