Conflict between divorced or separated parents increases the risk of children developing physical and mental health problems


Conflict between divorced or separated parents increases the risk of children developing physical and mental health problems.

A new study from the Arizona State University Research and Education Advancing Children’s Health (REACH) Institute has found that children experience fear of being abandoned when their divorced or separated parents engage in conflict.

Worrying about being abandoned predicted future mental health problems in children. The work will be published in Child Development on January 12.

“Conflict is a salient stressor for kids, and the link between exposure to interparental conflict and mental health problems in children is well established across all family types – married, cohabitating, separated and divorced,” said Karey O’Hara, a research assistant professor of psychology at ASU and first author on the paper.

“Conflict between divorced or separated parents predicted children experiencing fear that they would be abandoned by one or both parents. This feeling was associated with future mental health problems, especially for those who had strong relationships with their fathers.”

Based on studies including children from families with married or cohabitating parents, the researchers knew that children view interparental conflict as a threat, often wondering if their parents will get divorced.

To understand how children with divorced or separated parents interpreted interparental conflict, the researchers surveyed families participating in the New Beginnings Program, asking 559 children (aged 9-18 years) about their exposure to conflict.

The questions included topics like whether their parents fought in front of them, spoke poorly of the other parent or asked children to carry messages. Children exposed to interparental conflict were more likely to report worrying about being abandoned by one or both of their parents.

“When parents who are married or cohabitating engage in conflict, the child might worry about their parents separating,” O’Hara said. “But children whose parents are divorced or separated have already seen the dissolution of their family. The idea that they might be abandoned might be unlikely, but it is not illogical from their perspective.”

The fear of abandonment was persistent: Exposure to parental conflict predicted fear of abandonment three months later. And, worrying about abandonment predicted mental health problems, as reported by the children themselves and their teachers, 10 months later.

Because quality parent-child relationships are known to buffer children against stress, the researchers expected children who had strong relationships with a parent to experience less fear of abandonment and mental health problems. But the team did not find a general buffering effect of parenting.

“A strong father-child relationship came at a cost when interparental conflict was high,” O’Hara said. “Having a high quality parenting relationship is protective, but it is possible that quality parenting alone is not enough in the context of high levels of interparental conflict between divorced parents.”

An increasing number of children across the world experience family instability due to divorce/separation and the consequences of non‐marital childbearing/cohabitation1.

Alternatives to stable marriage are most common in Western countries (including Australia and New Zealand) and less common but growing in industrializing Asia. Cohabitation, which is more unstable than marriage, is especially common in Northern and Western Europe, necessarily lowering rates of divorce but not of single‐parent households.

The US has been a “leader” in family change with an early (rising in the late 1960s) and high increase in divorce, followed by an explosion in non‐marital birth with or without cohabitation. Divorce increased in most other Western nations a decade or two later; industrializing Asia appears to be in the midst of change. Today, only about 60% of US children live with their married, biological parents, a low second only to Latvia.

Some call family instability a major public health problem for children; others see divorce/separation as relatively innocuous, even a positive change, especially for women in unhappy marriages or children exposed to high conflict.

Research has documented that parental divorce/separation is associated with an increased risk for child and adolescent adjustment problems, including academic difficulties (e.g., lower grades and school dropout), disruptive behaviors (e.g., conduct and substance use problems), and depressed mood2.

Offspring of divorced/separated parents are also more likely to engage in risky sexual behavior, live in poverty, and experience their own family instability. Risk typically increases by a factor between 1.5 and 2.

Still, most children whose parents divorce are resilient and exhibit no obvious psychological problems. It is important to recognize, however, that even resilient young people from divorced families often report painful feelings or encounters, such as worrying about events like graduations or weddings when both parents will be present3.

Many associated risk factors – for example, lower income and parent conflict – are linked with non‐random selection into family stability and/or are consequences of family break‐up. To help rule out potential confounds, researchers have used a variety of methods, including measuring covariates and employing designs, such as children‐of‐twin studies, that account for unmeasured environmental and genetic factors that could influence both generations2, 4. Controls for such confounds reduce but do not eliminate the risk tied to parental divorce, consistent with causal inference.

A wealth of research also points to factors mediating the association, including less effective parenting, interparental conflict, economic struggles, and limited contact with one parent, typically the father (listed in decreasing order of the magnitude of their relation with children’s mental health)5. Marital instability presents not a single risk factor, but a cascade of sequelae for children.

Individual, family, ethnic and cultural factors moderate the risks associated with changes in children’s family life, underscoring the importance of recognizing family diversity. In the US, for example, parental separation is associated with more socioemotional problems among white children than black or Hispanic children2. Acceptance of alternatives to marriage and extended family support contribute to such ethnic variation.

Understanding family change and its consequences is critical to health care professionals across numerous settings. Physicians treating children may observe warning signs, be asked to help children cope with family transitions, or face parental disputes about a child’s well‐being or needed treatment. Schools encounter similar opportunities and difficulties.

Children and adult offspring of separated parents are over‐represented in the mental health system. Most mental health interventions target the known mediators of risk, such as parenting problems or family conflict. Structured interventions offering parenting support and education have been shown to reduce children’s psychological problems6. Unfortunately, few mental health interventions for divorcing families have been carefully studied.

Separation/divorce also raises legal concerns bearing on the well‐being and custody of children. The “best interests of children” is the prevailing custody standard, and “best” typically is interpreted in psychological terms (as opposed to, for example, economic ones). Mental health professionals and others may become involved, willingly or unwillingly, as expert witnesses in custody contests. Alternatively, some professionals promote or offer alternative dispute resolution, such as mediation.

Mediators are neutral third parties who help parents living apart to resolve disputes themselves. In addition to dispute settlement, mediation potentially benefits children by lowering conflict, improving parenting, and encouraging both parents to remain an active presence in their children’s lives. One randomized trial with a 12‐year follow‐up demonstrated that mediation produced all of these outcomes relative to litigation5, 7. Another randomized study found that carefully involving children in the process improved the success of mediation7.

While initial results are promising, mediation and many other legal and mental health interventions demand rigorous study, as well‐intentioned services may have no effect or may even be harmful for some individuals, while wasting limited resources8.

Mental health professionals also can play a critical role in advising parents, and perhaps in the development of law and policy. One controversial issue is how strongly, and under what circumstances, to promote joint physical custody, sharing 25‐50% parenting time9.

Joint legal custody, which involves legally sharing important decisions, including elective medical care, is becoming ubiquitous. It has increased in the US and in many Western countries, but still typically comprises a minority of separated families (from 15 to 50% across countries)9. Fathers groups are currently advocating for a universal 50/50 shared time presumption.

While such agreements may benefit numerous families, many experts, including ourselves, worry that such a presumption may offer the “right” solution for the wrong group of parents: the 10% or fewer who contest custody in court5.

Other concerns we share include avoiding extensive time away from attachment figures among very young children, avoiding placing excessive travel demands on children in order to share parenting time across long distances, whether shared time needs to be precisely 50/50, and if some child mental health problems (e.g., autism spectrum) or personality (e.g., high conscientiousness) make shared custody less likely to work5.

There is, therefore, a critical need for studies on interventions, including policy changes, that consider the risks, role of resiliency, and heterogeneity in the consequences associated with family instability.


More information: Karey L. O’Hara et al. Longitudinal Effects of PostDivorce Interparental Conflict on Children’s Mental Health Problems Through Fear of Abandonment: Does Parenting Quality Play a Buffering Role? Child Development. First published: 12 January 2021 ttps://


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