Ratios of Past Month Crack Use to Marijuana and Alcohol Use by 10th Grade Students


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Source: Monitoring the Future

Ratios of Crack Use vs Marijuana Use and Alcohol Use Among 10th Grade Students -- Past Month (1991 - 2005)
Year Crack Use Rate (%) Ratio vs Marijuana Ratio vs Alcohol
1991 0.3 0.034 0.007
1992 0.4 0.049 0.010
1993 0.5 0.046 0.013
1994 0.6 0.038 0.015
1995 0.9 0.052 0.023
1996 0.8 0.039 0.020
1997 0.9 0.044 0.022
1998 1.1 0.059 0.028
1999 0.8 0.041 0.020
2000 0.9 0.046 0.022
2001 0.7 0.035 0.018
2002 1.0 0.056 0.028
2003 0.7 0.041 0.020
2004 0.8 0.050 0.023
2005 0.7 0.046 0.021
Averages: 0.7 0.045 0.019

Navigate to Other Available Data

10th Grade Crack Use Overview Lifetime Ratios of Use Past Year Ratios of Use
Use Ratios vs Alcohol Use Ratios vs Marijuana 8th Grade Use Ratios
12th Grade Use Ratios College Use Ratios Age 19 to 28 Use Ratios

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