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Nicholas Chadi

Biographic Data

ID4076069
NAMENicholas Chadi
GIVEN NAMESNicholas
FAMILY NAMEChadi
SIGNATURECHADI N
AFFILIATIONSCentre Hospitalier Universitaire Sainte-Justine
ORCID0000-0003-1033-2327
VERIFIEDYes
TOTAL WORKS19
TOTAL CITATIONS3
AUTHOR COUNT19
EDITOR COUNT0
FIRST PUBLICATION YEAR2018
LATEST PUBLICATION YEAR2026
H-INDEX1
  • The health effects of vaping and e-cigarettes

    Open Access•Erika Kouzoukas, Carolina Navas et al.•ARTICLE•International Journal of Drug…•2026

    Guidance has been informed by best available evidence and expertise, providing direction to support decision-making. The use of established methods to evaluate divergent published literature combined with consensus-building methods among a range of stakeholders on vaping is possible. As higher quality evidence continues to emerge, recommendations will require iterative refinement

  • Beyond struggle

    Open Access•Kira London-Nadeau, Connor Lafortune et al.•ARTICLE•International Journal of Drug…•2025

    Our analysis illustrates many ways in which cannabis use (and non-use) features in QT youth's efforts to survive and thrive. As a result, we encourage loved ones, clinicians, researchers and policy makers to adopt a view of QT cannabis use that is expansive and inclusive of QT youth's strengths

  • Scapegoated communities, shared struggles

    Open Access•Kira London-Nadeau, Christian Barborini et al.•ARTICLE•International Journal of Drug…•2025

  • Mental health of Canadian youth

    Open Access•Marie-Claude Geoffroy, Nicholas Chadi et al.•ARTICLE•Canadian Journal of Public Health•2024

  • Climate Change and Substance-Use Behaviors

    Open Access•Francis Vergunst, Helen L Berry et al.•ARTICLE•Perspectives on Psychological…•2023

    Climate change is undermining the mental and physical health of global populations, but the question of how it is affecting substance-use behaviors has not been systematically examined. In this narrative synthesis, we find that climate change could increase harmful substance use worldwide through at least five pathways: psychosocial stress arising from the destabilization of social, environmental, economic, and geopolitical support systems; incre…

  • Shifting age of child eating disorder hospitalizations during the Covid‐19 pandemic

    Open Access•Nathalie Auger, Howard Steiger et al.•ARTICLE•Journal of Child Psychology and…•2023

    BACKGROUND: We studied the effect of the Covid-19 pandemic on child eating disorder hospitalizations in Quebec, Canada. Quebec had one of the strictest lockdown measures targeting young people in North America. METHODS: We analyzed eating disorder hospitalizations in children aged 10-19 years before and during the pandemic. We used interrupted time series regression to assess trends in the monthly number of hospitalizations for anorexia nervosa, …

  • Protocol for the Open Sky School

    Open Access•Tianna Loose, Sylvana M Côté et al.•ARTICLE•BMC Public Health•2023

    This study was registered with clinicaltrials.gov: NCT05662436 on December 22, 2022

  • Depression, anxiety, and suicidal ideation in a population-based cohort of young adults before and during the first 12 months of the Covid-19 pandemic in Canada

    Open Access•Jean‐philippe Gouin, Sasha Macneil et al.•ARTICLE•Canadian Journal of Public Health•2023•References: 28

  • Abus et violence vécus par les jeunes trans et non binaires au Québec

    Open Access•Naomie-Jade Ladry, Annie Pullen Sansfaçon et al.•ARTICLE•Criminologie•2023•References: 33

    Les jeunes s’identifiant comme étant des personnes trans ou non binaires (TNB) sont exposé·e·s au risque de vivre différentes formes de discrimination, d’abus et de violence de la part des membres de leur famille ou de leur entourage. Cet article a pour but de : 1) faire un portrait des jeunes TNB ayant vécu un ou des types d’abus ; 2) cerner le contexte particulier de cette violence et de ses répercussions sur le bien-être des jeunes TNB. Les do…

  • Applied Mindfulness for Physician Wellbeing

    Open Access•M Hernandez, Elli Weisbaum et al.•ARTICLE•Frontiers in Public Health•2022

    Our innovative approach provides a new framework to further understand the mechanisms by which mindfulness interventions can impact physician wellbeing, and by extension their patients, colleagues, and broader healthcare systems. Through a clear articulation of the rigorous application of accepted procedures and standards used in our protocol, this paper seeks to provide a roadmap for other researchers who wish to develop further studies in this …

