French adaptation and validation of the Panic Disorder Severity Scale—self-report

BMC Psychiatry

Table 3 Cronbach's α, correlations between each item and the total score, and correlations between items and the French PDSS-SR

	Score Mean ± SD	Corrected item-total correlations	Cronbach’s α if item deleted	Correlations between items
	Score Mean ± SD	Corrected item-total correlations	Cronbach’s α if item deleted	1. Panic attack frequency	2. Distress	3. Severity of anticipatory anxiety	4. Agoraphobic fear/avoidance	5. Fear/avoidance of panic-related sensations	6. Work impairment	7. Social impairment
1. Panic attack frequency	1.34 ± 1.02	0.71	0.90	1
2. Distress	1.45 ± 1.17	0.73	0.90	0.79	1
3. Severity of anticipatory anxiety	1.33 ± 1.12	0.69	0.90	0.56	0.61	1
4. Agoraphobic fear/avoidance	1.11 ± 1.11	0.74	0.89	0.52	0.53	0.61	1
5. Fear/avoidance of panic-related sensations	1.03 ± 1.02	0.72	0.90	0.49	0.52	0.52	0.69	1
6. Work impairment	1.22 ± 1.17	0.76	0.89	0.58	0.59	0.54	0.62	0.64	1
7. Social impairment	1.25 ± 1.08	0.74	0.89	0.51	0.54	0.55	0.65	0.63	0.71	1

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