Cover, Executive Summary, and
Table of Contents (PDF 181 kb)
1. Introduction (PDF 39 kb)
Background and Purpose
Organization of this Report
2. Methodology (PDF 224 kb)
Description of National Longitudinal
Survey of Youth
Analytic Techniques
Description of Movement into and out of Drug Use
Prediction
Variables
Nonresponse Analysis
3. Drug use 1984–1998 (PDF 431 kb)
Comparison Between Those Included/Not Included in Analysis
Movement Into and Out of Drug Use
Marijuana Use in the Past Year
Cocaine Use in the Past Year
Marijuana and Cocaine Use in the Past Year
Correlates of Number of Years Used Drugs: Gender and
Racial/Ethnic Differences
Comparisons of Drug Use Over Time
Comparison Between NLSY and National Household Survey
on
Drug Abuse (NHSDA)
Strengths of Longitudinal Surveys
Summary
4. Heavy Drug Use (PDF 278 kb)
Introduction
Age of First Use
Prediction of Heavy Cocaine Use
Correlates of Number of Years of Drug Use
Summary
5. Longitudinal Screening (PDF 56 kb)
Introduction
Screening the Sample
Selecting the Sample
Weighting the Sample
Conclusion
Appendix A (PDF 378 kb)
