Anne Fleur Kortekaas-Rijlaarsdam

53 MPH AND ACADEMIC PERFORMANCE: META-ANALYSIS 2 Supplementary material Table E2.4 Mediator and moderator analyses for math accuracy and math productivity Mediator/moderator Number of studies in the analysis Z-value 95% CI p-value Outcome measure: math accuracy Teacher-rated symptom improvements 18 0.47 [-.0484, .0791] .638 Age 27 -.98 [-.0448, .0150] .330 Gender 29 1,67 [-.0002, .0027] .095 Percent children diagnosed with ADHD-Inattentive subtype 22 .02 [-.0014, .0014] .987 Percent children diagnosed with comorbid ODD or CD 13 -.52 [-.0024, .0014] .600 Parent-rated ADHD severity 14 .09 [-.0164, .0180] .927 Release system (immediate versus extended) 29 -.88 [-.0584, .0222] .378 Duration of study condition (days) 27 .07 [-.0071, .0075] .948 Time of measurement (post-dose, in hours) 20 .50 [-.0114, .0193] .615 Medication dosage (mg) 17 -1.09 [-.0032, .0009] .276 Titration method (clinical versus fixed dosages) 29 -1.03 [-.0568, .0176] .302 Outcome measure: math productivity Teacher-rated symptom improvements 11 -.78 [-.1953, .0841] .436 Age 16 -.61 [-.0597, .0314] .542 Gender 17 -.48 [-.0043, .0026] .634 Percent children diagnosed with ADHD-Inattentive subtype 15 .44 [-.0019, .0030] .662 Release system (immediate versus extended) 17 .64 [-.0560, .1105] .521 Duration of study condition (days) 16 -.03 [-.0147, .0142] .973 Time of measurement (post-dose, in hours) 13 .36 [-.0347, .0502] .720 Medication dosage (mg) 12 .48 [-.0032, .0053] .633 Titration method (clinical versus fixed dosages) 17 -1.00 [-.1329, .0431] .317 Note. ADHD Attention-Deficit Hyperactivity Disorder; ODD Oppositional Defiant Disorder; CD Conduct Disorder