Characteristics | N Total | Â |
---|---|---|
Age in years, median (IQR) | 600 | 37 (31–41) |
Female, n (%) | 600 | 325 (54) |
Neck pain intensitya, median (IQR) | 598 | 2 (0–5) |
Moderate or severe neck painb, n (%) | 598 | 183 (31) |
Neck Disability Index (NDI)c, median (IQR) | 464 | 26 (14–37) |
Moderate or severe neck disabilityd, n (%) | 464 | 274 (59) |
NDI headache item | 464 | Â |
0: No headaches at all, n (%) | Â | 80 (17) |
1: Mild headaches that come infrequently, n (%) | Â | 100 (22) |
2: Moderate headaches that come infrequently, n (%) | Â | 91 (20) |
3: Moderate headaches that come frequently, n (%) | Â | 141 (30) |
4: Severe headaches that come frequently, n (%) | Â | 33 (7) |
5: Headaches almost all the time, n (%) | Â | 19 (4) |
Headache dichotomisede, n (%) | 464 | 193 (42) |