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Increasing autism prevalence in metropolitan New Jersey
Walter Zahorodny1, Josephine Shenouda, Sandra Howell
11New Jersey Department of Health, USA.
Autism : the International Journal of Research and Practice
|December 4, 2012
Summary
Autism spectrum disorder (ASD) prevalence significantly increased in New Jersey between 2002 and 2006. This rise in ASD affected various demographic groups, highlighting the need for further research and resources.
Area of Science:
- Epidemiology
- Public Health
- Developmental Pediatrics
Background:
- New Jersey exhibited high autism spectrum disorder (ASD) prevalence, necessitating further investigation.
- Previous estimates prompted a follow-up surveillance to assess current ASD prevalence and trends.
Purpose of the Study:
- To determine the prevalence of autism spectrum disorder (ASD) in New Jersey in 2006.
- To identify changes in ASD prevalence and affected child characteristics between 2002 and 2006.
Main Methods:
- Surveillance of children born in 1998 and 1994 in Hudson, Union, and Ocean counties, New Jersey.
- Point prevalence estimation by sex, ethnicity, ASD subtype, and prior diagnosis.
- Analysis of cohorts totaling 30,570 (1998 birth year) and 28,936 (1994 birth year) children.
Main Results:
- A total of 533 children with ASD were identified in 2006, yielding a prevalence of 17.4 per 1000.
- ASD prevalence significantly increased from 10.6 per 1000 in 2002 to 17.4 per 1000 in 2006 (p < 0.001).
- The increase was widespread across demographic groups and ASD subtypes; prevalence was higher in boys (nearly 5:1 ratio) and White children.
Conclusions:
- A significant rise in autism spectrum disorder (ASD) prevalence occurred in New Jersey between 2002 and 2006.
- Further research is crucial to understand the impact of increased awareness and identify potential risk factors for ASD.
- Enhanced resources are essential to meet the needs of individuals with autism spectrum disorder.
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