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

Source: Monitoring the Future

Ratios of Other Narcotic Use vs Marijuana Use and Alcohol Use Among College Students -- Past Month (1980 - 2004)
Year Other Narcotic Use Rate (%) Ratio vs Marijuana Ratio vs Alcohol
1980 1.8 0.05 0.022
1981 1.1 0.03 0.013
1982 0.9 0.03 0.011
1983 1.1 0.04 0.014
1984 1.4 0.06 0.018
1985 0.7 0.03 0.009
1986 0.6 0.03 0.008
1987 0.8 0.04 0.010
1988 0.8 0.05 0.010
1989 0.7 0.04 0.009
1990 0.5 0.04 0.007
1991 0.6 0.04 0.008
1992 1.0 0.07 0.014
1993 0.7 0.05 0.010
1994 0.4 0.03 0.006
1995 1.2 0.06 0.018
1996 0.7 0.04 0.010
1997 1.3 0.07 0.020
1998 1.1 0.06 0.016
1999 1.0 0.05 0.014
2000 1.7 0.09 0.025
2001 1.7 0.08 0.025
2002 3.2 0.16 0.046
2003 2.3 0.12 0.035
2004 3.0 0.16 0.044
Averages: 1.2 0.07 0.018

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Past Year Ratios of Use Past Month Ratios of Use Use Ratios vs Alcohol
Use Ratios vs Marijuana College Other Narcotic Use Comparisons Across Demographics

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