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. 2011 Apr;108(2):339-57.
doi: 10.2466/10.18.PR0.108.2.339-357.

Developmental trajectories of marijuana use from adolescence to adulthood: personality and social role outcomes

Judith S Brook  1 , Jung Yeon Lee, Elaine N Brown, Stephen J Finch, David W Brook
Affiliations

Developmental trajectories of marijuana use from adolescence to adulthood: personality and social role outcomes

Judith S Brook et al. Psychol Rep. 2011 Apr.

Abstract

Longitudinal trajectories of marijuana use from adolescence into adulthood were examined for adverse life-course outcomes among African-Americans and Puerto Ricans. Data for marijuana use were analyzed at four points in time and on participants' personality attributes, work functioning, and partner relations in adulthood using growth mixture modeling. Each of the three marijuana-use trajectory groups (maturing-out, late-onset, and chronic marijuana-users) had greater adverse life-course outcomes than a nonuse or low-use trajectory group. The chronic marijuana-use trajectory group was highly associated with criminal behavior and partners' marijuana use in adulthood. Treatment programs for marijuana use should also directly address common adverse life-course outcomes users may already be experiencing.

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Figures

Figure 1
Figure 1
Frequency of marijuana use by age for four derived trajectories. Frequency of marijuana use coded as 1: never, 2: a few times a year or less, 3: about once a month, 4: several times a month, 5: once a week or more.
See this image and copyright information in PMC

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