Table 2.
Work productivity of patients with axSpA according to work status, disease activity (ASDAS/BASDAI), functional ability (BASFI)
| Hours worked per week mean (± SD) |
Hours missed per week due to axSpA mean (± SD) |
Hours missed per week due to other reasons mean (± SD) |
Activity impairment due to axSpA% mean (± SD) |
Absenteeism mean% (± SD) |
Presenteeism mean% (± SD) |
WPL mean% (± SD) |
|
|---|---|---|---|---|---|---|---|
| Work status | |||||||
| Paid work | 35.7 (± 12.9) | 3.4 (± 6.8) | 2.1 (± 3.5) | 4.1 (± 2.8) | 7.9 (± 14.0) | 32.6 (± 31.2)* | 36.6 (± 30.0) |
| - Employed | 33.8 (± 9.4) | 3.6 (± 7.4) | 2.4 (± 3.8) | 4.2 (± 2.9) | |||
| - Self employed | 43.6 (± 21.4) | 2.6 (± 3.3) | 1.0 (± 1.7) | 3.4 (± 2.4) | |||
| Other daily activities | 27.6 (± 12.4) | 4.3 (± 9.4) | 0.6 (± 1.5) | 4.6 (± 3.5) | 8.3 (± 13.9) | 18.6 (± 28.8)* | 25.6 (± 28.5) |
| - Domestic work | 29.1 (± 10.9) | 6.4 (± 13.8) | 0.8 (± 2.1) | 6.1 (± 3.7) | |||
| - Studying | 29.0 (± 13.0) | 3.7 (± 6.7) | 0.4 (± 0.9) | 3.6 (± 3.4) | |||
| - Voluntary work | 6.0 (0) | - | 3.0 (0) | 0.5 (± 0.7) | |||
| - Taking care of family members | 14.7 (± 9.5) | 1.0 (± 1.7) | - | 4.3 (± 2.9) | |||
| ASDAS score (disease activity) | |||||||
| < 1.3 (inactive) | 41.4 (± 9.6) | 0.8 (± 2.1) | 2.8 (± 4.7) | 2.6 (± 2.8) | 1.7 (± 4.0)* | 14.5 (± 21.1) | 15.3 (± 22.2)* |
| 1.3–2.1 (moderate) | 33.5 (± 18.9) | 3.0 (± 6.4) | 1.7 (± 3.1) | 2.9 (± 2.7)* | 5.7 (± 10.0)* | 20.9 (± 25.1) | 26.3 (± 23.0)* |
| 2.1 − 3.5 (high) | 36.9 (± 13.5) | 3.3 (± 5.4) | 1.2 (± 2.2) | 5.2 (± 2.6)* | 7.3 (± 10.9)* | 32.2 (± 31.2) | 36.9 (± 30.1)* |
| ≥ 3.5 (very high) | 31.2 (± 10.2) | 16.0 (± 16.7) | - | 7.0 (± 3.7) | 29.2 (± 24.6)* | 55.0 (± 44.6) | 68.3 (± 28.8)* |
| BASDAI score (disease activity) | |||||||
| < 4 (low) | 37.6 (± 14.9) | 2.3 (± 5.0) | 1.9 (± 3.7) | 2.5 (± 2.5)*** | 4.4 (± 8.3) | 17.4 (± 24.0)* | 20.5 (± 24.4)* |
| ≥ 4 (high) | 35.5 (± 13.1) | 5.8 (± 10.2) | 1.2 (± 2.3) | 5.8 (± 2.8)*** | 11.5 (± 17.0) | 37.9 (± 34.1)* | 44.5 (± 30.9)* |
| BASFI score (physical function) | |||||||
| < 2.5 (low) | 35.9 (± 13.5) | 2.2 (± 4.4)* | 1.8 (± 3.3) | 3.6 (± 2.9)*** | 4.8 (± 8.5)* | 21.3 (± 26.2)** | 24.8 (± 26.3)** |
| ≥ 2.5 (high) | 38.2 (± 15.3) | 10.8 (± 13.8)* | 0.7 (± 2.0) | 6.9 (± 2.6)*** | 19.6 (± 21.8)* | 52.5 (± 36.2)** | 62.5 (± 24.7)** |
axSpA axial spondyloarthritis, ASDAS Ankylosing Spondylitis Disease Activity Score, BASDAI Bath Ankylosing Spondylitis Disease Activity Index, BASFI Bath Ankylosing Spondylitis Functional Index; *p < 0.05; **p < 0.01; ***p < 0.001