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. 2010 Jan 29;11:21. doi: 10.1186/1471-2474-11-21

Table 3.

Mean (sd) patient characteristics

Test-retest Pre-post test
Respondents (n = 52) Non-respondents (n = 37) Respondents (n = 66) Non-respondents (n = 37)
Females n 51 (98%) 36 (97%) 60 (91%) 33 (89%)
Age, yrs 52.8 (13.0) 54.6 (9.6) 53.3 (12.1) 55.2 (12.7)
Disease duration, yrs, 6.6 (7.0) 7.4 (6,8)
Living alone 30 (58%) 17 (26%)
Education (<12 yrs) 29 (56%) 46 (70%)
Diagnoses:
 Fibromyalgia 17 (33%) 14 (38%) 21 (32%) 7 (19%)
 Sjogrens syndrome 17 (33%) 10 (27%) 7 (11%) 12 (32%)
 Rheumatoid arthritis 9 (17%) 7 (19%)
 Systemic Lupus Erythematosus 9 (17%) 6 (16%)
 Osteoarthritis 22 (33%) 11 (30%)
 Ankylosing spondylitis 10 (15%) 4 (11%)
 Scleroderma 6 (9%) 3 (8%)