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Résumé (français)

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Résumé (anglais)

Background
It is well known that Adverse Childhood Experiences (ACEs) are associated with poor health and well-being outcomes among adult samples. However, there are notable gaps in examining these relationships among youth.
Objective
The objectives were to examine: a) the prevalence of an expanded list of ACEs among adolescents, b) ACEs sex differences, c) associations between ACEs and several adolescent health and at-risk behavioural outcomes, and d) the population attributable fractions (PAFs) for three ACE groupings (i.e., child maltreatment, household challenges, and peer victimization).
Study design
Cross-sectional.
Participants and setting
Data were from the provincially-representative, cross-sectional 2014 Ontario Child Health Study (N = 6537 dwellings, response rate = 50.8%). One randomly selected child aged 14–17 years old (n = 2910) from each household was included.
Methods
The majority of measures (nine ACEs and six health and well-being outcomes) were self-reported (three household challenges ACEs and physical health were collected from parents/caregivers). Descriptive statistics estimated the prevalence of ACEs for the sample and by sex. Logistic regressions tested associations between individual ACEs and seven outcomes. Population attributable fractions (PAFs) were computed for three ACE groupings with each outcome.
Findings
ACEs prevalence ranged from 1.8% to 47.4% with several noted sex differences. Each ACE was associated with four or more studied outcomes. PAFs ranged from 3.5% to 47.8%, varying for each ACEs grouping.
Conclusion
The significant associations and estimated proportions of poor adolescent outcomes attributed to ACEs indicate that identifying approaches aimed at preventing these experiences could have a substantial impact on youth health and well-being.