Demographic characteristics of the total group of AS patients in the study
| Characteristics | Total group (n=142) |
|---|---|
| Male (%) | 68.3 |
| Mean (SD) age (years) | 48.5 (12.3) |
| Age ≥65 years (%) | 9.7 |
| Mean (SD) disease duration (diagnosis) (years) | 14.9 (9.3) |
| Education ≥12 years (%) | 19.1 |
| Married/living with partner (%) | 78.8 |
| Mean (SD) number of children | 1.3 (1.3) |
| Work status (n=135) (%) | |
| Working (part-time) | 52.6 (36.4) |
| Work with partial disability | 21.2 |
| Work disability, no work | 27.4 |
| Retired (age) | 10.4 |
| Housekeeper | 5.9 |
| Unemployed | 0.7 |
| Other reason no job | 3.0 |
| Job type (if paid work) | |
| Manual profession (%) | 32.4 |
| Mean (SD) hours/week working (if paid work) | 16.9 (17.3), (31.5) (10.2) |
| Mean (SD) BASFI | 3.9 (2.4) |
| Mean (SD) BASDAI | 3.7 (2.2) |
| Mean (SD) mSASSS (n=122) | 14.4 (18.9) |
| NSAID (% taking an NSAID at least once weekly) | 76 |
| Non-biological DMARD (% taking DMARD) | 10 |
AS, ankylosing spondylitis; BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; BASFI, Bath Ankylosing Spondylitis Functional Index; DMARD, disease-modifying antirheumatic drug; mSASSS, modified Stokes AS Spinal Score; NSAID, non-steroidal anti-inflammatory drug.