Table 3 Correlations of the neck disability index with pain intensity, pain on movement, health-related quality of life, and range of motion (in a subsample of n = 49)
From: Validation of the German version of the Neck Disability Index (NDI)
Variable | Neck disability index | |
|---|---|---|
Spearman’s ρ | p | |
Pain intensity | 0.22 | <0.01 |
Pain on movement | 0.39 | <0.01 |
Health-related quality of life (SF-36) | ||
Physical functioning | -0.40 | <0.01 |
Physical role functioning | -0.45 | <0.01 |
Bodily pain | -0.44 | <0.01 |
General health perceptions | -0.40 | <0.01 |
Vitality | -0.45 | <0.01 |
Social functioning | -0.42 | <0.01 |
Emotional role functioning | -0.30 | <0.01 |
Mental health | -0.36 | <0.01 |
Physical component score | -0.43 | <0.01 |
Mental component score | -0.32 | <0.01 |
Range of motion (n = 49) | -0.34 | 0.02 |