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Anxiety detection and treatment in early childhood can lower risk for long-term mental health issues – an expert panel now recommends screening starting at age 8

THE U.S. Preventive Services Task Force, an independent panel of experts in primary care and prevention, issued a final recommendation on Oct. 11, 2022, published in the journal JAMA, stating that all children and adolescents between the ages of 8 and 18 should be screened for anxiety, regardless of whether they have symptoms. The recommendation follows a systematic review that evaluated the potential harms and benefits of screening.

The Conversation asked Elana Bernstein, a school psychologist who researches child and adolescent anxiety, to explain the task force’s recommendations and what they might mean for kids, parents and providers.

ELANA BERNSTEIN, Assistant Professor of School Psychology, University of Dayton

1. Why is the task force recommending young kids be screened?

Nearly 80% of chronic mental health conditions emerge in childhood, and when help is eventually sought, it is often years after the problem’s onset. In general, recommendations to screen for mental health disorders are based on research demonstrating that youths do not typically seek help independently and that parents and teachers are not always skilled at correctly identifying problems or knowing how to respond.

Anxiety is the most common mental health problem affecting children and adolescents. Epidemiological studies indicate that 7.1% of children are diagnosed with anxiety disorders. However, studies also estimate that upwards of 10% to 21% of children and adolescents struggle with an anxiety disorder and as many as 30% of children experience moderate anxiety that interferes with their daily functioning at some time in their life.

This tells us that many kids experience anxiety at a level that interferes with their daily functioning, even if they are never formally diagnosed. Additionally, there is a well-established evidence base for treating childhood anxiety.

The task force evaluated the best available research and concluded that, while there are gaps in the evidence base, the benefits of screening are clear. Untreated anxiety disorders in children result in added burdens to the public health system. So from a cost-benefit perspective, the cost-effectiveness of screening for anxiety and providing preventive treatment is favourable, while, as the task force pointed out, the harms are negligible.

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The task force’s recommendation to screen kids as young as age 8 is driven by the research literature. Anxiety disorders are most likely to first show up during the elementary school years. And the typical age of onset for anxiety is among the earliest of all childhood mental health diagnoses. The panel also pointed to a lack of accurate screening instruments available to detect anxiety among younger children; as a result, it concluded that there is not sufficient evidence to recommend screening children aged 7 or younger.

Anxiety disorders can persist into adulthood, particularly those disorders with early onset and those that are left untreated. Individuals who experience anxiety in childhood are more likely to deal with it in adulthood, too, along with other mental health disorders like depression and an overall diminished quality of life. The task force considered these long-term impacts in making its recommendations, noting that screening in children as young as 8 may alleviate a preventable burden for families.

The US task force’s recommendations include screening for all children beginning at age 8, regardless of whether they show symptoms of anxiety.

2. How can care providers identify anxiety in young kids?

In general, it is easier to accurately identify anxiety when the child’s symptoms are behavioural in nature, such as refusing to go to school or avoiding social situations. While the task force recommended that screening take place in primary care settings – such as a paediatrician’s office – the research literature also supports in-school screening for mental health problems, including anxiety.

Fortunately, in the past three decades, considerable advances have been made in mental health screening tools, including for anxiety. The evidence-based strategies for identifying anxiety in children and adolescents are centred on collecting observations from multiple perspectives, including the child, parent and teacher, to provide a complete picture of the child’s functioning in school, at home and in the community.

Anxiety is what’s called an internalizing trait, meaning that the symptoms may not be observable to those around the person. This makes accurate identification more challenging, though certainly possible. Therefore, psychologists recommend including the child in the screening process to the degree possible based on age and development.

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Among the youths who are actually treated for mental health problems, nearly two-thirds receive those services at school, making school-based screening a logical practice.

3. How would the screening be carried out?

Universal screening for all children, including those with no symptoms or diagnoses, is a preventive approach to identifying youths who are at risk. This includes those who may need further diagnostic evaluation or those who would benefit from early intervention.

In both cases, the aim is to reduce symptoms and prevent lifelong chronic mental health problems. But it is important to note that screening does not equate to a diagnosis, something that the task force highlighted in its recommendation statement.

Diagnostic assessment is more in-depth and costs more, while screening is intended to be brief, efficient and cost-effective. Screening for anxiety in a primary-care setting may involve the completion of short questionnaires by the child and/or parent, similar to how paediatrician’s frequently screen kids for attention-deficit/hyperactivity disorder or ADHD.

The task force did not recommend a single method or tool, nor a particular time interval, for screening. Instead, care providers were advised to consider the evidence in the task force’s recommendation and apply it to the particular child or situation. The task force did point to multiple available screening tools such as the Screen for Child Anxiety Related Emotional Disorders and the Patient Health Questionnaire Screeners for generalized anxiety disorder, which accurately identifies anxiety. These assess general emotional and behavioural health, including questions specific to anxiety. Both are available at no cost.

A discussion of the differences between normal worry and anxiety.

4. What are care providers looking for when screening for anxiety?

A child’s symptoms can vary depending on the type of anxiety they have. For instance, social anxiety disorder involves fear and anxiety in social situations, while specific phobias involve fear of a particular stimulus, such as vomiting or thunderstorms. However, many anxiety disorders share symptoms, and children typically do not fit neatly into one category.

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But psychologists typically observe some common patterns when it comes to anxiety. These include negative self-talk such as “I’m going to fail my math test” or “Everyone will laugh at me,” and emotion regulation difficulties, like increased tantrums, anger or sensitivity to criticism. Other typical patterns include behavioural avoidance, such as reluctance or refusal to participate in activities or interact with others.

Anxiety can also show up as physical symptoms that lack a root physiological cause. For example, a child may complain of stomachaches or headaches or general malaise. In fact, studies suggest that spotting youths with anxiety in pediatric settings may simply occur through the identification of children with medically unexplained physical symptoms.

The distinction we are aiming for in screening is identifying the magnitude of symptoms and their impact. In other words, how much do the symptoms interfere with the child’s daily functioning? Some anxiety is normal and, in fact, necessary and helpful.

5. What are the recommendations for supporting kids with anxiety?

The key to an effective screening process is that it be connected to evidence-based care.

The good news is that we now have decades of high-quality research demonstrating how to effectively intervene to reduce symptoms and to help anxious youth cope and function better. These include both medications or therapeutic approaches like cognitive behavioural therapy, which studies show to be safe and effective.

This is an updated version of an article originally published on May 13, 2022.

By The African Mirror