Ratios of Heroin Use to Marijuana Use by 8th Grade Students


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Source: Monitoring the Future

Ratios of Heroin Use vs Marijuana Use Among 8th Grade Students (1991 - 2005)
Year Lifetime Past Year Past Month
1991 0.118 0.113 0.094
1992 0.125 0.097 0.108
1993 0.111 0.076 0.078
1994 0.120 0.092 0.077
1995 0.116 0.089 0.066
1996 0.104 0.087 0.062
1997 0.093 0.073 0.059
1998 0.104 0.077 0.062
1999 0.105 0.085 0.062
2000 0.094 0.071 0.055
2001 0.083 0.065 0.065
2002 0.083 0.062 0.060
2003 0.091 0.070 0.053
2004 0.098 0.085 0.078
2005 0.091 0.066 0.076
Averages: 0.103 0.082 0.070

Navigate to Other Available Data

8th Grade Heroin Use Overview Heroin vs Alcohol Use Ratios Comparison Use Ratios vs Both Alcohol & Marijuana
10th Grade Use Ratios vs Marijuana 12th Grade Use Ratios vs Marijuana College Use Ratios vs Marijuana
Age 19 to 28 Use Ratios vs Marijuana Use Across 8th, 10th and 12th Grades Use Across 12th Grade, College Students, and Young Adults

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