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. Author manuscript; available in PMC: 2020 Aug 1.
Published in final edited form as: Psychiatry Res. 2019 Jun 17;278:248–257. doi: 10.1016/j.psychres.2019.06.021

Table 1.

Demographic and clinical characteristics of IBBS vs. TAU groups and ADHD vs. HC groups.

IBBS M(SD) N=13 TAU M(SD) N=16 Group Differences Test statistic ADHD M(SD) N=35 HC M(SD) N=34 Group Differences Test statistic
Age (years) 7.23(1.42) 7.06(1.06) F(1,27)=0.13, p=0.72 7.03(1.32) 7.18(1.22) F(1,67)=0.23, p=0.63
Sex, N (%)
 Male 7(53.8) 8(50.0) χ2(1)=0.04, p=0.84 20(57.1) 21(61.8) χ2(1)=0.15, p=0.70
 Female 6(46.2) 8(50.0) 15(42.9) 13(38.2)
Race, N (%)
 White 5(38.5) 7(43.8) χ2(3)=0.36, p=0.95 15(42.9) 17(50.0) χ2(3)=1.91, p=0.59
 African American 6(46.2) 6(37.5) 15(42.9) 9(26.5)
 Hispanic 1(7.7) 1(6.3) 2(5.7) 3(8.8)
 Other 1(7.7) 2(12.5) 3(8.6) 4(11.8)
KBIT 107.46(14.66) 99.63(11.52) F(1,27)=2.60, p=0.12 103.69(12.67) 107.82(13.67) F(1,67)=1.70, p=0.20
Parental Education (years) 15.46(2.29) 14.80(2.78) F(1,26)=0.46, p=0.50 15.24(2.55) 15.31(2.53) F(1,64)=0.02, p=0.90
ADHD Subtype, N (%)
 Inattentive 5(38.5) 5(31.3) χ2(3)=0.51, p=0.92 --- --- ---
 Hyperactive-Impulsive 2(15.4) 2(12.5) --- --- ---
 Combined 4(30.8) 7(43.8) --- --- ---
 Subthreshold for ADHD 2(15.4) 2(12.5) --- --- ---
ADHD Medication, N (%)
 Stimulants 2(15.4) 3(18.8) p=0.60a --- --- ---
 Non-stimulants 1(7.7) 1(6.3) p=0.70a --- --- ---
Comorbidity, N (%)
 Anxiety Disorder 1(7.7) 5(31.3) p=0.14a --- --- ---
 Oppositional Defiant Disorder 2(15.4) 4(25.0) p=0.44a --- --- ---
 Autism Spectrum Disorder 1(7.7) 1(6.3) p=0.70a --- --- ---

Abbreviations: HC = healthy control; IBBS = Integrated Brain, Body & Social Intervention; TAU = Treatment-As-Usual; M (SD) = mean (standard deviation); N = number of participants; KBIT = Kaufman Brief Intelligence Test.

a

Fisher’s Exact Test