Early Intervention

Definition: A therapeutic strategy that combines early detection of hazardous or harmful substance use and treatment of those involved. Treatment is offered or provided before such time as patients might present of their own volition, and in many cases before they are aware that their substance use might cause problems. It is directed particularly at individuals who have not developed physical dependence or major psychosocial complications. Early intervention is therefore a pro-active approach, which is initiated by the health worker rather than the patient. The first stage consists of a systematic procedure for early detection. There are several approaches: routine enquiry about use of alcohol, tobacco, and other drugs in the clinical history , and the use of screening tests, for example, in primary health care settings. Supplementary questions are then asked in order to confirm the diagnosis. The second component, treatment, is usually brief and takes place in the primary health care setting (lasting on average 5-30 minutes). Treatment may be more extensive in other settings.


How does it work?

Early Intervention

Protective factors are the characteristics or conditions of individuals, families, communities and society that can mitigate these risks and increase the health and wellbeing of children and families. In many cases, risk and protective factors are two sides of the same coin: for example, poor parental mental health may pose a risk to a child’s healthy development, while good parental mental health may provide a protective factor against other negative outcomes, such as behavioural problems or poor academic attainment.

These risk factors are not deterministic or predictive at an individual level: they cannot tell us exactly which child or young person will need help. But they can help us to identify children who are vulnerable and who may need extra support. Studies show that early intervention works best when it is made available to children on the basis of pre-identified risks.


Universal or targeted?

Many families need more support

than is available through universal services, such as schools and GPs. Early intervention works best when it targets particular families or individuals, on a selective or indicated basis.


  • Targeted selective interventions are offered to families on the basis of broad demographic risks, such as low family income, single parenthood, adolescent parenthood or ethnic minority status. Although children growing up in these circumstances may not be suffering any specific problems, interventions that select families on the basis of these kinds of risks have the potential to keep more serious problems from occurring.
  • Targeted indicated interventions are offered to families who have been identified as having a specific or diagnosed problem requiring more intensive support. In these cases, early intervention can no longer prevent problems from occurring, but has the potential to help in treating the problems and minimising or reversing long-term impacts on a child’s development.

As early intervention moves up the scale from universal to targeted selective to targeted indicated, interventions become more intensive, and are offered to a smaller group of families.


What can early intervention achieve?

Early intervention approaches often focus on supporting four key aspects of child development – their physical, cognitive, behavioural, and social and emotional development – where it has the potential to make the biggest difference and provide benefits throughout a person’s life.


Early Intervention


  • Physical development involves children’s physical health, maturation and the presence or absence of a physical disability, and it provides the basis for positive development in all other areas. Physical outcomes targeted by early intervention activities include improving birth outcomes, reducing the incidence of infectious diseases and decreasing childhood obesity.


  • Cognitive development includes children’s acquisition of speech and language skills, their ability to read and write, their numeracy capabilities and their understanding of logical problem-solving. Positive cognitive development is strongly associated with a child’s success in school and entry into the workforce. Cognitive outcomes typically targeted by early intervention include performance on standardised tests, school achievement, and higher education and employment opportunities once they leave school.


  • Behavioural development involves children’s ability to monitor and regulate their own behaviour, attention and impulses. Children’s self-regulatory skills are highly associated with their ability to form positive relationships with others, as well as their success in school. Behavioural self-regulation difficulties during childhood are highly predictive of children’s involvement in criminal activity during the teenage years and adulthood. Behavioural outcomes frequently targeted by early intervention include reducing antisocial behaviour and crime, violence and aggression at school, and affiliation with antisocial peers.


  • Social and emotional development involves children’s awareness of their own emotional needs and the emotional needs of others. Social and emotional development also encompasses the development of children’s self-esteem and their ability to manage negative feelings. Social and emotional development is strongly associated with a child’s ability to form positive relationships with others and a reduced risk of depression and other mental health outcomes. Early intervention outcomes associated with children’s social and emotional development include increasing pro-social behaviour, improving self-esteem and reducing the incidence of clinically diagnosed mental health problems.

Early intervention also targets three key additional ‘threats’ to a child’s development which are strongly associated with adverse outcomes during adolescence and adulthood: child maltreatment, substance misuse and risky sexual behaviour.

SEE:The Five Major Types of Anxiety Disorders

Early Intervention


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