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Maternal, prenatal and postnatal risk factors for early child physical abuse: a French nationwide cohort study
Flora Blangis1,2,3,4, Jérôme Drouin1, Elise Launay2,3,5
1EPI-PHARE Scientific Interest Group, French National Agency for Medicines and Health Products Safety (ANSM), French National Health Insurance (CNAM), F-93200, Saint-Denis, France.
Insights
Maternal factors like young age, low financial resources, and substance use disorders significantly increase the risk of early child physical abuse (CPA). Identifying these risk factors is key for developing targeted prevention programs.
Area of Science:
- Pediatrics
- Public Health
- Epidemiology
Background:
- Child physical abuse (CPA) poses a significant public health challenge, necessitating research into its underlying risk factors.
- Understanding the maternal, prenatal, and postnatal factors associated with early CPA is crucial for developing effective interventions.
Purpose of the Study:
- To identify maternal, prenatal, and postnatal factors associated with early child physical abuse (CPA).
- To inform the development of targeted prevention strategies and risk-stratification tools for CPA.
Main Methods:
- A nationwide cohort study utilizing the Mother-Child EPI-MERES register in France (2010-2019).
- Inclusion of all live-born infants, with analysis of factors associated with CPA before age one using a multilevel Cox regression model.
Main Results:
- Nearly 3,000 infants (40/100,000) were diagnosed with early CPA.
- Strongest independent risk factors included maternal age under 20, low financial resources, substance use disorders (alcohol, opioids), intimate partner violence, maternal mental/somatic disorders, very preterm birth, and infant neurocognitive disorders.
Conclusions:
- Identified risk factors for early CPA in France can enhance understanding of its mechanisms.
- Findings support the development of prevention programs and risk-stratification tools to optimize parenting interventions for at-risk families.
Background:
Identifying risk factors for early child physical abuse (CPA) is crucial for understanding its mechanisms and defining effective preventive interventions. We aimed to identify maternal, prenatal and postnatal factors associated with early CPA.
Methods:
This cohort study was based on comprehensive data from the Mother-Child EPI-MERES nationwide register and included all infants born alive in France between 2010 and 2019. Factors associated with early CPA (before age 1) were identified with a multilevel Cox regression model with random intercepts at the regional level.
Findings:
Among the 6,897,384 included infants, 2994 (40/100,000) had a diagnosis of early CPA, at a median age of 4 months. Independent factors most strongly associated with early CPA were maternal low financial resources (adjusted hazard ratio [aHR] 1.91; 95% confidence interval [95% CI] 1.67-2.18), maternal age <20 years versus 35-40 years (aHR 7.06; 95% CI 6.00-8.31), maternal alcohol use disorder (aHR 1.85; 95% CI 1.48-2.31), opioid use disorder (aHR 1.90; 95% CI 1.41-2.56), intimate partner violence (aHR 3.33; 95% CI 2.76-4.01), diagnosis of a chronic mental disorder (aHR 1.50; 95% CI 1.14-1.97) or somatic disorder (aHR 1.55; 95% CI 1.32-1.83), hospitalisation for a mental disorder (aHR 1.88; 95% CI 1.49-2.36), very preterm birth (aHR 2.15; 95% CI 1.68-2.75), and diagnosis of a chronic severe neurocognitive disorder in the infant (aHR 14.37; 95% CI 11.85-17.44).
Interpretation:
Independent risk factors of early CPA identified at the national level in France may help in understanding CPA mechanisms and developing effective prevention programs including risk-stratification tools to optimise the allocation of parenting interventions to parents who could most benefit from them.
Funding:
Ile-de-France regional council, L'Oréal-UNESCO For Women In Science France Young Talent Award, French National Observatory for Child Protection [ONPE], French Association of Ambulatory Paediatrics [AFPA], HUGO university hospitals network, Mustela Foundation and Sauver la Vie prizes.
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