Ratios of Past Month Amphetamine Use to Marijuana and Alcohol Use by College Students
Source: Monitoring the Future
Source: Monitoring the Future
| Ratios of Amphetamine Use vs Marijuana Use and Alcohol Use Among College Students -- Past Month (1980 - 2004) | |||
|---|---|---|---|
| Year | Amphetamine Use Rate (%) | Ratio vs Marijuana | Ratio vs Alcohol |
| 1980 | 13.4 | 0.39 | 0.16 |
| 1981 | 12.3 | 0.37 | 0.15 |
| 1982 | 9.9 | 0.37 | 0.12 |
| 1983 | 7.0 | 0.27 | 0.09 |
| 1984 | 5.5 | 0.24 | 0.07 |
| 1985 | 4.2 | 0.18 | 0.05 |
| 1986 | 3.7 | 0.17 | 0.05 |
| 1987 | 2.3 | 0.11 | 0.03 |
| 1988 | 1.8 | 0.11 | 0.02 |
| 1989 | 1.3 | 0.08 | 0.02 |
| 1990 | 1.4 | 0.10 | 0.02 |
| 1991 | 1.0 | 0.07 | 0.01 |
| 1992 | 1.1 | 0.08 | 0.02 |
| 1993 | 1.5 | 0.11 | 0.02 |
| 1994 | 1.5 | 0.10 | 0.02 |
| 1995 | 2.2 | 0.12 | 0.03 |
| 1996 | 0.9 | 0.05 | 0.01 |
| 1997 | 2.1 | 0.12 | 0.03 |
| 1998 | 1.7 | 0.09 | 0.02 |
| 1999 | 2.3 | 0.11 | 0.03 |
| 2000 | 2.9 | 0.15 | 0.04 |
| 2001 | 3.3 | 0.16 | 0.05 |
| 2002 | 3.0 | 0.15 | 0.04 |
| 2003 | 3.1 | 0.16 | 0.05 |
| 2004 | 3.2 | 0.17 | 0.05 |
| Averages: | 2.1 | 0.12 | 0.03 |
| College Amphetamine Use Overview | Lifetime Ratios of Use | Past Year Ratios of Use |
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| Use Ratios vs Alcohol | Use Ratios vs Marijuana | 8th Grade Use Ratios |
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| 10th Grade Use Ratios | 12th Grade Use Ratios | Age 19 to 28 Use Ratios |
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