Table 2.
Exploratory and confirmatory factor loadings of PEI-2 items for the cohort study participants (TFES and control combined)
| EFA | CFA | ||
|---|---|---|---|
| Factor loading | Factor loading | Variance explained | |
| PEI-2 items (N = 360)a | |||
| Able to cope with life | 0.7544 | 0.7446 | 0.5544 |
| Able to understand your illness | 0.7247 | 0.7219 | 0.5211 |
| Able to cope with your illness | 0.8898 | 0.8743 | 0.7645 |
| Able to keep yourself healthy | 0.8281 | 0.8172 | 0.6678 |
| Confident about your health | 0.7962 | 0.7840 | 0.6146 |
| Able to help yourself | 0.8347 | 0.8178 | 0.6687 |
| Overall KMO | 0.8761 | ||
| Chi-square test | 109.691 (P < 0.001) | ||
| P-value | <0.001* | ||
| RMSEA | 0.1768 | ||
| CFI | 0.9281 | ||
| TLI | 0.8802 | ||
| SRMR | 0.0397 |
KMO, Kaiser–Meyer–Olkin.
*Statistically significant.
aBaseline data collection period: TFES group (January 2012–September 2014); control group (January 2014–December 2016).