Supplemental Table 1. Group Comparison of Clinical Dimensions Using Multiple Analysis

of Covariance (Pillai’s Trace)

Characteristics (n=921) F df P Value partial η2

Teacher-rated ADHD-RS 10.42 6, 1508 <0.001 0.04

Parent-rated ADHD-RS 41.96 6, 1602 <0.001 0.13

CBCL 8.53 22, 1574 <0.001 0.10

LDES 13.82 16, 1588 <0.001 0.12

Stroop Color-Word Test 2.52 8, 1608 0.010 0.01

Abbreviations: ADHD, attention-deficit/hyperactivity disorder; ADHD-RS, ADHD rating

scale; CBCL, child behavior checklist; LDES, learning disability evaluation scale

Higher T-scores on the ADHD-RS and CBCL indicate greater problems, and on the LDES

and Stroop test better performance.

The analyses were adjusted for age, gender, residential area, paternal education level, yearly

income, child’s IQ, and maternal IQ.

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