Table 2.

Euclidian Distances Among Psychiatric Disorders in the National Comorbidity Survey Replication Adolescent Supplement (NCS-A) in the 3-Factor Model

Disorders	MDE/Dys	GAD	Mania/HypoM	SP	AG	SocAD	PD	SEP	PTSD	ED	ADHD	ODD	CD	DUD	AUD
MDE/Dys
GAD	0.321
Mania/HypoM	0.222	0.401
SP	0.459	0.234	0.424
AG	0.539	0.228	0.562	0.186
SocAD	0.335	0.079	0.391	0.237	0.230
PD	0.481	0.207	0.507	0.257	0.177	0.151
SEP	0.542	0.403	0.497	0.248	0.378	0.442	0.495
PTSD	0.217	0.117	0.327	0.291	0.335	0.166	0.314	0.406
ED	0.354	0.398	0.175	0.321	0.491	0.387	0.470	0.379	0.359
ADHD	0.679	0.852	0.474	0.781	0.954	0.834	0.913	0.779	0.791	0.468
ODD	0.591	0.855	0.458	0.863	1.017	0.845	0.955	0.875	0.768	0.550	0.293
CD	0.586	0.845	0.479	0.885	1.013	0.817	0.912	0.961	0.771	0.598	0.428	0.241
DUD	0.693	0.868	0.721	1.002	1.038	0.821	0.879	1.173	0.832	0.857	0.929	0.776	0.555
AUD	0.632	0.774	0.628	0.883	0.925	0.719	0.763	1.066	0.750	0.743	0.836	0.730	0.513	0.162
ND	0.605	0.781	0.613	0.900	0.948	0.733	0.793	1.069	0.744	0.744	0.820	0.684	0.467	0.119	0.089

Note: ADHD=attention-deficit/hyperactivity disorder; AG=agoraphobia (with/without panic disorder); AUD=alcohol use disorder; CD=conduct disorder; DUD=drug use disorder; ED=eating disorder; GAD=generalized anxiety disorder; Mania/HypoM=mania or hypomania; MDE/Dys=major depressive episode/dysthymia; ND=nicotine dependence; ODD=oppositional defiant disorder; PD=panic disorder; PTSD=posttraumatic stress disorder; SEP=separation disorder; SocAD=social anxiety disorder; SP=specific phobia.