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Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
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Predictive factors in early onset schizophrenia.

Magdalena Budisteanu1,2,3, Emanuela Andrei1, Florentina Linca1

  • 1Psychiatry Research Laboratory, 'Prof. Dr. Alexandru Obregia' Clinical Hospital of Psychiatry, 041914 Bucharest, Romania.

Experimental and Therapeutic Medicine
|November 5, 2020
PubMed
Summary

A family history of psychiatric illness is a significant risk factor for early-onset and severe symptoms in childhood-onset schizophrenia. Other factors like urbanicity, gender, and perinatal issues did not show significant correlations.

Keywords:
adolescentsbiological factorschildrenschizophreniasocio-demographic factors

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Area of Science:

  • Child and Adolescent Psychiatry
  • Neurodevelopmental Disorders
  • Schizophrenia Research

Background:

  • Schizophrenia is a neurodevelopmental disorder affecting reasoning, affectivity, and social interactions.
  • Childhood-onset schizophrenia is recognized as a continuum with adult-onset schizophrenia.
  • Understanding risk factors for early-onset schizophrenia is crucial for timely intervention.

Purpose of the Study:

  • To investigate the influence of biological and socio-demographic factors on the age of onset and symptom severity in pediatric schizophrenia.
  • To identify key risk factors contributing to the development and progression of schizophrenia in children and adolescents.

Main Methods:

  • Data collected from 148 children and adolescents diagnosed with schizophrenia between 2016-2019.
  • Statistical analysis included Linear Regression Models, Chi-squared tests, t-tests, and U-tests using IBM SPSS, JASP, and JAMOVI.
  • Factors examined included psychiatric family history, perinatal history, area of residence (urbanicity), and gender.

Main Results:

  • A positive family history of psychiatric diseases was a significant risk factor for both earlier onset and increased symptom severity.
  • Urbanicity, gender, and perinatal factors did not demonstrate statistically significant correlations with age at onset or symptom severity.
  • The study identified psychiatric family history as a primary predictor for early-onset and severe symptomatology in pediatric schizophrenia.

Conclusions:

  • Positive psychiatric family history significantly impacts the onset age and symptom severity in childhood and adolescent schizophrenia.
  • Urbanicity, gender, and perinatal factors were not found to be significant predictors in this cohort.
  • These findings underscore the importance of genetic predisposition in the etiology of early-onset schizophrenia.