Development and validation of the self-administered Fibromyalgia Assessment Status: a disease-specific composite measure for evaluating treatment effect

Table 3 Convergent construct validity analysis: correlation matrix of overall Fibromyalgia Assessment Status scores and their components vs the Fibromyalgia Impact Questionnaire dimensions

			Physical functioning	Number of days felt good	Number of working days missed	Job ability	Pain	Fatigue	Tiredness	Stiffness	Anxiety	Depression	Total FIQ
Spearman's rho	SAPS	Correlation coefficient	0.217(**)	0.195(**)	0.191(**)	0.145 (*)	0.271(**)	0.136(*)	0.147(*)	0.136(*)	0.260(**)	0.212(**)	0.193(**)
	FATIGUE	Correlation coefficient	0.571(**)	0.482(**)	0.568(**)	0.568 (**)	0.663(**)	1.000(**)	0.568(**)	0.556(**)	0.411(**)	0.257(**)	0.804(**)
	SLEEP	Correlation coefficient	0.424(**)	0.259(**)	0.397(**)	0.397 (**)	0.391(**)	0.568(**)	1.000(**)	0.379(**)	0.326(**)	0.256(**)	0.618(**)
	FAS	Correlation coefficient	0.294(**)	0.251(**)	0.257(**)	0.534 (**)	0.303(**)	0.379(**)	0.309 (**)	0.147(*)	0.255(**)	0.217(**)	0.347(**)

ISSN: 1478-6362