Correlation between different disorders from a principal axis factor analysis of NCS-R data

The National Comorbidity Survey – Replication data were used to estimate 12-month prevalence, severity, and comorbidity of DSM-IV anxiety, mood, impulse control, and substance disorders.¹ The survey was an in-person structured diagnostic interview of 9,282 people, conducted between 2001–2003 across the USA.¹ The correlation analysis shown on the slide found almost all correlations between mental disorders were positive, and many were statistically significant.¹

GAD=generalized anxiety disorder; MDD=major depressive disorder; NCS-R=National Comorbidity Survey – Replication; OCD=obsessive–compulsive disorder; PTSD=post-traumatic stress disorder; SAD=separation anxiety disorder