Ratios of Past Month Crack Use to Marijuana and Alcohol Use by 8th Grade Students

Source: Monitoring the Future

Ratios of Crack Use vs Marijuana Use and Alcohol Use Among 8th Grade Students -- Past Month (1991 - 2005)
Year Crack Use Rate (%) Ratio vs Marijuana Ratio vs Alcohol
1991 0.3 0.094 0.012
1992 0.5 0.135 0.019
1993 0.4 0.078 0.016
1994 0.7 0.090 0.027
1995 0.7 0.077 0.028
1996 0.8 0.071 0.031
1997 0.7 0.069 0.029
1998 0.9 0.093 0.039
1999 0.8 0.082 0.033
2000 0.8 0.088 0.036
2001 0.8 0.087 0.037
2002 0.8 0.096 0.041
2003 0.7 0.093 0.036
2004 0.6 0.094 0.032
2005 0.6 0.091 0.035
Averages: 0.7 0.089 0.030

Navigate to Other Available Data

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

truth: the Anti-drugwar Anti-drugwar Arsenal Accept the $1 Challenge