Adolescent Marijuana Use: A Review

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Abstract
The adolescent marijuana literature is reviewed. Studies show that the prevalence of marijuana use is generally quite low in elementary schools. In junior and senior high samples, findings vary greatly from place to place. The prevalence of use increased dramatically during the 1970s although the use patterns may have peaked already in some areas. The use of marijuana increases with age, but some evidence suggests that a slight drop-off in use occurs near the end of high school. Female use seems to be increasing more than male use. Use seems to be somewhat more prevalent in middle- and upper-middle-class homes and in broken homes. Mixed support has been found for the hypothesis that marijuana users have parents that are more permissive. Parents of marijuana users are generally characterized as being less warm and supportive, and more inclined toward the use of drugs themselves. Peer and sibling use of marijuana seem to be particularly important predictors of adolescent marijuana use. Findings on personality characteristics of marijuana users are not extensive and are somewhat contradictory. There is some evidence that users tend to be somewhat alienated, external in their locus of control, and possibly higher on anxiety. Users are also characterized by a higher value on independence vs achievement and more positive attitudes toward marijuana use. Behavioral correlates of marijuana use include greater use of alcohol and other drugs, and poorer school performance.

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