Table 1 Participant characteristics at T11 and T32 (n = 114)
Characteristic | Value Entry (T1) | Value Follow-up (T3) |
|---|---|---|
Female, n (%) | 78 (68.4) | Unchanged |
Age (years), mean (SD3) | 62.8 (8.3) | 72.0 (7.7) |
Follow-up (years), mean (SD) | n.a | 9.2 (3.5) |
Education, n (valid %) | ||
Basic school (9 years) | 38 (33.3) | Unchanged |
Middle school (10 years) | 44 (38.9) | Unchanged |
High school (> = 12 years) | 12 (10.6) | Unchanged |
University/ Technical college | 18 (15.9) | Unchanged |
Co-morbidities, n (valid %) | ||
None | 24 (21.1) | 20 (17.5) |
1 | 43 (37.7) | 30 (26.3) |
2 | 27 (23.7) | 24 (21.1) |
3 | 11 (9.6) | 23 (20.2) |
≥ 4 | 2 (1.8) | 17 (14.9) |
Spine surgery after T1, n (valid %) | n.a | 11 (9.6) |
Depression (HADS4) | ||
Mean (SD) | 5.15 (3.1) | 5.49 (4.0) |
doubtful/case of depression, n (valid %) | 11/7 (10.7/6.8) | 20/11 (19.4/10.7) |
Anxiety (HADS4) | ||
Mean (SD) | 6.24 (3.48) | 6.45 (3.60) |
doubtful/case of anxiety, n (valid %) | 24/12 (23.3/11.7) | 23/14 (22.3/13.6) |