Table 3.

Kappa coefficients for inter-rater agreement on clinician diagnoses by age and ASD diagnosis

	Ages (7–11) (n=41)	Ages (12–16) (n=29)	Autistic disorder (n=23)	Asperger’s disorder (n=32)	PDD-NOS (n=15)
Separation anxiety disorder	0.90 (0.76–1.00)	0.73 (0.44–1.00)	0.81 (0.56–1.00)	0.93 (0.79–1.00)	0.73 (0.39–1.00)
Social phobia	1.00	N/A	1.00	1.00	N/A
Specific phobia	0.94 (0.83–1.00)	0.93 (0.79–1.00)	0.86 (0.60–1.00)	0.94 (0.82–1.00)	1.00
Panic disorder	1.00	1.00	N/A	1.00	1.00
Generalized anxiety disorder	1.00	0.89 (0.67–1.00)	1.00	1.00	0.87 (0.62–1.00)
Obsessive-compulsive disorder	1.00	0.93 (0.79–1.00)	0.91 (0.73–1.00)	1.00	1.00
Posttraumatic stress disorder	1.00	1.00	1.00	1.00	N/A
Depressive disorders	1.00	0.83 (0.60–1.00)	N/A	1.00	1.00
Oppositional defiant disorder	1.00	0.92 (0.77–1.00)	1.00	0.93 (0.80–1.00)	1.00

CI confidence interval, Depressive Disorders major depressive disorder and dysthymia, PDD-NOS pervasive developmental disorders- not otherwise specified, N/A data was not available due to inadequate data to find variability and low base rate