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SA-3.4 Data Details

SA-3.4 Increase the proportion of adolescents who disapprove of trying marijuana or hashish once or twice—8th graders

About the Data

Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.

National Data Source
Monitoring the Future Study (MTF); National Institutes of Health, National Institute on Drug Abuse (NIH/NIDA)
Changed Since the Healthy People 2020 Launch
Baseline (Year)
75.3 (2009)
Target-Setting Method
10 percent improvement
Number of 8th grade students who report their disapproval of people who try marijuana once or twice
Number of 8th grade students
Questions Used to Obtain the National Baseline Data

From the 2009 Monitoring the Future Study:


Individuals differ in whether or not they disapprove of people doing certain things.

Do YOU disapprove of people doing each of the following?

Trying marijuana once or twice....

  1. Disapprove
  2. Don't disapprove
  3. Strongly disapprove
  4. Can't say, Drug Unfamiliar
Data Collection Frequency
Comparable Healthy People 2010 Objective
Retained from HP2010 objective
Methodology Notes

Disapproval is defined as those who report that they "disapprove" or "strongly disapprove." Data are based on students in attendance on the day of the survey administration. A description of the Monitoring the Future Study (MTF) has been published by NIDA.


Additional resources about the objective.

  1. Johnston, L. D., O'Malley, P. M., Bachman, J. G., & Schulenberg, J. E. Monitoring the Future national results on adolescent drug use: Overview of key findings, 2009. NIH Publication No. 10-7583. Bethesda, MD: National Institute on Drug Abuse. 2010.