Objective:To investigate the prevalence and related influencing factors of Autism spectrum disorders(ASDs) in public primary schools. Methods:7463 children aged 6-11 years were selected from all 14 public primary schools of 1 regions in Jinlin City by Cluster Sampling method, they were screened with the Childhood Autism Spectrum Test(CAST) and teacher nomination strategy at first. Then, the suspected children were observed, evaluated, and diagnosed so that we can analyze the prevalence and related influencing factors of Autism spectrum disorders(ASDs). Results:①The prevalence of children with ASDs in public primary schools was 63.7/10000(95% CI 43.8/10000~83.6/10000), the ratio of ASDs be-tween boys and girls was 5.5:1. ②There were significant differences in the distribution of paternal(χ2=16.134, P<0.01) and maternal(χ2=8.629, P<0.05) age, father's mental illness history(χ2=15.610, P<0.01), family monthly income(χ2=36.807, P<0.01), mother's alcohol consumption(χ2=11.238, P<0.01) during the pregnant time between ASDs and TD group. ③Logistic analysis showed that family monthly income≦1999yuan, male children, fetal childbirth is shoudler, father has not a history of mental illness were the related influencing factors to ASDs. Conclusion:The prevalence of autism spectrum disorders in public primary schools is lower than that in other countries. This study can provide empirical supports to the systematic screening and the establishment of inclusive education for school-age children with ASDs.
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