Katholiki Georgiades

ORCID: 0000-0002-1413-9332
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Child and Adolescent Psychosocial and Emotional Development
  • Migration, Health and Trauma
  • Health disparities and outcomes
  • Maternal Mental Health During Pregnancy and Postpartum
  • Child Abuse and Trauma
  • Early Childhood Education and Development
  • Racial and Ethnic Identity Research
  • Child and Adolescent Health
  • Homelessness and Social Issues
  • Mental Health Treatment and Access
  • Adolescent and Pediatric Healthcare
  • Obesity, Physical Activity, Diet
  • Substance Abuse Treatment and Outcomes
  • Autism Spectrum Disorder Research
  • Child Nutrition and Feeding Issues
  • Child Development and Digital Technology
  • Family and Disability Support Research
  • Community Health and Development
  • Emergency and Acute Care Studies
  • Food Security and Health in Diverse Populations
  • Youth Substance Use and School Attendance
  • Smoking Behavior and Cessation
  • Bullying, Victimization, and Aggression
  • Impact of Technology on Adolescents
  • Urban, Neighborhood, and Segregation Studies

McMaster University
2016-2025

Impact
2018-2024

McMaster Children's Hospital
2009-2024

Centre for Addiction and Mental Health
2024

Chedoke Hospital
2021

St. Joseph’s Healthcare Hamilton
2019-2020

Health Sciences Centre
2019

Hamilton Health Sciences
2004-2013

Canadian Institutes of Health Research
2013

University of Manitoba
2012

<h3>Context</h3>Community epidemiological data on the prevalence and correlates of adolescent mental disorders are needed for policy planning purposes. Only limited this sort available.<h3>Objective</h3>To present estimates 12-month 30-day prevalence, persistence (12-month among lifetime cases cases), sociodemographic commonly occurring DSM-IV adolescents in National Comorbidity Survey Replication Adolescent Supplement.<h3>Design</h3>The Supplement is a US national survey anxiety, mood,...

10.1001/archgenpsychiatry.2011.160 article EN Archives of General Psychiatry 2011-12-06

Objectives: To present the 6-month prevalence and sociodemographic correlates of mental disorders health–related service contacts in a sample children (4 to 11 years) youth (12 17 Ontario. Methods: The 2014 Ontario Child Health Study is provincially representative survey 6537 families with aged 4 years DSM-IV-TR were assessed using Mini International Neuropsychiatric Interview for Children Adolescents (MINI-KID) included mood (major depressive episode), anxiety (generalized anxiety,...

10.1177/0706743719830024 article EN cc-by-nc The Canadian Journal of Psychiatry 2019-04-01

Data from a nationally representative sample of 13,470 children aged 4-11 years were used to study contextual influences on children's mental health and school performance, the moderating effects family immigrant status underlying processes that might explain these relationships. Despite greater socioeconomic disadvantage, living in recent families had lower levels emotional-behavioral problems higher performance. Living neighborhood characterized with concentration immigrants was associated...

10.1111/j.1467-8624.2007.01084.x article EN Child Development 2007-09-01

The goals of the study were to examine test-retest reliability, informant agreement and convergent discriminant validity nine DSM-IV-TR psychiatric disorders classified by parent youth versions Mini International Neuropsychiatric Interview for Children Adolescents (MINI-KID). Using samples drawn from general population child mental health outpatient clinics, 283 aged 9 18 years their parents separately completed MINI-KID with trained lay interviewers on two occasions 7 14 days apart....

10.1037/pas0000541 article EN Psychological Assessment 2017-12-04

Objective: To examine sex differences in the association between cyberbullying victimization and mental health (psychological distress delinquency), substance use-related outcomes (drug tobacco use, binge drinking), suicide ideation among adolescents. Method: Data were obtained from Ontario Student Drug Use Health Survey (OSDUHS; 2013, N=10,272, grade 7 to 12). The sample for analysis included 4,940 students with a mean age of 15.1 years (43.3% male). A series multi-level, binary, logistic...

