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.

Bennett et al. Arthritis Research & Therapy 2009 11:R120   doi:10.1186/ar2783

Open Data