Prevalence of Pervasive Developmental Disorders among Children at the English Montreal School Board
نویسندگان
چکیده
منابع مشابه
Prevalence of pervasive developmental disorders among children at the English Montreal School Board.
OBJECTIVES The prevalence of pervasive developmental disorders (PDDs) has increased. There has been speculation regarding a role of thimerosal-containing vaccines (TCVs) in this trend. Our objectives were to determine prevalence rates of PDDs among school-aged children, and to evaluate the impact of discontinuation of thimerosal use in 1996 in routine childhood vaccines on PDD rates. METHOD C...
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BACKGROUND The prevalence of pervasive developmental disorders has increased in recent years. Links with the measles component of the measles-mumps-rubella vaccine and the cumulative exposure to thimerosal through other vaccines have been postulated. OBJECTIVES The purpose of this work was to estimate the pervasive developmental disorder prevalence in Montreal, Canada, in cohorts born from 19...
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A consistent result in the evaluation of group-delivered intervention to promote social reciprocity in children with PDDs is that outcome data are inconclusive. Lack of robust evidence of efficacy confounds understanding of these interventions and their value to the field. It is conceivable that the construct of impaired social reciprocity in PDD presents unique circumstances that require speci...
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ژورنال
عنوان ژورنال: The Canadian Journal of Psychiatry
سال: 2010
ISSN: 0706-7437,1497-0015
DOI: 10.1177/070674371005501105