Ratios of Past Month Crack Use to Marijuana and Alcohol Use by 12th Grade Students
Magnified View of Graphic
Source: Monitoring the Future
Magnified View of Graphic
Source: Monitoring the Future
| Ratios of Crack Use vs Marijuana Use and Alcohol Use Among 12th Grade Students -- Past Month (1985 - 2005) | |||
|---|---|---|---|
| Year | Crack Use Rate (%) | Ratio vs Marijuana | Ratio vs Alcohol |
| 1985 | -- | -- | -- |
| 1986 | -- | -- | -- |
| 1987 | 1.3 | 0.06 | 0.02 |
| 1988 | 1.6 | 0.09 | 0.03 |
| 1989 | 1.4 | 0.08 | 0.02 |
| 1990 | 0.7 | 0.05 | 0.01 |
| 1991 | 0.7 | 0.05 | 0.01 |
| 1992 | 0.6 | 0.05 | 0.01 |
| 1993 | 0.7 | 0.05 | 0.01 |
| 1994 | 0.8 | 0.04 | 0.02 |
| 1995 | 1.0 | 0.05 | 0.02 |
| 1996 | 1.0 | 0.05 | 0.02 |
| 1997 | 0.9 | 0.04 | 0.02 |
| 1998 | 1.0 | 0.04 | 0.02 |
| 1999 | 1.1 | 0.05 | 0.02 |
| 2000 | 1.0 | 0.05 | 0.02 |
| 2001 | 1.1 | 0.05 | 0.02 |
| 2002 | 1.2 | 0.06 | 0.02 |
| 2003 | 0.9 | 0.04 | 0.02 |
| 2004 | 1.0 | 0.05 | 0.02 |
| 2005 | 1.0 | 0.05 | 0.02 |
| Averages: | 1.0 | 0.05 | 0.02 |
| 12th Grade Crack 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 | College Use Ratios | Age 19 to 28 Use Ratios |
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