Table 2 Reliability of PROMIS-29 v. 1.0 scales
From: Estimating individual health-related quality of life changes in low back pain patients
Scale | Internal Consistency Reliability in Overall Sample (n = 749) | ICC for Usual Medical Care Group | ICC for stable subgroup in Usual Medical Care Group |
|---|---|---|---|
Physical function | 0.898 | 0.482 (.451) | 0.745 (.731) |
Pain interference | 0.936 | 0.362 (.331) | 0.640 (.614) |
Pain intensity | 0.681a | 0.400 (.382) | 0.679 (.681) |
Fatigue | 0.935 | 0.619 (.612) | 0.620 (.619) |
Sleep Disturbance | 0.820 | 0.620 (.609) | 0.709 (.706) |
Depression | 0.891 | 0.649 (.650) | 0.684 (.673) |
Anxiety | 0.880 | 0.582 (.575) | 0.626 (.628) |
Satisfaction with participation in social roles | 0.964 | 0.420 (.415) | 0.550 (.552) |
Pain composite | 0.874b | 0.359 (.331) | 0.687 (.680) |
Emotional distress composite | 0.930b | 0.647 (.646) | 0.704 (.704) |
Physical health summary | 0.924b | 0.483 (.452) | 0.765 (.753) |
Mental Health summary | 0.969b | 0.619 (.603) | 0.741 (.742) |