  • School Factors Strongly Impact Transgender and Non-Binary Youths’ Well-Being

    Open Access•Janie Kelley, Annie Pullen Sansfaçon et al.•ARTICLE•Children•2022

    Our results highlight the important influence of school climate and culture, as well as teachers', school personnel's and peers' behaviours and attitudes on TNB youths' well-being. Our findings can guide future interventions to help schools become more inclusive and supportive of gender diversity

  • Understanding and attenuating pandemic-related disruptions

    Open Access•Sylvana M Côté, Marie-Claude Geoffroy et al.•ARTICLE•Canadian Journal of Public Health•2022•References: 21

    The Secretary General of the United Nations described the impact of COVID-19-related school closures as a "generational catastrophe." What will be the legacy of the 2020-2021 pandemic-related disruptions in 5, 10, 20 years from now, as regards education and well-being of children and youth? Addressing the disproportionate impact on those growing up in socio-economically disadvantaged areas or on those with pre-existing learning challenges is key …

  • Pathways of association between disordered eating in adolescence and mental health outcomes in young adulthood during the Covid-19 pandemic

    Open Access•Tianna Loose, Marie-Claude Geoffroy et al.•ARTICLE•Canadian Journal of Public Health•2022•References: 44

  • Covid-19 and the impacts on youth mental health

    Open Access•Nicholas Chadi, Natalie Castellanos Ryan et al.•ARTICLE•Canadian Journal of Public Health•2022•Cited by: 3•References: 54

  • Adverse School Outcomes and Risky Sexual Health Behaviors among High School Students with E-Cigarette and Marijuana Use

    Nicholas Chadi, Guilin Li et al.•ARTICLE•Substance Use & Misuse•2021

    Background While several health risks of e-cigarette and marijuana use have been described, little is known about their associations with school-related outcomes and risky sexual behaviors in adolescents. Objectives: To determine the odds of adverse school outcomes and risky sexual behaviors among youth with single or dual use of e-cigarettes and marijuana. Methods: We used data from the 2015 and 2017 waves of the Youth Risk Behavior Survey, a na…

  • Student Experience of School Screening, Brief Intervention, and Referral to Treatment

    Open Access•Nicholas Chadi, Sharon Levy et al.•ARTICLE•Journal of School Health•2020

    BACKGROUND: Screening, Brief Intervention and Referral to Treatment (SBIRT) is a clinical guideline that can help delay, prevent or reduce substance use behaviors in youth. We aimed to describe the experiences of middle and high school (MS and HS) students attending a school with an SBIRT program. METHODS: This was a survey study conducted in 2 school districts that implemented SBIRT programs prior to statewide roll-out of mandatory school SBIRT …

  • Risk Perception of Covid-19 Infection and Adherence to Preventive Measures among Adolescents and Young Adults

    Open Access•Xin Yang, Xin Yu Yang et al.•ARTICLE•Children•2020

    To explore factors influencing adolescents and young adults' (AYAs) risk perception of COVID-19 and adherence to public health measures, we conducted a cross-sectional online survey of AYAs (14-22 years old) from Quebec (Canada) recruited through school and community partners in April 2020 during the first wave of the COVID-19 pandemic. The study included 3037 participants (mean age = 17.7 years, 74.6% female). AYAs had higher mean (standard devi…

  • Parental Optimism and Perceived Control over Children’s Initiation of Tobacco, Cannabis, and Opioid Use

    Open Access•Nicholas Chadi, Jonathan P Winickoff et al.•ARTICLE•International Journal of…•2020

    Families play an important role in helping teenagers avoid using tobacco, cannabis, and opioids, but some parents may underestimate the risk of their children using those substances. This study aimed to determine parents' perceived likelihood of their child initiating tobacco, cannabis, and opioid use, as well as the control they have in preventing their child from using those substances. We surveyed 427 parents of children aged 0-18 years old us…

  • Can the Mindful Awareness and Resilience Skills for Adolescents (Mars-A) Program Be Provided Online? Voices from the Youth

    Open Access•Nicholas Chadi, Elli Weisbaum et al.•ARTICLE•Children•2018

    Mindfulness-based interventions (MBIs) have been shown to improve health and well-being in adolescents with chronic illnesses. Because they are most often delivered in person in a group setting, there are several barriers that limit access to MBIs for youth with limited mobility or who cannot access in-person MBIs in their communities. The objective of this study was to determine if eHealth is a viable platform to increase accessibility to MBIs f…

