Table 6.
Predictor variables for back pain (wave 2)
| Variable | Absolute frequency, n (%)
|
|||||
|---|---|---|---|---|---|---|
| Nevera | Seldom/very little | Sometimes | Often | Always/very much | Missing | |
| Dysfunctional stress coping strategies | 506 (24.8) | 1,015 (49.8) | 419 (20.5) | 63 (3.1) | 2 (0.1) | 35 (1.7) |
| Pain catastrophizingb | 181 (8.9) | 458 (22.5) | 90 (4.4) | 12 (0.6) | – | 1,299 (63.6) |
| Anxiety sensitivity | 1,421 (69.6) | 559 (27.4) | 48 (2.4) | 4 (0.2) | 2 (0.1) | 6 (0.3) |
| Somatosensory amplification | 675 (33.1) | 1138 (55.8) | 209 (10.2) | 10 (0.5) | 2 (0.1) | 6 (0.3) |
Notes:
a
Reference categories of items in regression analyses;
b
the pain catastrophizing items were only answered by children aged 11 years or older.