Table 2 Rasch analysis results
From: Cross-cultural validation of the Educational Needs Assessment Tool in RA in 7 European countries
| Â | Â | Item Fit Residual | Person Fit Residual | Chi Square Interaction | PSI | Â | Independent T-Tests (CI) | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Â | Analysis | Mean | SD | Mean | SD | Value (DF) | p | Â | N | Â |
UK | Analysis1 (initial) | 0.34 | 1.686 | -0.269 | 2.008 | 442.439 (351) | 0.000 | 0.972 | 119 | 0.218 (0.179-0.258) |
| Â | Analysis 2 (Subtest) | 0.541 | 0.699 | -0.308 | 1.168 | 7.116 (7) | 0.417 | 0.947 | 119 | 0.068 (0.028 - 0.107) |
The Netherlands | Analysis1 (initial) | 0.294 | 1.669 | -0.393 | 2.285 | 130.721 (78) | 0.000 | 0.967 | 163 | 0.215 (0.181 -0.249) |
| Â | Analysis 2 (Subtest) | 0.433 | 1.365 | -0.335 | 1.235 | 14.511 (14) | 0.412 | 0.944 | 153 | 0.042 (0.006 - 0.078) |
Finland | Analysis1 (initial) | 0.190 | 1.611 | -0.347 | 2.195 | 94.144 (39) | 0.000 | 0.961 | 133 | 0.215 (0.178 - 0.253) |
| Â | Analysis 2 (Subtest) | 0.333 | 1.037 | -0.364 | 1.342 | 14.977 (14) | 0.380 | 0.900 | 130 | 0.078 (0.040 - 0.116) |
Norway | Analysis1 (initial) | 0.171 | 1.438 | -0.393 | 2.025 | 73.617 (39) | 0.001 | 0.965 | 133 | 0.235 (0.198-0.272) |
| Â | Analysis 2 (Subtest) | 0.542 | 0.873 | -0.357 | 1.150 | 6.053 (7) | 0.534 | 0.919 | 131 | 0.056 (0.018-0.094) |
Portugal | Analysis1 (initial) | 0.426 | 1.355 | -0.515 | 2.624 | 56.025 (39) | 0.038 | 0.985 | 114 | 0.211 (0.171-0.251) |
| Â | Analysis 2 (Subtest) | 0.309 | 0.901 | -0.449 | 1.337 | 2.625 (7) | 0.917 | 0.975 | 114 | 0.105 (0.065 - 0.145) |
Spain | Analysis1 (initial) | 0.610 | 2.531 | -0.351 | 2.485 | 781.797 (351) | 0.000 | 0.981 | 187 | 0.214 (0.183 - 0.245) |
| Â | Analysis 2 (Subtest) | 0.544 | 0.854 | -0.375 | 1.293 | 17.450 (14) | 0.233 | 0.963 | 186 | 0.022 (-0.010 - 0.053) |
Sweden | Analysis1 (initial) | 0.307 | 1.377 | -0.248 | 2.032 | 93.612 (39) | 0.000 | 0.972 | 119 | 0.303 (0.263 - 0.342) |
| Â | Analysis 2 (Subtest) | 0.406 | 0.941 | -0.322 | 1.146 | 5.409 (7) | 0.610 | 0.944 | 118 | 0.061 (0.021 - 0.101) |
Pooled | Analysis1 (initial) | 1.018 | 4.014 | -0.552 | 2.554 | 977.055 (351) | 0.000 | 0.976 | 968 | 0.185 (0.171 - 0.198) |
| Â | Analysis 2 (Subtest) | 0.847 | 1.475 | -0.466 | 1.381 | 71.909 (63) | 0.207 | 0.951 | 951 | 0.048 (0.034 - 0.063) |
Expected values for a perfect model fit | 0 | 1 | 0 | 1 | Â | > 0.05 | > 0.85 | Â | 0.05 (or Lower CI <0.05) | |