When a parent's mental illness causes child injury


The risk of violence-related injuries among children with mentally-ill parents was more than twice as high as the risk for children with parents without mental illness. — 123rf.com

Parental mental illness is associated with increased risk of injuries among children up to 17 years of age, with the risks peaking during the first year of life, finds a study published by The BMJ on April 8, 2020.

It is the largest analysis of its kind to date, and shows that the risk of injury was slightly higher for children exposed to a mother’s (maternal) mental illness than to a father’s (paternal).

The risk was also higher for common mental disorders, such as depression and anxiety, compared to more serious mental conditions, such as schizophrenia and other psychotic disorders.

Previous studies have shown links between parental mental illness and the risk of injuries in offspring.

However, most studies have focused on maternal exposure, common mental disorders and younger children, or were unable to separate risks by type of injuries.

To address this knowledge gap, researchers based in Sweden and the United Kingdom set out to determine the relationship between parental mental illness and the risk of injuries among offspring.

Their findings are based on 1,542,000 children born in Sweden between 1996 and 2011 to 893,334 mothers and 873,935 fathers.

Healthcare records were used to identify maternal or paternal mental illness, including psychosis, alcohol/drug misuse, mood disorders, anxiety and stress-related disorders, eating disorders, and personality disorders.

Records were also used to identify childhood injuries, including transport injuries, falls, burns, drowning and suffocation, poisoning, and violence, at ages zero to one, two to five, six to nine, 10-12, and 13-17 years, comparing child-ren with parental mental illness and children without.

After taking account of potentially influential factors, the researchers found that children of parents with mental illness had higher rates of injuries, compared to children of parents without mental illness.

For ages zero to one, these children had an additional 2,088 injuries per 100,000 person-years. This is calculated by following 100,000 people for one year.

Falls were the most common type of injury in all age groups, peaking at ages 10 to 12, followed by burns and poisoning, which both peaked at ages zero to one year.

In contrast, rates of transport injuries and violence-related injury peaked in adolescence.

The rate of violence-related injury among children of parents with mental illness was 364 per 100,000 person-years, compared with 152 per 100,000 person-years among children of parents without mental illness.

However, children of parents with mental illness had another peak in violence-related injury during the first year of life (44 per 100,000 person-years).

Possible explanations for these findings are likely to be complex, say the authors, but they suggest that some parents with mental illness may find it harder to be vigilant or supervise children sufficiently, during the first years of life.

This is an observational study, so can’t establish cause, and while the authors adjusted for a range of individual level socioeconomic factors, they acknowledge that these are unlikely to be an entirely accurate reflection of those families’ environments.

However, they say their results show that parental mental illness is a risk factor for injuries among offspring, particularly during the first years of the child’s life, and the risk is slightly higher for common mental disorders, compared to more serious conditions.

“Efforts to increase access to parental support for mentally ill parents, as well as to recognise and treat perinatal mental morbidity in parents might prevent child injury,” they conclude.

“This study adds timely weight to what we already know about the need for person-centred and early interventions in mental health,” says Antonis Kousoulis from the UK Mental Health Foundation in a linked editorial.

“If we are to implement measures and care that are more likely to be successful in these families, we need greater understanding and action at many levels.”

To achieve sustainable change, “we need to place the lived experience of citizens at the core of research, decisions and interventions in mental health across sectors, disciplines, and countries,” he adds.

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Child abuse , mental health , parenting


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