Table 3.
Predictor variables for headache (wave 2)
| Variable | Absolute frequency, n (%)
|
|||||
|---|---|---|---|---|---|---|
| Nevera | Seldom/very little | Sometimes | Often | Always/very much | Missing | |
| Dysfunctional stress coping strategies | 416 (25.0) | 836 (50.2) | 327 (19.6) | 55 (3.3) | 1 (0.1) | 30 (1.8) |
| Pain catastrophizingb | 126 (7.6) | 259 (15.6) | 51 (3.1) | 2 (0.1) | – | 1,227 (73.6) |
| Anxiety sensitivity | 1,197 (71.8) | 426 (25.6) | 30 (1.8) | 3 (0.2) | 1 (0.1) | 8 (0.5) |
| Somatosensory amplification | 602 (36.2) | 894 (53.6) | 152 (9.1) | 6 (0.4) | 3 (0.2) | 8 (0.5) |
Notes:
a
Reference categories of items in regression analyses;
b
the pain catastrophizing items were only answered by children aged 11 years or older.