. Author manuscript; available in PMC: 2010 Feb 10.

Published in final edited form as: J Abnorm Child Psychol. 2009 Apr;37(3):337. doi: 10.1007/s10802-008-9255-3

Table 2.

Descriptive Statistics for ADHD, Control, and Total Groups of Adolescents

	ADHD (n=87)	Control (n=97)	Total (n=184)
	M (SD)	M (SD)	M (SD)
N (%) Males	57 (65.5)	52 (53.6)	109 (59.2)
N (%) Ethnic Minority	18 (20.5)	22 (22.8)	40 (21.6)
Child age in years	15.28 (1.13)	15.58 (1.07)	15.44 (1.11)
Neuroticism	4.47 (1.13)	3.53 (0.87)	3.97 (1.11)^*
Agreeableness	6.13 (1.27)	6.64 (1.01)	6.40 (1.16)^*
Conscientiousness	4.18 (1.25)	6.54 (1.11)	5.43 (1.67)^*
Reactive Control	4.54 (1.16)	5.30 (0.96)	4.95 (1.13)^*
Resiliency	5.31 (0.97)	6.37 (0.69)	5.87 (0.99)^*
Negative Emotionality	4.12 (1.17)	3.22 (0.81)	3.65 (1.09)^*
Response Inhibition (SSRT)	319.63 (120.7)	252.94 (71.23)	283.81 (102.58)^*
Set-Shifting (Trails B Time)	61.69 (17.6)	55.6 (27.32)	58.47 (23.38)
Teacher-rated Cognitive Problems (T-score)	60.99 (11.75)	48.59 (7.62)	54.43 (11.56)^*
Teacher-rated Hyperactivity (T-score)	63.46 (16.64)	49.53 (9.28)	56.1 (14.95)^*

Significant differences between ADHD and control groups, measured by t-tests and chi-squares, indicated under total column. “Cognitive problems” is the label on the Conners Scale for DSM-IV ADHD symptoms of inattention-disorganization.

p<0.01.