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Times used marijuana, past 30 days

Codes and Frequencies

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For sample persons ages 12-21, MJXMO reports the number of times the person has used marijuana in the past 30 days. Response categories include never in life, zero times in the past 30 days, 1 or 2 times, 3 to 9 times, 10 to 19 times, 20 to 39 times, or 40 or more times.

This variable is part of the Youth Risk Behavior supplement, included in 1992. The supplement includes questions about injury risks, physical fights, weapons use, cigarette smoking, chewing tobacco, alcohol and illegal drug use, AIDS/HIV education, diet and nutrition, physical activities, stays away from home, and sexual behaviors. For more information or related variables please use the IPUMS NHIS search function or drop-down menus.


There are no comparability issues.


  • 1992: Sample persons age 12-21.


  • 1992