Test Statistic | Criteria for Good Model Fit | PainCQ-I© (n=846) | PainCQ-N© (n=846) |
---|---|---|---|
Number of items | 6 | 15 | |
Chi-square (df) | 21.49 (8) | 372.79 (83) | |
P value for chi-square | <0.05 | 0.006 | <0.001 |
Chi-square ratio | χ2/df (<3) | 2.69 | 4.48 |
Comparative fit index | ≥0.95 | 0.99 | 0.95 |
Goodness-of-fit index | ≥0.95 | 0.99 | 0.94 |
Standardized root mean square residual | ≤0.08 | 0.023 | 0.050 |
Root mean square error of approximation | ≤0.08 | 0.045 | 0.065 |
Note: Missing data replaced with subscale mean to facilitate complete dataset for confirmatory factor analysis.
df, degrees of freedom; PainCQ-I©, Pain Care Quality-Interdisciplinary; PainCQ-N©, Pain Care Quality-Nursing.