Table 2.

Comparisons of Comorbid and Non-Comorbid Pairs by Self-Reported Symptoms Severity

	Diagnostic Group				Omnibus Test

	PD	PD+SP	SP+PD	SP	Statistic

PDSS	14.79 (4.42) ^a	14.38 (6.02) ^a	16.33 (5.87) ^a	8.81 (6.61) ^b	F_(9,327) = 15.60
SPDQ	6.21 (5.74) ^a	17.31 (5.53) ^b	22.03 (2.98) ^b	18.15 (4.61) ^b	p < 0.001
GADQ-IV	17.85 (8.62) ^a	26.00 (5.97) ^b	23.22 (7.53) ^b	14.02 (8.88) ^a	partial η² = 0.300

	PD	PD+GAD	GAD+PD	GAD

PDSS	14.79 (4.41) ^a	17.29 (5.60) ^a	13.73 (6.66) ^a	8.06 (5.18) ^b	F_(9,367) = 8.03
SPDQ	6.21 (5.74) ^a	13.14 (7.52) ^b	12.38 (7.41) ^b ^c	8.19 (5.42) ^a ^c	p < 0.001
GADQ-IV	17.85 (8.62) ^a	27.64 (5.43) ^b	25.67 (5.69) ^b	23.69 (3.84) ^b	partial η² = 0.213

	SP	SP+GAD	GAD+SP	GAD

PDSS	8.81 (6.61) ^a	11.41 (6.46) ^a	10.13 (6.53) ^a	8.06 (5.18) ^a	F_(9,426) = 17.80
SPDQ	18.15 (4.61) ^a	20.77 (4.02) ^a	17.08 (4.43) ^a	8.19 (5.42) ^b	p < 0.001
GADQ-IV	14.02 (8.88) ^a	25.11 (5.92) ^b	26.00 (3.54) ^b	23.69 (3.84) ^b	partial η² = 0.273

Note. PD = Panic Disorder; SP = Social Phobia; GAD = Generalized Anxiety Disorder; PDSS = Panic Disorder Severity Scale; SPDQ = Social Phobia Diagnostic Questionnaire; GADQ-IV = Generalized Anxiety Disorder Questionnaire-IV.

^a,b,c

Means not sharing the same superscript differ significantly at p < 0.05 or lower.