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What is the Reliability of the SCID-II?

The reliability of the SCID-II has been assessed in several studies (see Table). The range of Kappa in these studies is a reflection of differences in the same dimensions that effect reliability of the SCID-I (see "What is the Reliability of the SCID-I?" for more information)

Psychometric Properties of SCID-II Patient Questionnaire

Three studies (Ekselius et. al, 1994, Jacobsberg et. al, 1995, Nussbuam and Rogers, 1992) examined the sensitivity and specificity of the SCID-II-PQ when used as a screening tool, confirming a very low rate of false negatives, Although the SCID-II-PQ was not designed as a stand-alone instrument, Ekselius and colleagues (1994), were able to determine cut-off scores for the SCID-II-PQ that resulted personality diagnoses that were similar to those obtained by the SCID-II interview, with an overall kappa of agreement of 0.78. Ball and colleagues (Ball et. al,.2001), also using the SCID-II-PQ as a standalone instrument, found internal consistency of SCID-II-PQ rated personality disorders in a population to be above 0.6 (the lowest acceptable value) (range .35 to .80) for all disorders except Schizoid.

References

Ball SA, Rounsaville BJ, Tennen H, Kranzler HR. Reliability of personality disorder symptoms and personality traits in substance-dependent inpatients. J Abnorm Psychol 2001 May;110(2):341-52.

Ekselius L, Lindstrom E, von Knorring L, Bodlund O, Kullgren G. SCID II interviews and the SCID Screen questionnaire as diagnostic tools for personality disorders in DSM-III-R. Acta Psychiatr Scand 1994 Aug;90(2):120-3

Jacobsberg L, Perry S, Frances A. Diagnostic agreement between the SCID-II screening questionnaire and the Personality Disorder Examination. J Pers Assess 1995 Dec;65(3):428-33

Nussbaum D, Rogers R. Screening Psychiatric Patients for Axis II Disorders. Can J Psychiatry 1992 37:658-660.

Table Summarizing Selected SCID-II Reliability Studies

Study
First, et al., 1995 Weiss, et al., 1995 Arntz, et al., 1992 Fogelson, 1991 Dreessen, et al., 1998 Maffei, et al., 1997 Lobbestael, et al., 2010
n
284
31
70 15 43 231 127-137
Method 1-3 week interval test-retest 12-month interval test-retest Joint with live observer Joint with audiotape 1-4 week interval, test-retest Joint with live observer Joint with audiotape
Statistic kappa kappa kappa ICC ICC kappa kappa/Trait ICC/Sum ICC
Version DSM-III-R DSM-III-R DSM-III-R DSM-III-R DSM-III-R DSM-IV DSM-IV
Avoidant 0.54 -0.15 0.82 0.84 0.80 0.97 .83/.89/.90
Dependent 0.50 0.43 1 *** 0.49 0.86 .83/.90/.92
Obsessive-Compulsive 0.24 0.26 0.72 *** 0.75 0.83 .87/.87/.89
Passive-Aggressive 0.47 0.71 0.66 *** 0.62 0.91 ***/0.85/0.86
Self-Defeating 0.33 *** 1 *** 0.53 ** **
Depressive * * * * * 0.65 0.94/0.94/0.95
Paranoid 0.57 0.47 0.77 0.70 0.66 0.93 ***/0.85/0.85
Schizotypal 0.54 0.78 0.65 0.73 0.59 0.91 ***/0.62/0.6
Schizoid *** *** *** 0.60 *** 0.91 ***/0.76/0.78
Histrionic 0.62 0.59 0.85 *** 0.24 0.92 ***/0.75/0.72
Narcissistic 0.42 0.59 1 *** *** 0.98 ***/0.67/0.80
Borderline 0.48 0.02 0.79 0.82 0.72 0.91 0.91/0.93/0.95
Antisocial 0.76 0.41 *** *** 0.75 0.95 0.78/0.78/0.85

* not included in SCID-II for DSM-III-R

** not included in SCID-II for DSM-IV

*** not reported because too few cases

References for Table

Arntz A, van Beijsterveldt B, Hoekstra R, Hofman A, Eussen M, Sallaerts S. The interrater reliability of a Dutch version of the Structured Clinical Interview for DSM-III-R Personality Disorders. Acta Psychiatr Scand 1992 May;85(5):394-400

Dreessen L, Arntz A Short-interval test-retest interrater reliability of the Structured Clinical Interview for DSM-III-R personality disorders (SCID-II) in outpatients. J Personal Disord 1998 Summer;12(2):138-48

First MB, Spitzer RL, Gibbon M, Williams JBW, Davies M, Borus J, Howes MJ, Kane J, Pope HG, Rounsaville B. The Structured Clinical Interview for DSM-III-R Personality Disorders (SCID-II). Part II: Multi-site Test-retest Reliability Study, Journal of Personality Disorders 1995; 9(2), 92-104

Fogelson DL, Neuchterlein KH, Asarnow RF, Subotnik KL, Talovic SA: Interrater Reliability of the Structured Clinical Interview for DSM-III-R, Axis II: Schizophrenia Spectrum and Affective Spectrum Disorders. Psychiatry Research 1991; 39:55-63

Lobbestael J, Leurgans M, Arntz A.  Inter-rater reliability of the Structured Clinical Interview for DSM-IV Axis I Disorders (SCID I) and Axis II Disorders (SCID II). Clin Psychol Psychother 2010 Mar 21

Maffei C, Fossati A, Agostoni I, Barraco A, Bagnato M, Deborah D, Namia C, Novella L, Petrachi M. Interrater reliability and internal consistency of the structured clinical interview for DSM-IV axis II personality disorders (SCID-II), version 2.0. J Personal Disord 1997 Fall;11(3):279-84

Weiss RD, Najavits LM, Muenz LR, Hufford C. Twelve-month test-retest reliability of the structured clinical interview for DSM-III-R personality disorders in cocaine-dependent patients. Compr Psychiatry 1995 Sep-Oct;36(5):384-9