Disparities Details by Age Group for 2009
SA-13.2 : Adolescents using marijuana in past 30 days (percent, 12–17 years)
This chart compares rates by population.
Error Bar (I) represents the 95% confidence interval.
Additional footnotes may apply to these data. Please refer to footnotes below the data table for further information.
See also Disparities Overview by Age Group for SA-13.2
SA-13.2 Reduce the proportion of adolescents reporting use of marijuana during the past 30 days
Adolescents using marijuana in past 30 days (percent, 12–17 years)
|12-13 years|| 0.8
|14-15 years|| 6.3
|16-17 years|| 14.1
|Average group rate excluding best group rate||
Data are subject to revision and may have changed since a previous release.
Unless noted otherwise, any age-adjusted data are adjusted using the year 2000 standard population.
Data are not available or not collected for populations not shown.
CI: 95% confidence interval.
- The best group rate for this objective, 0.8%, was attained by adolescents aged 12-13 years.
- The worst group rate for this objective, 14.1%, was attained by adolescents aged 16-17 years.
- The absolute difference (or range) between the best and worst group rates was 13.3 percentage points.
- The worst group rate was 17.001 times the best group rate.
- The average rate for all other age groups (excluding the best), 10.2%, was 12.321 times the best group rate.
Adolescents aged 12-13 years achieved the best group rate for this objective, 0.8%.
- The rate among adolescents aged 14-15 years was 7.641 times the best group rate.
- The rate among adolescents aged 16-17 years was 17.001 times the best group rate.