Hayley Hamilton 2024

https://doi.org/10.1186/s12889-024-20769-2

https://doi.org/10.1177/07067437241287153

Identifying Psychosocial and Ecological Determinants of Enthusiasm In Youth: Integrative Cross-Sectional Analysis Using Machine Learning

Roberta Dolling-Boreham, Akshay Mohan, Mohamed Abdelhack, Tara Elton-Marshall, Hayley Hamilton, Angela Boak, Daniel Felsky

Understanding the factors contributing to mental well-being in youth is a public health priority. Self-reported enthusiasm for the future may be a useful indicator of well-being and has been shown to forecast social and educational…

https://doi.org/10.1186/s12889-024-19440-7

The Toronto Adolescent and Youth Cohort Study: Study Design and Early Data Related to Psychosis Spectrum Symptoms, Functioning, and Suicidality

Kristin Cleverley, George Foussias, Stephanie Ameis, Darren Courtney, Benjamin Goldstein, Lisa Hawke, Nicole Kozloff, Lena Quilty, Martin Rotenberg, Anne Wheeler, Brendan Andrade, Madison Aitken, Don Mahleka, Melanie Jani, Margot Frayne, Jimmy Wong, Rachel Kelly, Erin Dickie, Daniel Felsky, John Haltigan, Aristotle Voineskos

Psychosis spectrum symptoms (PSSs) occur in a sizable percentage of youth and are associated with poorer cognitive performance, poorer functioning, and suicidality (i.e., suicidal thoughts and behaviors). PSSs may occur more frequently in youths already experiencing another mental illness, but the antecedents are not well known…

Changes in modes of cannabis consumption pre- and post-legalization and their correlates among adults in Ontario, Canada: 2017–2022

Yeshambel Nigatu, Sameer Imtiaz, Tara Elton-Marshall, Sergio Rueda, Hayley Hamilton

Despite an increase in the varieties of cannabis products available for consumption, limited evidence is available about the patterns of cannabis consumption methods…

https://link.springer.com/article/10.1007/s00127-024-02619-z#Sec13

Changes in medical cannabis use in Ontario, Canada (2014 to 2019): Trajectory of trends, medical authorization patterns and association with recreational cannabis legalization

Sameer Imtiaz, Yeshambel Nigatu, Farihah Ali, Tara Elton-Marshall, Jürgen Rehm, Sergio Rueda, Hayley Hamilton

We characterized trends in medical cannabis use; examined characteristics associated with medical cannabis use without…

Priorities for addressing adolescent cannabis consumption following non-medical cannabis legalization in Canada

Sameer Imtiaz, Tara Elton-Marshall, Hayley Hamilton, Sergio Rueda, Jürgen Rehm

We want to emphasize that measures addressing high-risk cannabis use should be prioritized. Pertinently, comparative risk assessments have underscored that the cannabis-attributable burden of disease primarily stems from high-risk cannabis use in the…

https://www.mdpi.com/2227-9032/12/12/1174

The Association of Frequency of Worry About Financial Debt With Substance Use Among Adults in Ontario, Canada

Yeshambel Nigatu, Tara Elton-Marshall, Christine Wickens, Hayley Hamilton

Financial debt and associated stress might increase the risk of substance use problems or exacerbate existing ones. Little evidence is available…

Effects of cannabis legalisation on patterns of cannabis consumption among adolescents in Ontario, Canada (2001- 2019)

Sameer Imtiaz, Yeshambel Nigatu, Marcos Sanches, Farihah Ali, Angela Boak, Laura Douglas, Hayley Hamilton, Jürgen Rehm, Sergio Rueda, Robert Schwartz, Samantha Wells, Tara Elton-Marshall.

Cannabis legalisation was enacted on 17 October 2018 in Canada. Accordingly, the effects of cannabis legalisation on patterns of cannabis consumption were examined among adolescents…

Factors associated with stress about returning to pre-pandemic routines among Canadians

Yeshambel Nigatu, Tara Elton-Marshall, Samantha Wells, Christine Wickens, Hayley Hamilton

The COVID-19 pandemic continues to be a public health concern, with important impacts on individuals’ mental health. Many people have experienced significant changes to their daily routines due to the pandemic and for some, returning to pre-pandemic routines could create elevated stress. The present study explored factors…

Associations between Cannabis Use, Opioid Misuse and Severe Psychological Distress in Adolescents: A Cross-Sectional School-Based Study.

Hugues Sampasa-Kanyinga, Jean-Philippe Chaput, Fatima Mougharbel, & Hayley Hamilton.

