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Differences in autism spectrum disorders incidence by sub-populations in Israel 1992-2009: a total population study
Raanan Raz1, Marc G Weisskopf, Michael Davidovitch
1Department of Environmental Health, Harvard School of Public Health, 401 Park Dr., Boston, MA, 02215, USA, rraz@hsph.harvard.edu.
Abstract:
We analyzed data from the Israeli National Insurance Institute (NII). Autism Spectrum Disorder (ASD) incidence was calculated for all children born in Israel 1992-2009, and by population groups. Overall, 9,109 ASD cases among 2,431,649 children were identified. ASD cumulative incidence by age 8 years increased 10-fold during 2000-2011, from 0.49% to 0.49%, while other child disabilities in NII increased only 1.65-fold. There was a consistent increase in ASD incidence with advancing birth cohorts born 1992-2004, stabilizing among those born 2005-2009. ASD rates among Israeli Arabs were substantially lower, and increased about 10 years later than the general population. The findings suggest a role for ASD awareness, accessing of the government benefit, or the way the concept of ASD is perceived.
