Table 3 Internal validity
From: Validation of the generic medical interview satisfaction scale: the G-MISS questionnaire
Dimensions | Mean ± SD | IIC | IDV | Alpha | INFIT |
|---|---|---|---|---|---|
Global population (n = 1822) | |||||
Relief (8) | 80.0 ± 13.8 | 0.50–0.77 | 0.11–0.37 | 0.86 | 0.59–1.18 |
Communication (6) | 76.3 ± 13.4 | 0.42–0.61 | 0.14–0.39 | 0.73 | 0.70–0.92 |
Compliance (2) | 76.5 ± 19.5 | 0.72–0.72 | 0.18–0.26 | 0.84 | 0.50–0.51 |
Index (16) | 78.2 ± 11.1 | NA | NA | 0.85 | NA |
General practice (n = 505) | |||||
Relief (8) | 73.2 ± 16.7 | 0.58–0.61 | 0.18–0.36 | 0.89 | 0.56–1.16 |
Communication (6) | 74.6 ± 13.3 | 0.42–0.61 | 0.14–0.36 | 0.74 | 0.66–0.98 |
Compliance (2) | 76.5 ± 16.9 | 0.64–0.64 | 0.22–0.31 | 0.78 | 0.48–0.48 |
Index (16) | 74.1 ± 12.1 | NA | NA | 0.86 | NA |
Medical specialties (n = 615) | |||||
Relief (8) | 82.1 ± 12.4 | 0.38–0.74 | 0.06–0.37 | 0.82 | 0.57–1.21 |
Communication (6) | 77.6 ± 13.2 | 0.40–0.53 | 0.05–0.43 | 0.71 | 0.71–0.95 |
Compliance (2) | 76.0 ± 21.2 | 0.75–0.75 | 0.20–0.23 | 0.86 | 0.52–0.53 |
Index (16) | 79.7 ± 10.4 | NA | NA | 0.82 | NA |
Surgical specialties (n = 702) | |||||
Relief (8) | 83.1 ± 10.9 | 0.41–0.66 | 0.10–0.39 | 0.81 | 0.66–1.13 |
Communication (6) | 76.4 ± 13.6 | 0.47–0.58 | 0.15–0.44 | 0.75 | 0.72–0.91 |
Compliance (2) | 76.5 ± 19.7 | 0.75–0.75 | 0.19–0.28 | 0.86 | 0.50–0.51 |
Index (16) | 78.2 ± 11.1 | NA | NA | 0.84 | NA |