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. Author manuscript; available in PMC: 2011 Nov 1.
Published in final edited form as: J Clin Child Adolesc Psychol. 2010 Nov;39(6):761–775. doi: 10.1080/15374416.2010.517173

Table 3.

Prediction of future domain-specific measures of impairment from DSM-IV subtypes versus the comparison group and (Models 1 and 2) and numbers of symptoms of inattention and hyperactivity-impulsivity (Models 3 and 4) among children with ADHD in year 1.

Nominal Subtypes as Predictors vs. Comparison Counts of Symptoms as Predictors
Model 1 Model 2 Model 3 Model 4
Predictors β z β z Predictors β z β z
Outcome Variable: Teacher Ratings of Peer Disliking across Years 2-9
ODDa 0.03 2.48* ODDa 0.01 0.73
CDa 0.01 0.41 CDa 0.01 0.58
Internalizinga −0.00 −0.14 Internalizinga 0.01 1.09
ADHD-I 0.19 1.75 0.13 1.26 Ia 0.01 0.59 0.00 0.27
ADHD-HI 0.35 4.50**** 0.24 2.64** HIa 0.04 2.55* 0.03 1.89
ADHD-C 0.43 8.45**** 0.30 4.15****
Outcome Variable: Teacher Ratings of Peer Ignoring across Years 2–9
ODDa 0.03 2.62** ODDa 0.02 1.46
CDa −0.02 −1.42 CDa −0.02 −1.33
Internalizinga −0.01 −1.18 Internalizinga −0.01 −1.41
ADHD-I 0.26 3.26** 0.23 2.85** Ia 0.03 2.45* 0.03 2.41*
ADHD-HI 0.13 1.82 0.09 1.08 HIa 0.02 1.06 0.01 0.58
ADHD-C 0.30 6.28*** 0.24 4.22****
Outcome Variable: Reading Achievement Scores across Years 2–9
ODDa 0.23 0.48 ODDa 0.45 0.79
CDa −0.07 −0.11 CDa 0.04 0.06
Internalizinga −0.45 −1.47 Internalizinga −0.81 −2.08*
ADHD-I −7.94 −2.10* −6.78 −1.75 Ia −0.50 −0.75 −0.18 −0.26
ADHD-HI 2.71 0.92 2.61 0.78 HIa 2.05 3.22** 1.79 2.60**
ADHD-C 0.98 0.51 1.60 0.63
Outcome Variable: Mathematics Achievement Scores across Years 2-9
ODDa 0.52 1.36 ODDa 0.92 1.81
CDa −0.87 −1.98* CDa −0.74 −1.74
Internalizinga −0.57 −2.26* Internalizinga −0.89 −2.73**
ADHD-I −7.00 −3.02** −5.66 −2.44* Ia −1.16 −2.40* −0.92 −2.04*
ADHD-HI −1.59 −0.68 −1.21 −0.50 HIa .45 0.98 0.07 0.21
ADHD-C −4.49 −3.15** −3.33 −1.79
*

< .05;

**

< .01;

***

< .001;

****

< .0001

a

Counts of symptoms; beta estimates and odds ratios reflect differences in effect at each greater number of symptoms.

Note: Reading and mathematics achievement scores tested with generalized linear regression. See notes at the bottom of Table 2.