Table 6.
Categorisation of all symptoms included in the questionnaires.
| Engagement | Body region | Symptom | Correspondence* | Questionnaire |
| Bodily | Neck only | Pain | X | BQ, NDI, NPDS, NPQ, PFM, PSFS |
| Neck-shoulder | Pain | X | CNPQ, CSOQ, EABPS, SNQ | |
| Other neck symptoms | Stiffness | 1 | NPDS, PFM | |
| Tension, cracking, tiredness, weakness, locking | 2–6 | PFM | ||
| Rest of the body | Symptoms in arm/hand | 7 | CNPQ, CSOQ, EABPS, NPQ, PFM, SNQ | |
| Headache | 8 | CSOQ, EABPS, NDI | ||
| Jaw trouble | 9 | PFM | ||
| Difficulty swallowing | 10 | CSOQ, PFM | ||
| Difficulty breathing | - | PFM | ||
| General | Sleeping difficulties | - | CSOQ, EABPS, NDI, NPDS, NPQ, PFM | |
| Feeling low in energy/sluggish | 11 | CSOQ | ||
| Dizziness or balance disturbance | 12 | PFM | ||
| Feeling sickly/unwell/indisposed | 13 | CSOQ, PFM | ||
| Mental/Cognitive | Difficulty concentrating/thinking clearly | 14 | BQ, NDI, NPDS, PFM | |
| Sensitivity to light/sound | 15 | PFM | ||
| Emotional | Affected emotions | x | NPDS | |
| Depression, hopelessness | 16 | BQ, CSOQ, NPDS, PFM | ||
| Anxiety, tenseness | - | BQ, CSOQ, PFM | ||
| Irritability, short temper | 17 | BQ, PFM | ||
| Worry about physical health | - | CNPQ, CSOQ | ||
* See corresponding numbers in table 2 to compare with symptoms expressed by the interviewees. (x denotes unspecified symptoms which are present in both table 2 and 6, -denotes symptoms not expressed by the interviewees).