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Table 1 Prevalence Rates for Substance Abuse and Dependence

From: Alcohol dependence: international policy implications for prison populations

Substance

Grendon N = 118

Aylesbury N = 37

Minnesota N = 6,881

 

Abuse

Dependence

Abuse

Dependence

Abuse

Dependence

Alcohol

3%

45%

2%

86%

16%

29%

Marijuana

3%

23%

5%

81%

13%

18%

Cocaine

3%

41%

8%

79%

4%

9%

Heroin

3%

27%

5%

24%

<1%

2%

Stimulants

4%

11%

22%

27%

4%

12%

Maximum Diagnosis *

3%

75%

0%

97%

21%

52%

  1. * Maximum diagnosis refers to the proportion of cases with any dependence or abuse only diagnosis where a diagnosis of dependence for any substance overrides a diagnosis of abuse for another substance.