  • Covid-19 and the impacts on youth mental health

    Open Access•Nicholas Chadi, Natalie Castellanos Ryan et al.•ARTICLE•Canadian Journal of Public Health•2022•Cited by: 3•References: 54

  • Can the Mindful Awareness and Resilience Skills for Adolescents (Mars-A) Program Be Provided Online? Voices from the Youth

    Open Access•Nicholas Chadi, Elli Weisbaum et al.•ARTICLE•Children•2018

    Mindfulness-based interventions (MBIs) have been shown to improve health and well-being in adolescents with chronic illnesses. Because they are most often delivered in person in a group setting, there are several barriers that limit access to MBIs for youth with limited mobility or who cannot access in-person MBIs in their communities. The objective of this study was to determine if eHealth is a viable platform to increase accessibility to MBIs f…

  • Student Experience of School Screening, Brief Intervention, and Referral to Treatment

    Open Access•Nicholas Chadi, Sharon Levy et al.•ARTICLE•Journal of School Health•2020

    BACKGROUND: Screening, Brief Intervention and Referral to Treatment (SBIRT) is a clinical guideline that can help delay, prevent or reduce substance use behaviors in youth. We aimed to describe the experiences of middle and high school (MS and HS) students attending a school with an SBIRT program. METHODS: This was a survey study conducted in 2 school districts that implemented SBIRT programs prior to statewide roll-out of mandatory school SBIRT …

  • Risk Perception of Covid-19 Infection and Adherence to Preventive Measures among Adolescents and Young Adults

    Open Access•Xin Yang, Xin Yu Yang et al.•ARTICLE•Children•2020

    To explore factors influencing adolescents and young adults' (AYAs) risk perception of COVID-19 and adherence to public health measures, we conducted a cross-sectional online survey of AYAs (14-22 years old) from Quebec (Canada) recruited through school and community partners in April 2020 during the first wave of the COVID-19 pandemic. The study included 3037 participants (mean age = 17.7 years, 74.6% female). AYAs had higher mean (standard devi…

  • Parental Optimism and Perceived Control over Children’s Initiation of Tobacco, Cannabis, and Opioid Use

    Open Access•Nicholas Chadi, Jonathan P Winickoff et al.•ARTICLE•International Journal of…•2020

    Families play an important role in helping teenagers avoid using tobacco, cannabis, and opioids, but some parents may underestimate the risk of their children using those substances. This study aimed to determine parents' perceived likelihood of their child initiating tobacco, cannabis, and opioid use, as well as the control they have in preventing their child from using those substances. We surveyed 427 parents of children aged 0-18 years old us…

  • Adverse School Outcomes and Risky Sexual Health Behaviors among High School Students with E-Cigarette and Marijuana Use

    Nicholas Chadi, Guilin Li et al.•ARTICLE•Substance Use & Misuse•2021

    Background While several health risks of e-cigarette and marijuana use have been described, little is known about their associations with school-related outcomes and risky sexual behaviors in adolescents. Objectives: To determine the odds of adverse school outcomes and risky sexual behaviors among youth with single or dual use of e-cigarettes and marijuana. Methods: We used data from the 2015 and 2017 waves of the Youth Risk Behavior Survey, a na…

  • Applied Mindfulness for Physician Wellbeing

    Open Access•M Hernandez, Elli Weisbaum et al.•ARTICLE•Frontiers in Public Health•2022

    Our innovative approach provides a new framework to further understand the mechanisms by which mindfulness interventions can impact physician wellbeing, and by extension their patients, colleagues, and broader healthcare systems. Through a clear articulation of the rigorous application of accepted procedures and standards used in our protocol, this paper seeks to provide a roadmap for other researchers who wish to develop further studies in this …

  • School Factors Strongly Impact Transgender and Non-Binary Youths’ Well-Being

    Open Access•Janie Kelley, Annie Pullen Sansfaçon et al.•ARTICLE•Children•2022

    Our results highlight the important influence of school climate and culture, as well as teachers', school personnel's and peers' behaviours and attitudes on TNB youths' well-being. Our findings can guide future interventions to help schools become more inclusive and supportive of gender diversity

  • Understanding and attenuating pandemic-related disruptions

    Open Access•Sylvana M Côté, Marie-Claude Geoffroy et al.•ARTICLE•Canadian Journal of Public Health•2022•References: 21

