The CHARGE Study: Investigating Causes of Autism
Author Information
Author(s): Irva Hertz-Picciotto, Lisa A. Croen, Robin Hansen, Carrie R. Jones, Judy van de Water, Isaac N. Pessah
Primary Institution: University of California–Davis
Hypothesis
What are the genetic and environmental factors contributing to autism?
Conclusion
The CHARGE study aims to understand the causes of autism by examining both genetic and environmental factors.
Supporting Evidence
- Preliminary results show significant differences in leptin concentrations between children with autism and the general population.
- The study has enrolled over 500 children, with a goal of reaching 1,000 to 2,000 participants.
- 64% of children with autism met diagnostic criteria on both the ADOS and ADI-R assessments.
Takeaway
The CHARGE study is trying to find out what causes autism by looking at both genes and the environment around children.
Methodology
The study uses a case-control design to compare children with autism, developmental delay, and those from the general population, collecting extensive data through interviews, medical records, and biological specimens.
Potential Biases
Potential for bias due to retrospective data collection and reliance on parental reports.
Limitations
Much of the information will be gathered retrospectively, which may introduce reporting or recall bias.
Participant Demographics
Participants include children with autism, developmental delay, and those from the general population, with a focus on diverse socioeconomic and racial/ethnic backgrounds.
Digital Object Identifier (DOI)
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