Table 3.
Tests of reliability and construct validity of the UPC-Q
| Reliability and construct validity | Psychiatric inpatients | Hospital inpatients | GP patients |
|---|---|---|---|
| UPC-Q score, mean (SD) | 75.3 (23.2) | 78.4 (21.6) | 75.2 (22.0) |
| Reliability UPC-Q | |||
| Cronbach’s alpha | 0.76 | 0.74 | 0.78 |
| Item-total (min, max) | 0.55, 0.64 | 0.51, 0.61 | 0.61, 0.64 |
| Construct validity – correlations with UPC-Q* | |||
| Psychiatric patients | |||
| Global experience item, UPC-Q | 0.80 (<0.01) | – | – |
| Structure and facilities | 0.72 (<0.01) | – | – |
| Patient-centered interaction | 0.65 (<0.01) | – | – |
| Outcomes | 0.63 (<0.01) | – | – |
| Self-perceived general condition today | 0.29 (<0.05) | – | – |
| Hospital patients | |||
| Global experience item, UPC-Q | – | 0.69 (<0.01) | – |
| Overall satisfaction | – | 0.60 (<0.01) | – |
| Benefit of treatment | – | 0.48 (<0.01) | – |
| Doctor services | – | 0.52 (<0.01) | – |
| Nursing services | – | 0.51 (<0.01) | – |
| Information | – | 0.53 (<0.01) | – |
| Contact with next of kin | – | 0.45 (<0.01) | – |
| Standard | – | 0.49 (<0.01) | – |
| Organization | – | 0.53 (<0.01) | – |
| Discharge information | – | 0.40 (<0.01) | – |
| Cooperation with other health services | – | 0.42 (<0.01) | – |
| Safety incidents | – | 0.52 (<0.01) | – |
| Waiting time (elective patients) | – | 0.36 (<0.01) | – |
| Self-perceived health | – | –0.29 (<0.01) | – |
| GP patients | |||
| Global experience item, UPC-Q | – | – | 0.72 (<0.01) |
| Self-perceived health | – | – | 0.01 (ns) |
Notes:
*
Construct validity data are presented as correlations (Pearson’s r).
Abbreviations: –, not relevant; GP, general practitioner; max, maximum; min, minimum; ns, not significant; SD, standard deviation; UPC-Q, Universal Patient Centeredness Questionnaire.