Measurement properties of physical function scales validated for use in patients with rheumatoid arthritis: A systematic review of the literature

Table 2 Content validity and measurement properties of included questionnaires

Questionnaire*	Relevance	Comprehen-siveness	Construct validity	Internal consistency	Test-retest reliability	Agree-ment	Respon-siveness	MIC	Ceiling/floor effects	Score distribution
Generic scales
BI [56]	-	-	-	?	?	?	?	?	?	?
GARS [26, 57]	+	+	+	+	?	?	0	?	?	?
MHIQ [58]	+	+	+	0	0	?	0	?	?	?
NHP [59–63]	+	-	+	?	0	?	0	?	?	+
SF-36 [64–69]	+	-	+	0	0	0	+	+	-	+
SIP [70–72]	-	-	-	?	0	?	0	?	?	+
WHODAS-II [73, 74]	-	+	0	0†	0	?	0	?	-	?
Disease-specific scales
FSI [75]	+	+	?	0†	0	?	?	?	?	?
AIMS [76, 77, 30, 59, 78–81]	-	+	+	-	0	?	+	?	?	?
Short AIMS [76]	+	+	+	0†	0	?	0	?	?	?
Shortened AIMS [77]	+	+	-	0†	0	?	?	?	?	?
AIMS2 [82]	+	+	+	+	0	?	?	?	?	?
AIMS2-SF [83]	+	-	+	0	+	?	+	?	?	?
CSHQ-RA [28, 29, 84]	-	+	+	+	+	?	0	+	?	+
CSHQ-RA, revised [27]	+	+	+	+	+	?	0	+	?	+
CSSRD-FAS [85]	-	+	+	?	-	?	?	?	?	?
FFbH [86]	+	-	+	0	?	?	0	?	+	?
HAQ [40, 87, 32, 41, 66, 79, 88–94]	+	+	+	+	+	0	+	+	-	+
HAQ-II [41]	+	+	+	0	?	?	0	?	+	?
MDHAQ (10-ADL) [40]	+	-	?	0	?	?	?	?	+	?
MDHAQ (14-ADL) [40]	+	+	?	0	?	?	?	?	+	?
MHAQ [40, 41, 93–95]	+	-	+	+	0	0	+	?	-	+
ROAD [31, 96]	-	+	-	+	+	0	+	?	+	?
IRGL [97, 98]	+	+	-	0	0	?	?	?	?	?
TFCQ [99]	?	?	?	0	?	?	?	?	?	?
SIP-RA [100]	-	-	0	0	?	?	0	?	?	?

+ = good measurement properties with adequate methodological quality; - poor measurement properties with adequate methodological quality; 0 = indeterminate quality of measurement properties because of inadequate methodological quality; ? = no information found. * For the full names of the questionnaires see legend of table 1. † No factor analysis was applied, but Cronbach's α < 0.70.

ISSN: 1477-7525