Validity of the work productivity and activity impairment questionnaire - general health version in patients with rheumatoid arthritis

Table 3 Spearman correlations between WPAI outcomes and health status outcomes

	Function	Pain	Pt global estimate	Fatigue	PtGA
Percent work time missed	0.39	0.36	0.36	0.37	0.34
Percent impairment while working	0.69	0.75	0.74	0.67	0.76
Percent overall work impairment	0.67	0.73	0.71	0.68	0.73
Percent activity impairment	0.73	0.77	0.77	0.68	0.77

Pt global estimate, patient global estimate on health impact; PtGA, patient global assessment of disease activity

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