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. Author manuscript; available in PMC: 2008 Mar 1.
Published in final edited form as: Drug Alcohol Depend. 2007 Aug 13;92(1-3):27–36. doi: 10.1016/j.drugalcdep.2007.06.001

Table 5.

Reliability of DSM-IV Diagnoses and Associated Symptom Scales

Disorder Diagnosis
Symptom Scale
Kappa (SE) Prevalence (time 1/time 2) ICCa 95% CIb Alpha
Posttraumatic stress disorder
 12-month 0.77 (0.09) (0.22/0.19)
 Lifetime 0.64 (0.11) (0.26/0.20) 0.69 (0.64, 0.72)c 0.84
Attention deficit/hyperactivity disorder
 Child 0.71 (0.12) (0.05/0.06)
 Adult 0.63 (0.09) (0.03/0.02) 0.75 (0.71, 0.78)c 0.89
Borderline personality disorder (lifetime) 0.71 (0.06) (0.10/0.09) 0.75 (0.74, 0.79) 0.83
Narcissistic personality disorder (lifetime) 0.70 (0.09) (0.11/0.07) 0.72 (0.67, 0.75) 0.77
Schizotypal personality disorder (lifetime) 0.67 (0.10) (0.04/0.06) 0.71 (0.67,0.76) 0.75

Note: Number of items for symptom scales: posttraumatic stress disorder (n=18); attention-deficit/hyperactivity disorder (n=20); borderline (n=18), narcissistic (n=18), and schizotypal (n=22) personality disorders.

a

ICC = intraclass test-retest reliability coefficient.

b

CI = 95% confidence interval.

c

Symptom scales for post-traumatic stress disorder and attention deficit/hyperactivity disorder based on lifetime symptoms.