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Parent and child endorsement of reactive aggression both predict the emergence of child aggression, but they are rarely studied together and in longitudinal contexts. The present study does so by examining the unique predictive effects of parent and child endorsement of reactive aggression at age 8 on child aggression at age 9 in 1456 children from 13 cultural groups in 9 nations. Multiple group structural equation models explored whether age 8 child and parent endorsement of reactive aggression predicted subsequent age 9 child endorsement of reactive aggression and child aggression, after accounting for prior child aggression and parent education. Results revealed that greater parent endorsement of reactive aggression at age 8 predicted greater child endorsement of aggression at age 9, that greater parent endorsement of reactive aggression at age 8 uniquely predicted greater aggression at age 9 in girls, and that greater child endorsement of reactive aggression at age 8 uniquely predicted greater aggression at age 9 in boys. All three of these associations emerged across cultures. Implications of, and explanations for, study findings are discussed., (© 2022 Wiley Periodicals LLC.)

Background: Studies of U.S. and European samples demonstrate that parental warmth and behavioral control predict child internalizing behaviors and vice versa. However, these patterns have not been researched in other cultures. This study investigates associations between parent warmth and control and three child-reported internalizing behavior clusters to examine this question., Methods: Data from 12 cultural groups in 9 countries were used to investigate prospective bidirectional associations between parental warmth and control, and three child-reported internalizing behavior types: withdrawn/depressed, anxious/depressed, and somatic problems. Multiple-group structural equation modeling was used to analyze associations in children followed from ages 8 to 12., Results: Parent warmth and control effects were most pervasive on child-reported withdrawn/depressed problems, somewhat pervasive on anxious/depressed problems and least pervasive on somatic problems. Additionally, parental warmth, as opposed to control, was more consistently associated with child-reported internalizing problems across behavior clusters. Child internalizing behavior effects on parental warmth and control appeared ubiquitously across cultures, and behaviors, but were limited to ages 8-10. Most effects were pancultural, but culture-specific effects emerged at ages 9-10 involving the associations between parent warmth and withdrawn/depressed and somatic behaviors., Conclusions: Effects of parent warmth and control appear stronger on some types of child-reported internalizing behaviors. Associations are especially strong with regard to parental warmth across cultures, and culture-specific effects may be accounted for by cultural normativeness of parent warmth and child-reported somatic symptoms. Child internalizing behavior effects on subsequent parenting are common across cultures., (© 2019 Association for Child and Adolescent Mental Health.)

Use of alcohol, tobacco, and drugs (i.e., substance use) is a leading cause of global health burden for 10-to-24-year-olds, according to the World Health Organization's index of number of years of life lost, leading international health organizations to prioritize the prevention of substance use before it escalates in adolescence. Pathways defined by childhood externalizing symptoms and internalizing symptoms identify precursors to frequent substance use toward which interventions can be directed. However, these pathways are rarely examined beyond the United States and Europe. We investigated these pathways in our sample of 1083 children from 10 cultural groups followed from ages 8-14. We found that age-10 externalizing symptoms predicted more frequent mother-reported age-13 and self-reported age-14 substance use. We also found that a depressive pathway, marked by behavioral inhibition at age 8 and subsequent elevation in depressive symptoms across ages 8-12 predicted more frequent substance use at age 13 and 14. Additionally, we found a combined externalizing and internalizing pathway, wherein elevated age-9 depressive symptoms predicted elevated externalizing symptoms at age-10 which predicted greater peer support for use at age-12, which led to more frequent substance use at age-13 and -14. These pathways remained significant within the cultural groups we studied, even after controlling for differences in substance use frequency across groups. Additionally, cultures with greater opportunities for substance use at age-12 had more frequent adolescent substance use at age-13. These findings highlight the importance of disaggregating between- and within-culture effects in identifying the etiology of early adolescent substance use., (Copyright © 2019 Elsevier Ltd. All rights reserved.)