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Adverse Childhood Experiences and Risk of Subsequently Engaging in Self-Harm and Violence towards Other People-"Dual Harm".

Abstract：

:The etiology of "dual harm" (the co-occurrence of self-harm and externalized violence in the same individual) is under-researched. Risk factors have mostly been investigated for each behavior separately. We aimed to examine adversities experienced between birth and age 15 years among adolescents and young adults with histories of self-harm and violent criminality, with a specific focus on dual harm. Three nested case-control studies were delineated using national interlinked Danish registers; 58,409 cases in total aged 15-35 were identified: 28,956 with a history of violent criminality (but not self-harm), 25,826 with a history of self-harm (but not violent criminality), and 3987 with dual-harm history. Each case was matched by date of birth and gender to 20 controls who had not engaged in either behavior. We estimated exposure prevalence for cases versus controls for each of the three behavior groups, and incidence rate ratios (IRRs). Experiencing five or more childhood adversities was more prevalent among individuals with dual-harm history (19.3%; 95% CI 18.0, 20.8%) versus self-harm (10.9%; 10.5, 11.3%) and violence (11.4%; 11.0%, 11.8%) histories. The highest IRRs for dual harm were linked with parental unemployment (5.15; 95% CI 4.71, 5.64), parental hospitalization following self-harm (4.91; 4.40, 5.48) or assault (5.90; 5.07, 6.86), and parental violent criminality (6.11; 5.57, 6.70). Growing up in environments that are characterized by poverty, violence, and substance misuse, and experiencing multiple adversities in childhood, appear to be especially strongly linked with elevated dual-harm risk. These novel findings indicate potential etiologic pathways to dual harm.

journal_name

Int J Environ Res Public Health

journal_title

International journal of environmental research and public health

authors

Carr MJ,Steeg S,Mok PLH,Pedersen CB,Antonsen S,Kapur N,Webb RT

doi

10.3390/ijerph17249409

subject

Has Abstract

pub_date

2020-12-15 00:00:00

issue

eissn

1661-7827

issn

1660-4601

pii

ijerph17249409

journal_volume

pub_type

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Adverse Childhood Experiences and Risk of Subsequently Engaging in Self-Harm and Violence towards Other People-"Dual Harm".