Cannabis use and nonmedical use of prescription opioids are consumed by a small to moderate number of adolescents. However, little is known about their combined influence on mental health…

https://doi.org/10.1186/s12889-024-17963-7

Cannabis Legalization and Driving under the Influence of Cannabis and Driving under the Influence of Alcohol among Adult and Adolescent Drivers in Ontario, Canada (2001–2019).

Sameer Imtiaz, Yeshambel Nigatu, Farihah Ali, Branka Agic, Tara Elton-Marshall, Huan Jiang, Jürgen Rehm, Sergio Rueda…

The impacts of cannabis legalization on driving under the influence of cannabis and driving under the influence of alcohol among adults and adolescents were examined in Ontario, Canada…

2023

2022

2021

Institute for Mental Health Policy Research

Hayley Hamilton 2024

Analytics

Identifying Psychosocial and Ecological Determinants of Enthusiasm In Youth: Integrative Cross-Sectional Analysis Using Machine Learning

Roberta Dolling-Boreham, Akshay Mohan, Mohamed Abdelhack, Tara Elton-Marshall, Hayley Hamilton, Angela Boak, Daniel Felsky

Understanding the factors contributing to mental well-being in youth is a public health priority. Self-reported enthusiasm for the future may be a useful indicator of well-being and has been shown to forecast social and educational…

The Toronto Adolescent and Youth Cohort Study: Study Design and Early Data Related to Psychosis Spectrum Symptoms, Functioning, and Suicidality

Changes in modes of cannabis consumption pre- and post-legalization and their correlates among adults in Ontario, Canada: 2017–2022

Yeshambel Nigatu, Sameer Imtiaz, Tara Elton-Marshall, Sergio Rueda, Hayley Hamilton

Despite an increase in the varieties of cannabis products available for consumption, limited evidence is available about the patterns of cannabis consumption methods…

Changes in medical cannabis use in Ontario, Canada (2014 to 2019): Trajectory of trends, medical authorization patterns and association with recreational cannabis legalization

Sameer Imtiaz, Yeshambel Nigatu, Farihah Ali, Tara Elton-Marshall, Jürgen Rehm, Sergio Rueda, Hayley Hamilton

We characterized trends in medical cannabis use; examined characteristics associated with medical cannabis use without…

Priorities for addressing adolescent cannabis consumption following non-medical cannabis legalization in Canada

Sameer Imtiaz, Tara Elton-Marshall, Hayley Hamilton, Sergio Rueda, Jürgen Rehm

We want to emphasize that measures addressing high-risk cannabis use should be prioritized. Pertinently, comparative risk assessments have underscored that the cannabis-attributable burden of disease primarily stems from high-risk cannabis use in the…

The Association of Frequency of Worry About Financial Debt With Substance Use Among Adults in Ontario, Canada

Yeshambel Nigatu, Tara Elton-Marshall, Christine Wickens, Hayley Hamilton

Financial debt and associated stress might increase the risk of substance use problems or exacerbate existing ones. Little evidence is available…

Effects of cannabis legalisation on patterns of cannabis consumption among adolescents in Ontario, Canada (2001- 2019)

Sameer Imtiaz, Yeshambel Nigatu, Marcos Sanches, Farihah Ali, Angela Boak, Laura Douglas, Hayley Hamilton, Jürgen Rehm, Sergio Rueda, Robert Schwartz, Samantha Wells, Tara Elton-Marshall.

Cannabis legalisation was enacted on 17 October 2018 in Canada. Accordingly, the effects of cannabis legalisation on patterns of cannabis consumption were examined among adolescents…

Factors associated with stress about returning to pre-pandemic routines among Canadians

Yeshambel Nigatu, Tara Elton-Marshall, Samantha Wells, Christine Wickens, Hayley Hamilton

Associations between Cannabis Use, Opioid Misuse and Severe Psychological Distress in Adolescents: A Cross-Sectional School-Based Study.

Hugues Sampasa-Kanyinga, Jean-Philippe Chaput, Fatima Mougharbel, & Hayley Hamilton.

Cannabis use and nonmedical use of prescription opioids are consumed by a small to moderate number of adolescents. However, little is known about their combined influence on mental health…

Cannabis Legalization and Driving under the Influence of Cannabis and Driving under the Influence of Alcohol among Adult and Adolescent Drivers in Ontario, Canada (2001–2019).

Sameer Imtiaz, Yeshambel Nigatu, Farihah Ali, Branka Agic, Tara Elton-Marshall, Huan Jiang, Jürgen Rehm, Sergio Rueda…

The impacts of cannabis legalization on driving under the influence of cannabis and driving under the influence of alcohol among adults and adolescents were examined in Ontario, Canada…

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