Table 3.
Confirmatory factor analysis and measurement equivalence of KAB theory in medication administration errors in ICU questionnaire across Italian nurses (1) and Iranian nurses (2): 1 vs. 2.
| Scale | χ2 | CFI | TLI | RMSEA | SRMR | Wald Test | Δχ2 | Δgl | p |
|---|---|---|---|---|---|---|---|---|---|
| Knowledge | |||||||||
| Configural invariance | 39.552 (p = 0.07) 14.285 vs. 25.464 |
0.939 | 0.909 | 0.094 (0.00–0.158) |
0.072 | 14.285 df: 7—p < 0.05 |
- | - | - |
| Metric invariance | 52.999 (p = 0.02) 25.324 vs. 27.675 |
0.906 | 0.887 | 0.105 (0.037–0.160) |
0.177 | 52.514 df: 7—p < 0.001 |
13.447 | 7 | 0.06 |
| Scalar invariance | 96.745 (p < 0.001) 57.252 vs. 39.493 |
0.713 | 0.713 | 0.167 (0.124–0.211) |
0.235 | 64.977 df: 7—p < 0.001 |
43.746 | p < 0.001 | |
| Strict invariance | 192.964 (p < 0.001) 56.377 vs. 136.588 |
0.244 | 0.352 | 0.251 (0.251–2.89) |
0.546 | - | 96.219 | 7 | p < 0.001 |
| Attitude | |||||||||
| Configural invariance | 79.116 (p < 0.001) 40.594 vs. 38.522 |
0.904 | 0.856 | 0.079 (0.059–0.100) |
0.044 | 59.294 df: 7—p < 0.001 |
- | - | - |
| Metric invariance | 154.199 (p < 0.001) 48.802 vs. 105–397 |
0.776 | 0.731 | 0.108 (0.91–0.126) |
0.235 | 10.674 df: 7—p = 0.15 |
75.083 | 7 | p < 0.001 |
| Scalar invariance | 96.745 (p < 0.001) 57.252 vs. 39.439 |
0.713 | 0.713 | 0.167 (0.124–0.211) |
0.235 | 64.977 df: 7—p = 0.15 |
57.454 | 7 | p < 0.001 |
| Strict invariance | 164.546 (p < 0.001) 49.798 vs. 114.748 |
0.769 | 0.769 | 0.100 (−084–0.116) |
0.245 | - | 67.802 | 7 | p < 0.001 |
| Behaviour | |||||||||
| Configural invariance | 17.519 (p = 0.06) 9.409 vs. 8.110 |
0.979 | 0.958 | 0.127 (0.00–0.224) |
0.033 | 0.727 df: 5—p = 0.98 |
- | - | - |
| Metric invariance | 18.251 (p < 0.05) 9.811 vs. 8.439 |
0.991 | 0.988 | 0.068 (0.00–0.162) |
0.064 | 19.926 df: 5—p = 0.0013 |
0.732 | 5 | 0.98 |
| Scalar invariance | 36.726 (p = 0.0126) 22.353 vs. 14.373 |
0.954 | 0.954 | 0.134 (0.061–0.202) |
0.126 | 26.809 df: 5—p < 0.001 |
18.475 | 5 | p < 0.001 |
| Strict invariance | 76.680 (p < 0.001) 27.637 vs. 49.043 |
0.853 | 0.886 | 0.211 (0.158–0.265) |
0.453 | - | 39.954 | 5 | p < 0.001 |