. Author manuscript; available in PMC: 2014 Aug 1.

Published in final edited form as: Psychol Med. 2012 Nov 21;43(8):1673–1683. doi: 10.1017/S0033291712002292

Table 2.

Exploratory factor analysis of 16 DSM-IV psychiatric disorders in the general population of the USA (n=17326)

	Four-factor model
	1	2		3	4
Major depression	0.87^a	0.02		−0.01	0.00
Dysthymia	0.75^a	−0.09		0.17	0.01
Manic episodes	0.37^a	0.14		0.33^a	0.17
Panic disorder	0.30^a	0.41^a		0.08	0.06
Social phobia	−0.02	0.46^a		0.42^a	0.00
Specific phobia	−0.01	0.63^a		0.10	0.00
Generalized anxiety disorder	0.57^a	0.33^a		0.01	−0.05
Post-traumatic stress disorder	0.40^a	0.37^a		−0.05	0.01
Antisocial personality disorder	−0.04	−0.02		0.30^a	0.60^a
Alcohol abuse/dependence	−0.05	−0.01		−0.01	0.79^a
Other drug abuse/dependence	0.04	0.02		0.10	0.79^a
Marijuana abuse/dependence	0.01	−0.01		−0.01	0.89^a
Nicotine dependence	0.08	0.18		−0.08	0.54^a
Schizotypal personality disorder	0.12	0.22		0.31^a	0.11
Avoidant personality disorder	0.06	0.19		0.71^a	−0.09
Schizoid personality disorder	0.01	−0.02		0.77^a	0.01
Paranoid personality disorder	0.02	0.00		0.80^a	0.06
Eigenvalue			0.83
Comparative fit index			0.99
Tucker–Lewis index			0.99
Root mean squared error of approximation			0.01

Correlation between factors	1	2		3	4

1	1.00
2	0.64	1.00
3	0.58	0.54		1.00
4	0.37	0.34		0.30	1.00

Factor loading >0.3.