Table 3.
Demographic characteristics of the patients included in the construct validity study.
| N = 100 | |
|---|---|
| Gender (male) (%) | 25 (25.0) |
| Age | 52.6 (14.5) |
| Mean (SD) | |
| Duration of neck pain in weeks | |
| Median (IQR) Acute/subacute |
18.0 (8.0–100.0) 45 (45.0) |
| Chronic | 55 (55.0) |
| Prior history with neck pain (yes) (%) | 79 (79.0) |
| Ability to work despite neck pain: | |
| No, completely unable | 1 (1.0) |
| No, but I do not work at all | 22 (22.0) |
| Yes, it’s possible to perform my ordinary work activities | 60 (60.0) |
| Yes, but I have to adjust my work | 17 (17.0) |
| NDI baseline score Mean (SD) |
12.1 (6.1) |
| NDI baseline score percentage Mean (SD) |
24.1 (12.2) |
| Initial pain (NRS) Mean (SD) |
4.7 (2.4) |
| PSFS 2.0 total score Median (IQR) |
4.5 (3.3–6.0) |
Abbreviations: NDI; Neck Disability Index, NRS; Numeric Rating Scale, IQR; Inter quartile range, SD: Standard deviation.