Table 1 Description of the sample and of the prevalence of working patients with rheumatoid arthritis in Blumenau, Santa Catarina state, Brazil, according to the independent variables, 2014
Variables | Sample | Working Patients | ||
|---|---|---|---|---|
n * | % | Prevalence (%) 95% CI | p | |
Total | 185 | 100.0 | 44.3 (37.0-51.5) | |
Sex (n = 185) | 0.943** | |||
Male | 32 | 17.3 | 43.7 (25.5-61.9) | |
Female | 153 | 82.7 | 44.4 (36.4-52.4) | |
Age in years (n = 185) | 0.025*** | |||
20-59 (adults) | 133 | 71.9 | 48.8 (40.2-57.4) | |
≥ 60 (elderly) | 52 | 28.1 | 32.6 (19.5-45.8) | |
Income in minimum wages (n = 154) | 0.001*** | |||
0-2 | 117 | 75.9 | 34.1 (25.5-42.9) | |
> 2 | 37 | 24.1 | 64.8 (48.2-81.0) | |
Education in completed years (n = 176) | 0.000*** | |||
0-4 | 60 | 34.1 | 25.0 (13.7-36.2) | |
> 4 | 116 | 65.9 | 54.3 (45.1-63.5) | |
Self-reported skin color (n = 178) | 0.686** | |||
White | 165 | 92.7 | 44.2 (36.5-51.9) | |
Brown and black | 13 | 7.3 | 38.4 (7.8-69.0) | |
Presence of comorbidities (n = 181) | 0.016** | |||
No | 87 | 48.1 | 52.8 (42.1-63.5) | |
Yes | 94 | 51.9 | 35.1 (25.2-44.9) | |
Consultation with another rheumatologist (n = 181) | 0.900** | |||
No | 50 | 27.6 | 44.0 (29.7-58.2) | |
Yes | 131 | 72.4 | 45.0 (36.4-53.6) | |
Number of visits in the last 12 months (n = 176) | 0.111*** | |||
0-2 | 74 | 42.1 | 51.3 (39.6-63.0) | |
≥ 3 | 102 | 57.9 | 39.2 (29.5-48.8) | |
Type of medical care (n = 163) | 0.637** | |||
SUS | 72 | 44.1 | 40.2 (28.6-51.8) | |
Private and Public-Private Partnership | 91 | 55.9 | 43.9 (33.5-54.3) | |
Diagnostic delay in months (n = 178) | 0.982*** | |||
0-3 | 46 | 25.9 | 45.6 (30.6-60.6) | |
≥ 4 | 132 | 74.1 | 45.4 (36.8-54.0) | |
Disease time in months (n = 185) | 0.681*** | |||
0-24 | 20 | 10.9 | 4.0 (16.4-63.5) | |
≥ 25 | 165 | 89.1 | 44.8 (37.1-52.5) | |
Current use of DMARDs (n = 168) | 0.724** | |||
No | 46 | 27.3 | 45.6 (30.6-60.6) | |
Yes | 122 | 72.7 | 42.6 (33.7-51.5) | |
Current use of biologicals (anti-TNF) (n = 172) | 0.162** | |||
No | 116 | 67.4 | 42.2 (33.1-51.3) | |
Yes | 56 | 32.6 | 53.5 (40.0-67.0) | |
HAQ score (n = 110) | 0.009*** | |||
0-1 | 45 | 41.0 | 62.2 (47.4-76.9) | |
1.1-3 | 65 | 59.0 | 36.9 (24.8-48.9) | |
Rheumatoid factor (n = 160) | 0.873** | |||
0-60 (normal or low titer) | 90 | 56.2 | 45.4 (35.0-56.0) | |
≥ 61 (high titers) | 70 | 43.8 | 44.2 (32.3-56.2) | |
Radiography of hands with joint erosion (n = 151) | 0.375** | |||
No | 62 | 41.0 | 50.0 (37.1-62.8) | |
Yes | 89 | 59.0 | 42.6 (32.2-53.1) | |