Table 1.

Participant Characteristics

	FHR	Controls	Between-Group Difference
n	20	17
Gender (male/female)	6/14	3/14	χ2(1, N=37)=.76, p=.38
Age	27.0 (4.0) [20–33]	26.1 (4.1) [21–35]	t(35)=.71, p=.48
Education (years)	16.1 (1.5) [13–19]	16.3 (0.8) [15–18]	t(35)=.62, p=.54
Lifetime DSM-IV Diagnosis (n)
MDD	5
ADHD	1
Substance Abuse		2a
Comorbid Diagnosesb	4
Lifetime Medication Use (n)c
Stimulant	4
Anti-Depressant	5	1
IQd	118.1 (9.6) [95–136]	118.4 (11.8) [97–135]	t(34)=.07, p=.95
SASe	55.4 (6.6) [47–67]	49.7 (8.9) [38–73]	t(33)=2.17, p=.04, d=.73
IRI-PTf	21.8 (4.1) [15–28]	21.3 (3.8) [16–28]	t(33)=.40, p=.69, d=.14
IRI-EC	19.0 (4.7) [12–27]	21.9 (4.6) [12–26]	t(33)=1.84, p=.07, d=.63
IRI-FS	14.2 (5.1) [5–25]	18.6 (4.1) [10–26]	t(33)=2.84, p=.008, d=.96
IRI-PD	7.7 (4.7) [0–16]	11.1 (5.8) [1–21]	t(33)=1.93, p=.06, d=.65

Note. Values represent the mean, standard deviation in parentheses, and range in brackets, where applicable. MDD=Major Depressive Disorder, ADHD=Attention Deficit Hyperactivity Disorder, SAS=Social Adjustment Scale – Self-Report, IRI-PT=Perspective-Taking, IRI-EC=Empathic Concern, IRI-FS=Fantasy Scale, IRI-PD=Personal Distress.

^aNeither participant had used the substance (marijuana, cocaine) in at least 1 year prior to the experiment.

^bTwo individuals met criteria for MDD and ADHD, 1 individual met criteria for MDD and an anxiety disorder, and 1 individual meet criteria for MDD, an anxiety disorder, ADHD, and substance abuse.

^cTwo FHR individuals reported lifetime use of both a stimulant and anti-depressant medication.

^dData not available for 1 FHR.

^eData not available for 2 FHR.

^fIRI data not available for 1 FHR and 1 control