The Revised Fibromyalgia Impact Questionnaire (FIQR): validation and psychometric properties

Table 2 Focus group total scores and correlations of the various versions of the Fibromyalgia Impact Questionnaire and the Revised Fibromyalgia Impact Questionnaire

	Mean ± SD	FIQ-P	FIQR-P	FIQR-P VAS	FIQ-OL	FIQR-OL
FIQ-P	59.8 ± 20.9	-	0.93	0.94	0.91	0.83
FIQR-P	57.6 ± 26.3	0.93	-	0.99	0.94	0.89
FIQR-P VAS	56.4 ± 27.6	0.94	0.99	-	0.94	0.88
FIQ-OL	61.8 ± 21.2	0.91	0.94	0.94	-	0.95
FIQR-OL	59.7 ± 24.9	0.83	0.89	0.88	0.95	^-

All correlations were significant at P < 0.001. FIQ-OL, an online version of the Fibromyalgia Impact Questionnaire; FIQ-P, the original paper version of the Fibromyalgia Impact Questionnaire; FIQR-OL, an online version of the Revised Fibromyalgia Impact Questionnaire; FIQR-P, a paper version of the Revised Fibromyalgia Impact Questionnaire using 11 boxes scaled 0 to 10; FIQR-P VAS, a paper version of the Revised Fibromyalgia Impact Questionnaire using a 100-mm visual analog scale scoring instead of 11 boxes; SD, standard deviation.

ISSN: 1478-6362