“…Cross-sectional data from the baseline evaluation of these patients have been presented in previous reports concerning the joint count (50,51); radiographs (34,35,50,52,53); rheumatoid factor (35); grip strength, walk time, and button time (47); and self-report questionnaire data concerning ADL difficulty (36), pain (49), and helplessness (39,40). These reports include further details concerning methods used for data collection and data management.…”