Environmental and State-Level Regulatory Factors Affect the Incidence of Autism and Intellectual Disability
Figure 4
Total state-level random effects of ASD and ID incidence in the USA: (A) ASD and (B) ID.
In the figures we color-coded the Empirical Bayes estimates of the state-level random effects, separately for ASD and ID. County- and state-level random effects model the unknown factors that vary geographically and govern differences in county-specific disease rates after accounting for all fixed effects (see Methods).