Ratios of Past Year Crack Use to Marijuana and Alcohol Use by Those Ages 19 to 28

Source: Monitoring the Future

Ratios of Crack Use vs Marijuana Use and Alcohol Use Among Those Ages 19 to 28 -- Past Year (1986 - 2004)
Year Crack Use Rate (%) Ratio vs Marijuana Ratio vs Alcohol
1986 3.2 0.09 0.036
1987 3.1 0.09 0.035
1988 3.1 0.10 0.035
1989 2.5 0.09 0.028
1990 1.6 0.06 0.018
1991 1.2 0.05 0.014
1992 1.4 0.06 0.016
1993 1.3 0.05 0.015
1994 1.1 0.04 0.013
1995 1.1 0.04 0.013
1996 1.1 0.04 0.013
1997 1.0 0.04 0.012
1998 1.1 0.04 0.013
1999 1.4 0.05 0.017
2000 1.2 0.04 0.014
2001 1.3 0.04 0.015
2002 1.0 0.03 0.012
2003 1.0 0.03 0.012
2004 1.3 0.04 0.015
Averages: 1.6 0.05 0.018

Navigate to Other Available Data

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

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