10.1177/0706743718777397 article EN The Canadian Journal of Psychiatry 2018-05-21

AbstractObjective:The aims of this study were to estimate the: (1) 12-mo prevalence suicidal thoughts, plans, and attempts in a population sample adolescents young adults with without chronic illness; (2) associations among illness thoughts behaviour (STB); and, (3) moderating roles mood substance use disorder on association.Method:Individuals aged 15 30 y (n = 5,248) from the Canadian Community Health Survey-Mental Health. Twelve-month STB psychiatric measured using World Organization...

10.1177/0706743717727242 article FR The Canadian Journal of Psychiatry 2017-08-17

Problematic internet use (PIU) is an increasingly worrisome issue, as youth population studies are establishing links with internalizing and externalizing problems. There a need for better understanding of psychiatric diagnostic profiles associated this well its unique contributions to impairment. Here, we leveraged the ongoing, large-scale Child Mind Institute Healthy Brain Network, transdiagnostic self-referred, community sample children adolescents (ages 5-21), examine associations...

10.1186/s12888-020-02640-x article EN cc-by BMC Psychiatry 2020-05-26

Objectives Methodologically, to assess the feasibility of participant recruitment and retention, as well missing data in studying mental disorder among children newly diagnosed with chronic physical conditions (ie, multimorbidity). Substantively, examine prevalence multimorbidity, identify sociodemographic correlates model influence multimorbidity on changes child quality life parental psychosocial outcomes over a 6-month follow-up. Design Prospective pilot study. Setting Two children’s...

10.1136/bmjopen-2017-019011 article EN cc-by-nc BMJ Open 2018-01-01

Children and youth flourish in environments that are predictable, safe, structured. The COVID-19 pandemic has disrupted these protective factors making it difficult for children to adapt thrive. Pandemic-related school closures, family stress, trauma have led increases mental health problems some youth, an area of was already crisis well before declared a global pandemic. Because early life associated with significant impairment across family, social, academic domains, immediate measures...

10.1139/facets-2021-0078 article EN cc-by FACETS 2021-01-01

This study uses multilevel models to examine longitudinal associations between contextual influences (neighborhood and family) assessed in 1983 a cohort of 2,355 children, 4–16 years age, educational attainment 2001. Variation 2001 attributable between‐neighborhood between‐family differences was 8.17% 36.88%, respectively. The final model explained 33.64% the variance attainment, with unique variances 14.53% for neighborhood family‐level variables combined versus 10.94% child‐level...

10.1111/j.1467-8624.2007.00991.x article EN Child Development 2007-01-01

10.1097/01.chi.0000223313.25536.47 article EN Journal of the American Academy of Child & Adolescent Psychiatry 2006-07-20

Background: This study examines the longitudinal associations between adolescent tobacco and cannabis use young adult functioning. Methods: Data for analysis come from Ontario Child Health Study (OCHS), a prospective of child health, psychiatric disorder substance in general population sample that began 1983, with follow‐ups 1987 2001. The includes 1,282 individuals who were ages 12 16 years during original OCHS 1983 or first follow‐up returned 2001 follow‐up. Results: Tobacco adolescence...

10.1111/j.1469-7610.2007.01740.x article EN Journal of Child Psychology and Psychiatry 2007-03-21

Abstract The experience of child maltreatment is a known risk factor for the development psychopathology. Structural and functional modifications neural systems implicated in stress emotion regulation may provide one mechanism linking early adversity with later outcome. authors examined two well‐documented biological markers vulnerability [resting frontal electroencephalogram (EEG) asymmetry cardiac vagal tone] group adolescent females exposed to ( n = 38; M age 14.47) their age‐matched...

10.1002/dev.20387 article EN Developmental Psychobiology 2009-07-23
Coming Soon ...