    The Secretary General of the United Nations described the impact of COVID-19-related school closures as a "generational catastrophe." What will be the legacy of the 2020-2021 pandemic-related disruptions in 5, 10, 20 years from now, as regards education and well-being of children and youth? Addressing the disproportionate impact on those growing up in socio-economically disadvantaged areas or on those with pre-existing learning challenges is key …

  • Pathways of association between disordered eating in adolescence and mental health outcomes in young adulthood during the Covid-19 pandemic

    Open Access•Tianna Loose, Marie-Claude Geoffroy et al.•ARTICLE•Canadian Journal of Public Health•2022•References: 44

  • Covid-19 and the impacts on youth mental health

    Open Access•Nicholas Chadi, Natalie Castellanos Ryan et al.•ARTICLE•Canadian Journal of Public Health•2022•Cited by: 3•References: 54

  • Climate Change and Substance-Use Behaviors

    Open Access•Francis Vergunst, Helen L Berry et al.•ARTICLE•Perspectives on Psychological…•2023

    Climate change is undermining the mental and physical health of global populations, but the question of how it is affecting substance-use behaviors has not been systematically examined. In this narrative synthesis, we find that climate change could increase harmful substance use worldwide through at least five pathways: psychosocial stress arising from the destabilization of social, environmental, economic, and geopolitical support systems; incre…

  • Shifting age of child eating disorder hospitalizations during the Covid‐19 pandemic

    Open Access•Nathalie Auger, Howard Steiger et al.•ARTICLE•Journal of Child Psychology and…•2023

    BACKGROUND: We studied the effect of the Covid-19 pandemic on child eating disorder hospitalizations in Quebec, Canada. Quebec had one of the strictest lockdown measures targeting young people in North America. METHODS: We analyzed eating disorder hospitalizations in children aged 10-19 years before and during the pandemic. We used interrupted time series regression to assess trends in the monthly number of hospitalizations for anorexia nervosa, …

  • Protocol for the Open Sky School

    Open Access•Tianna Loose, Sylvana M Côté et al.•ARTICLE•BMC Public Health•2023

    This study was registered with clinicaltrials.gov: NCT05662436 on December 22, 2022

  • Depression, anxiety, and suicidal ideation in a population-based cohort of young adults before and during the first 12 months of the Covid-19 pandemic in Canada

    Open Access•Jean‐philippe Gouin, Sasha Macneil et al.•ARTICLE•Canadian Journal of Public Health•2023•References: 28

  • Abus et violence vécus par les jeunes trans et non binaires au Québec

    Open Access•Naomie-Jade Ladry, Annie Pullen Sansfaçon et al.•ARTICLE•Criminologie•2023•References: 33

    Les jeunes s’identifiant comme étant des personnes trans ou non binaires (TNB) sont exposé·e·s au risque de vivre différentes formes de discrimination, d’abus et de violence de la part des membres de leur famille ou de leur entourage. Cet article a pour but de : 1) faire un portrait des jeunes TNB ayant vécu un ou des types d’abus ; 2) cerner le contexte particulier de cette violence et de ses répercussions sur le bien-être des jeunes TNB. Les do…

  • Mental health of Canadian youth

    Open Access•Marie-Claude Geoffroy, Nicholas Chadi et al.•ARTICLE•Canadian Journal of Public Health•2024

  • Beyond struggle

    Open Access•Kira London-Nadeau, Connor Lafortune et al.•ARTICLE•International Journal of Drug…•2025

    Our analysis illustrates many ways in which cannabis use (and non-use) features in QT youth's efforts to survive and thrive. As a result, we encourage loved ones, clinicians, researchers and policy makers to adopt a view of QT cannabis use that is expansive and inclusive of QT youth's strengths

  • Scapegoated communities, shared struggles

    Open Access•Kira London-Nadeau, Christian Barborini et al.•ARTICLE•International Journal of Drug…•2025

  • The health effects of vaping and e-cigarettes

    Open Access•Erika Kouzoukas, Carolina Navas et al.•ARTICLE•International Journal of Drug…•2026

    Guidance has been informed by best available evidence and expertise, providing direction to support decision-making. The use of established methods to evaluate divergent published literature combined with consensus-building methods among a range of stakeholders on vaping is possible. As higher quality evidence continues to emerge, recommendations will require iterative refinement

Psychology (13 works) · Psychiatry (12 works) · Medicine (10 works) · COVID-19 and Mental Health (6 works) · Environmental health (6 works) · Mental health (6 works) · Pandemic (6 works) · Clinical Psychology (5 works) · Coronavirus disease 2019 (COVID-19 (5 works) · Internal Medicine (5 works)

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