Prevalence of current ST use1-150overall and by demographic characteristics, other substance use, and significant others
| n | Prevalence (%) | OR (95% CI) | |
| Overall | 1226 | 15 | |
| Demographics | |||
| High school location | |||
| Rural1-151 | 485 | 19 | 1.6 (1.2 to 2.3) |
| Urban | 741 | 12 | 1.0 |
| Ethnic group | |||
| White | 776 | 17 | 1.8 (1.2 to 2.6) |
| Non-white | 443 | 11 | 1.0 |
| Hispanic | 258 | 11 | |
| Asian | 83 | 10 | |
| African American | 56 | 5 | |
| Native American | 38 | 18 | |
| Age group | |||
| > 16.5 to 19 years | 612 | 17 | 1.5 (1.1 to 2.1) |
| 13 to 16.5 years | 599 | 12 | 1.0 |
| Substance use | |||
| Alcohol user | |||
| Current use1-152 | 547 | 29 | 9.6 (6.1 to 15.2) |
| No current use | 678 | 4 | 1.0 |
| Smoking history | |||
| Current smoker1-153 | 46 | 41 | 5.3 (2.7 to 10.4) |
| Former smoker | 122 | 33 | 3.7 (2.4 to 5.8) |
| Never smoked | 1056 | 12 | 1.0 |
| Athlete's perception | |||
| Father uses ST | |||
| Yes | 88 | 36 | 3.8 (2.3 to 6.3) |
| No | 1114 | 13 | 1.0 |
| Coach uses ST | |||
| Yes | 517 | 22 | 3.1 (1.9 to 5.1) |
| No | 403 | 11 | 1.4 (0.81 to 2.4) |
| Unknown | 304 | 8 | 1.0 |
| Best friend uses ST | |||
| Regular | 109 | 55 | 22.1 (13.3 to 36.8) |
| Occasional | 214 | 36 | 9.9 (6.5 to 15.2) |
| Non-user | 894 | 5 | 1.0 |
OR, odds ratio; CI, confidence interval; the category with OR = 1.0 is the reference category.
↵1-150 ST use more than once a month.
↵1-151 Located in a town with a population < 50 000 in a county with a population density of < 1000 persons/square mile.
↵1-152 ⩾ 10 drinks consumed in the past 12 months .
↵1-153 Daily use of at least 1 cigarette.