CONFIRMATORY FACTOR ANALYSIS OF PARENTS' AND TEACHERS' RATINGS OF DSM-IV SYMPTOMS OF ATTENTION DEFICIT HYPERACTIVITY DISORDER IN A SPANISH SAMPLE.

Confirmatory factor analysis examined the factor structure of DSM- IV Attention Deficit Hyperactivity Disorder symptoms and analyzed the differences in informants' ratings of ADHD symptoms by children's age and sex. A sample of 1,018 Spanish school children, 574 girls and 444 boys, ages 4 to 12 years, was rated by teachers and parents. Confirmatory factor analysis showed a similar fit for the three- factor model of inattention, Hyperactivity, and Impulsivity (teachers: CFI= .976, RMR = .041, % of total variance=83.2; parents: CFI= .969, RMR= .037, % of total variance = 82.7) and for the two-factor model of Inattention and Hyperactivity-Impulsivity (teachers: CFI=.958, RMR=.044, % of total variance=79.3; parents: CFI=.961, RMR= .038,% of total variance, 79.9). The two-factor model was selected as a parsimonious representation of the teachers' and parents' ratings of ADHD symptoms. Analyses of variance indicated significant differences in teachers' and parents' mean ratings across sex and school grades of children. [ABSTRACT FROM AUTHOR]

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