Ratios of Past Month Cocaine Use to Marijuana and Alcohol Use by College Students

Source: Monitoring the Future

Ratios of Cocaine Use vs Marijuana Use and Alcohol Use Among College Students -- Past Month (1980 - 2004)
Year Cocaine Use Rate (%) Ratio vs Marijuana Ratio vs Alcohol
1980 6.9 0.20 0.08
1981 7.3 0.22 0.09
1982 7.9 0.29 0.10
1983 6.5 0.25 0.08
1984 7.6 0.33 0.10
1985 6.9 0.29 0.09
1986 7.0 0.31 0.09
1987 4.6 0.23 0.06
1988 4.2 0.25 0.05
1989 2.8 0.17 0.04
1990 1.2 0.09 0.02
1991 1.0 0.07 0.01
1992 1.0 0.07 0.01
1993 0.7 0.05 0.01
1994 0.6 0.04 0.01
1995 0.7 0.04 0.01
1996 0.8 0.05 0.01
1997 1.6 0.09 0.02
1998 1.6 0.09 0.02
1999 1.2 0.06 0.02
2000 1.4 0.07 0.02
2001 1.9 0.09 0.03
2002 1.6 0.08 0.02
2003 1.9 0.10 0.03
2004 2.4 0.13 0.04
Averages: 2.0 0.11 0.03

Navigate to Other Available Data

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

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