Exploring a causal model in observational cohort data: The role of parents and peers in shaping substance use trajectories

CJ Greenwood; GJ Youssef; P Letcher; EA Spry; KC Thomson; LJ Hagg; DM Hutchinson; JA Macdonald; J McIntosh; A Sanson; JW Toumbourou; CA Olsson

Journal article

Exploring a causal model in observational cohort data: The role of parents and peers in shaping substance use trajectories

CJ Greenwood, GJ Youssef, P Letcher, EA Spry, KC Thomson, LJ Hagg, DM Hutchinson, JA Macdonald, J McIntosh, A Sanson, JW Toumbourou, CA Olsson

Addictive Behaviors | PERGAMON-ELSEVIER SCIENCE LTD | Published : 2021

DOI: 10.1016/j.addbeh.2020.106597

Abstract

Aims: To explore the process of applying counterfactual thinking in examining causal determinants of substance use trajectories in observational cohort data. Specifically, we examine the extent to which quality of the parent-adolescent relationship and affiliations with deviant peers are causally related to trajectories of alcohol, tobacco, and cannabis use across adolescence and into young adulthood. Methods: Data were drawn from the Australian Temperament Project, a population-based cohort study that has followed a sample of young Australians from infancy to adulthood since 1983. Parent-adolescent relationship quality and deviant peer affiliations were assessed at age 13–14 years. Latent c..

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University of Melbourne Researchers

Jacqui MacDonald Author

Ann Sanson Author

Related Projects (2)

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Grants

Awarded by University of Otago

Funding Acknowledgements

Data collection for the ATP study was supported primarily through Australian grants from the Melbourne Royal Children's Hospital Research Foundation, National Health and Medical Research Council, Australian Research Council, and the Australian Institute of Family Studies. Funding for this work was supported by grants from the Australian Research Council [DP130101459; DP160103160; DP180102447] and the National Health and Medical Research Council of Australia [APP1082406]. CJG was supported by a Deakin University PhD Scholarship. DMH and CAO were supported by the National Health and Medical Research Council of Australia [APP1197488; APP1175086].