Table 3 Data quality, scaling assumptions, acceptability, and reliability of MSRMS
Psychometric Property | Access to care (6 items) | Information (7 items) | Coordination of care (11 items) | Interpersonal care (18 items) |
|---|---|---|---|---|
Data quality | Â | Â | Â | Â |
Item missing data % | 0-2.3 | 0-1.5 | 0-3.8 | 0 |
Computable scale scores % | 100 | 99 | 100 | 100 |
Scaling assumptions | Â | Â | Â | Â |
Item mean scores | 1.2-1.8 | 1.1-2.5 | 1.1-1.7 | 1.1-1.8 |
Item SD | 0.59-0.91 | 0.41-1.0 | 0.22-0.88 | 0.30-1.11 |
Item-total correlation | 0.42-0.70 | 0.21-0.79 | 0.00-0.57 | 0.26-0.63 |
Targeting | Â | Â | Â | Â |
Scale range | 0-100 | 0-100 | 0-100 | 0-100 |
Score range | 0-88.9 | 0-83.3 | 0-39.4 | 0-51.0 |
Mean score (SD) | 17.9 (19.7) | 30.6 (21.2) | 9.9 (9.8) | 9.2 (10.1) |
Floor/ceiling effect % | 21.2/0 | 10.8/0 | 20.5/0 | 28.0/0 |
Reliability | Â | Â | Â | Â |
Cronbach's alpha | 0.80 | 0.87 | 0.73 | 0.84 |
SEM2 | 3.94 | 2.76 | 2.65 | 1.61 |