Table 1 Data quality, scaling assumptions and acceptability of the service user version of the TEQ
Psychometric property | 1:1 Care interactions | Care delivery | General Care interaction | Care delivery |
|---|---|---|---|---|
Data quality (n = 628) | ||||
No. of respondents missing data on 1 item only | 42 | 42 | 52 | 34 |
No. of respondents missing data on 2 items only | 21 | 13 | 26 | 9 |
No. of respondents missing data on 3 items or more | 8 | 2 | 16 | 2 |
No. of respondents with complete data | 454 | 496 | 510 | 575 |
Scaling assumptions | ||||
Item Mean Score Range | 1.68–1.99 | 1.65–2.03 | 1.72–2.18 | 1.75–1.98 |
Item SD Range | 0.86–0.97 | 0.81–0.97 | 0.83–0.99 | 0.83–0.91 |
Item Skewness Range | 0.66–1.22 | 0.65–1.51 | 0.44–1.14 | 0.62–1.09 |
Item correlation with Hypothesised Scale | 0.84–0.91 | 0.82–0.90 | 0.77–0.88 | 0.78–0.87 |
Acceptability | ||||
Total Possible Score Range | 11–44 | 9–36 | 12–48 | 8–32 |
Total Observed Score Range | 11–44 | 9–36 | 12–48 | 8–32 |
Mean Observed Score (SD) | 20.4 (9.0) | 15.6 (6.8) | 23.4 (9.1) | 14.7 (5.8) |
Floor/Ceiling Effecta | 30.3% | 29.2% | 16.5% | 19.5% |
Skewness | 0.85 | 1.22 | 0.72 | 0.89 |