Table 1 Demographic characteristic of the sample
From: Agreement between original and Rasch-approved neck disability index
Male (N = 43) | Female (N = 158) | Total (N = 201) | Median (IQR) | ||||
|---|---|---|---|---|---|---|---|
Mean (SD) | Range, min-max | Mean (SD) | Range, min-max | Mean (SD) | Range, min-max | ||
Age, year | 49.2 (12.2) | 19–74 | 45.7 (12.8) | 19–74 | 46.5 (12.8) | 19–74 | NA |
Pain intensity | 2.0 (1.4) | 0–5 | 2.1 (1.2) | 0–5 | 2.1 (1.3) | 0–5 | NA |
NDI-10 | 14.6 (10.7) | 2–44 | 17.0 (9.8) | 0–41 | 16.4 (10.0) | 0–44 | 15.0 (14.0) |
NDI-8 | 17.8 (7.0) | 0–33 | 19.0 (6.0) | 0–31.5 | 18.4 (6.2) | 0–32.3 | 19.2 (8.2) |
NDI-5 | 20.1 (8.3) | 0–35 | 21.2 (7.6) | 0–33 | 21.0 (7.8) | 0–35.0 | 22.0 (11.0) |