Li Huang, Hansen Li, Haowei Liu, Haodong Tian, Haoyue Luo, Jinlong Wu, Yue Luo, Li Peng, Liya Guo
Socioecological influencers of health-promoting lifestyles in Chinese: a preliminary survey using convenient samples
Frontiers in public health
concern raised possible increases prevalence autism however populationbased studies conducted united statesto determine prevalence autism among children major us metropolitan area describe characteristics study populationstudy prevalence autism among children aged 3 10 years 5 counties metropolitan atlanta ga 1996 cases identified screening abstracting records multiple medical educational sources case status determined expert reviewautism prevalence demographic factors levels cognitive functioning previous autism diagnoses special education eligibility categories sources identificationa total 987 children displayed behaviors consistent diagnostic statistical manual mental disorders fourth edition criteria autistic disorder pervasive developmental disordernot otherwise specified asperger disorder prevalence autism 34 per 1000 95 confidence interval ci 3236 malefemale ratio 41 overall prevalence comparable black white children black 34 per 1000 95 ci 3037 white 34 per 1000 95 ci 3237 sixtyeight percent children iq developmental test results n 880 cognitive impairment severity cognitive impairment increased mild profound malefemale ratio decreased 44 13 forty percent children autism identified educational sources schools important source information black children children younger mothers children mothers less 12 years educationthe rate autism found study higher rates studies conducted united states 1980s early 1990s consistent recent studies