Substance Use Among Youth Entering Texas
Youth Commission Reception Facilities, 1989


Second Report: Substance Use and Crime,
Executive Summary

Lynn S. Wallisch, M.A.


Acknowledgements/Copyright
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Introduction


Research supports the popular notion that drug use and delinquency are intimately related, but the nature of this relationship is still not well understood. Does drug abuse cause crime, does crime lead to drug abuse, or are both drug abuse and crime independently caused by the same underlying factors? The links between drugs and crime are complex, and any analysis of the relationship between them should take into account the specific types and amounts of drugs involved, the nature of the crime committed, and the sociodemographic context in which the drug-crime link occurs. Although the present report does not lay the issues of causation to rest once and for all, it does shed some light on them in the context of delinquent and drug-using youth in Texas.

This report is the second in a series on youth entering detention in Texas Youth Commission (TYC) facilities, and presents descriptive information gathered from interviews with 945 youth aged 10-17 entering TYC in 1989. The youth were interviewed at length about their criminal careers as well as about their present and past substance use. They were also asked a variety of questions about their families, peers, school experiences and feelings about themselves. This report is a follow-up to the earlier report Substance Use Among Youth Entering Texas Youth Commission Reception Facilities, 1989: First Report (Fredlund 1990), which primarily discussed the substance use and sociodemographic background of these youth. The present report focuses on the criminal careers of the youth, and also examines the relationship between their delinquency and substance use. Because this sample consists of youth who have been arrested and detained for at least one serious crime, no inferences should be drawn about the relationship between drugs and crime in the general population of youth this age.

Prevalence of Substance Use: Comparisons to National Rates
The substance use patterns of the TYC population are summarized below and compared, where possible, to information from the Survey of Youth in Custody, a nationally-representative survey of youth aged 11-17 in long-term, state-operated juvenile institutions (Bureau of Justice Statistics 1987).

Comparison of Demographic Characteristics and Use of Substances, TYC Youth and National Sample of Youth in Detention

TYC Youth (1989) National (1987)
Demographics
  Male 93% 93%
  White 25% 44%
  Black 38% 41%
  Hispanic 32% 15%
  Completed less than 7th grade 14% 16%
  Completed 7th or 8th 48% 49%
  Completed some H.S. 35% 35%
  H.S. graduate 0% 0%
  Age 11 ­ 14 25% 17%
  Age 15 ­ 17 75% 83%
Alcohol Use
  Ever used 91% n/a
  Used in past year 85% 76%
  Used in past month 53% n/a
Illicit Drug Use
  Ever used 81% 81%
  Used in past year 74% n/a
  Used in past month 51% 57%
  Ever used marijuana 79% 79%
  Ever used cocaine 39% 43%
  Ever used amphetamines 29% 38%
  Ever used barbiturates 21% 28%
  Ever used heroin 11% 12%
  Ever used psychedelics* 34% 27%
*For the National survey, the question refers to LSD only.


Age at First Use
Criminal Careers

Figure 2. First Criminal Act, Self-Reported by TYC Youth

Crime and Substance Use

Figure 3. Substance Use at the Time of Instant Offense, Self-Reported by TYC Youth

Classifying Youth by Patterns of Criminality
On the basis of the predominant types of crimes they reported having committed over their lifetimes, youth were classified into nine distinguishing groups.


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