Table 5 Exploratory factors loadings and explained variance after rotation for the PHQ-9 items
Factors | Rotation Sums of Squared Loadings | |||||
|---|---|---|---|---|---|---|
Factor Loadings | Eigen Values | % of Variance | Cumulative % | Cronbach’s Alpha | ||
Factor 1 | PHQ-1 | 0.611 | 3.456 | 38.394 | 38.394 | 0.749 |
PHQ-2 | 0.573 | |||||
PHQ-6 | 0.722 | |||||
PHQ-7 | 0.557 | |||||
PHQ-8 | 0.542 | |||||
PHQ-9 | 0.708 | |||||
Factor 2 | PHQ-3 | 0.689 | 1.006 | 11.173 | 49.567 | 0.615 |
PHQ-4 | 0.823 | |||||
PHQ-5 | 0.623 | |||||