Résumé :
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[BDSP. Notice produite par INIST FL99rR0x. Diffusion soumise à autorisation]. Context Most studies of the long-term effects of early childhood educational interventions are of demonstration programs rather than large-scale public programs. Previous studies of one of the oldest federally funded preschool programs have reported positive effects on school performance, but effects on educational attainment and crime are unknown. Objective To determine the long-term effectiveness of a federal center-based preschool and school-based intervention program for urban low-income children. Design, Setting, and Participants Fifteen-year follow-up of a nonrandomized, matched-group cohort of 1539 low-income, mostly black children born in 1980 and enrolled in alternative early childhood programs in 25 sites in Chicago, III. Interventions The Chicago Child-Parent Center (CPC) Program (n=989 children) provides comprehensive education, family, and health services and includes half-day preschool at ages 3 to 4 years, half-or full-day kindergarten, and school-age services in linked elementary schools at ages 6 to 9 years. The comparison group (n=550) consisted of children who participated in alternative early childhood programs (full-day kindergarten) : 374 in the preschool comparison group from 5 randomly selected schools plus 2 others that provided full-day kindergarten and additional instructional resources and 176 who attended full-day kindergartens in 6 CPCs without preschool participation. Main Outcome Measures Rates of high school completion and school dropout by age 20 years, juvenile arrests for violent and nonviolent offenses, and grade retention and special education placement by age 18 years. Results Relative to the preschool comparison group and adjusted for several covariates, children who participated in the preschool intervention for 1 or 2 years had a higher rate of high school completion (49.7% vs 38.5% ; P=01) ; more years of completed education (10.6 vs 10.2 ; P=03) ; and lower rates
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