Justin E Heinze1, Patrick M Carter2, Quyen Ngo3, Marc A Zimmerman4, Maureen A Walton5, Rebecca M Cunningham6. 1. Department of Health Behavior & Health Education, University of Michigan School of Public Health, Ann Arbor, Michigan; Youth Violence Prevention Center, University of Michigan School of Public Health, Ann Arbor, Michigan; University of Michigan Injury Center, University of Michigan School of Medicine, Ann Arbor, Michigan. Electronic address: jheinze@umich.edu. 2. Youth Violence Prevention Center, University of Michigan School of Public Health, Ann Arbor, Michigan; University of Michigan Injury Center, University of Michigan School of Medicine, Ann Arbor, Michigan; Department of Emergency Medicine, University of Michigan School of Medicine, Ann Arbor, Michigan. 3. University of Michigan Injury Center, University of Michigan School of Medicine, Ann Arbor, Michigan; Department of Emergency Medicine, University of Michigan School of Medicine, Ann Arbor, Michigan; Institute for Research on Women and Gender, University of Michigan, Ann Arbor, Michigan. 4. Department of Health Behavior & Health Education, University of Michigan School of Public Health, Ann Arbor, Michigan; Youth Violence Prevention Center, University of Michigan School of Public Health, Ann Arbor, Michigan; University of Michigan Injury Center, University of Michigan School of Medicine, Ann Arbor, Michigan. 5. Youth Violence Prevention Center, University of Michigan School of Public Health, Ann Arbor, Michigan; University of Michigan Injury Center, University of Michigan School of Medicine, Ann Arbor, Michigan; University of Michigan Addiction Center, Department of Psychiatry, University of Michigan School of Medicine, Ann Arbor, Michigan. 6. Department of Health Behavior & Health Education, University of Michigan School of Public Health, Ann Arbor, Michigan; Youth Violence Prevention Center, University of Michigan School of Public Health, Ann Arbor, Michigan; University of Michigan Injury Center, University of Michigan School of Medicine, Ann Arbor, Michigan; Department of Emergency Medicine, University of Michigan School of Medicine, Ann Arbor, Michigan; Department of Emergency Medicine, Hurley Medical Center, Flint, Michigan.
Abstract
PURPOSE: Perpetration of violent behavior begins to increase in adolescence and peaks in young adulthood (e.g., age 18-29) before decreasing by the early 30s. Considerable variability in reported perpetration, targets, and severity of violence suggests youth may change their violent behavior patterns over time. METHODS: We use latent transition analysis to describe profiles of violent behavior against partners and nonpartners in an at-risk sample of young adults (N = 599; 59% male; 61% African-American) over a period of 2 years. RESULTS: A four-class solution provided the best fit to the data, with classes corresponding to (1) nonviolent behavior (48.3% of the sample); (2) violent only toward nonpartners (22.3%); (3) violent only toward partners (16.0%); and (4) violent toward nonpartners and partners (13.4%). Participants' sex, race, age, previous violent injury, antisocial behavior, alcohol dependence, and possession of firearms were associated with baseline class membership. CONCLUSIONS: Implications for prevention are discussed.
PURPOSE: Perpetration of violent behavior begins to increase in adolescence and peaks in young adulthood (e.g., age 18-29) before decreasing by the early 30s. Considerable variability in reported perpetration, targets, and severity of violence suggests youth may change their violent behavior patterns over time. METHODS: We use latent transition analysis to describe profiles of violent behavior against partners and nonpartners in an at-risk sample of young adults (N = 599; 59% male; 61% African-American) over a period of 2 years. RESULTS: A four-class solution provided the best fit to the data, with classes corresponding to (1) nonviolent behavior (48.3% of the sample); (2) violent only toward nonpartners (22.3%); (3) violent only toward partners (16.0%); and (4) violent toward nonpartners and partners (13.4%). Participants' sex, race, age, previous violent injury, antisocial behavior, alcohol dependence, and possession of firearms were associated with baseline class membership. CONCLUSIONS: Implications for prevention are discussed.
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