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Age of Menarche and Psychosocial Outcomes in a New Zealand Birth Cohort
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Boden, Joseph M.; Fergusson, David M.; Horwood, L. John – Journal of the American Academy of Child & Adolescent Psychiatry, 2011
Objective: This study examined associations between age of menarche and psychosocial outcomes in early adulthood, including sexual behavior, mental health, criminal behavior, and education/employment, to identify the possible causal role of earlier age of menarche in increasing risks of adverse outcomes. Method: Data were gathered from 497 female…
Descriptors: Foreign Countries, Anxiety Disorders, Employment, Family Characteristics
Risk Factors for Conduct Disorder and Oppositional/Defiant Disorder: Evidence from a New Zealand Birth Cohort
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Boden, Joseph M.; Fergusson, David M.; Horwood, L. John – Journal of the American Academy of Child & Adolescent Psychiatry, 2010
Objective: To examine the social, family background, and individual antecedents of conduct disorder (CD) and oppositional defiant disorder (ODD), the extent to which CD and ODD symptoms were predicted by common environmental risk factors, and the extent to which the antecedents of CD and ODD accounted for the comorbidity between the two disorders.…
Descriptors: Foreign Countries, Behavior Disorders, Cohort Analysis, Longitudinal Studies