| Mean rank | P value |
---|---|---|
Morning stiffness | ||
 Current users vs past users | 35.00 vs 46.00 | p < 0.05 |
 Past users vs non-users | 33.00 vs 45.50 | p < 0.05 |
 Current users vs non-users | 30.00 vs 51.00 | p < 0.001 |
Arthritis | ||
 Current users vs past users | 36.50 vs 44.50 | p = 0.072 |
 Past users vs non-users | 35.50 vs 44.50 | p < 0.05 |
 Current users vs non-users | 32.50 vs 48.50 | p < 0.001 |
Extra-articular manifestations | ||
 Current users vs past users | 40.00 vs 41.00 | p = 0.823 |
 Past users vs non-users | 39.00 vs 42.00 | p = 0.504 |
 Current users vs non-users | 39.50 vs 41.50 | p = 0.656 |