Table 3. Main component matrix with varimax rotation forced to two factors (anxiety/stress and depression) and correlation matrix of depression anxiety and stress, in accord with Depression Anxiety and Stress Scale-21.
Item | Factor Loading | Correlation | ||
---|---|---|---|---|
|
|
|||
Anxiety/stress | Depression | Anxiety/stress | Depression | |
S18 | 0.64 | 0.60 | 0.40 | |
S11 | 0.63 | 0.61 | 0.39 | |
S14 | 0.63 | 0.59 | 0.38 | |
A09 | 0.62 | 0.60 | 0.37 | |
A20 | 0.62 | 0.59 | 0.43 | |
A07 | 0.60 | 0.47 | 0.22 | |
S06 | 0.59 | 0.54 | 0.35 | |
S12 | 0.58 | 0.61 | 0.40 | |
A15 | 0.57 | 0.53 | 0.41 | |
S08 | 0.57 | 0.50 | 0.25 | |
A19 | 0.57 | 0.62 | 0.31 | |
S01 | 0.53 | 0.61 | 0.32 | |
A04 | 0.49 | 0.57 | 0.28 | |
A02 | 0.47 | 0.46 | 0.23 | |
D17 | 0.77 | 0.44 | 0.70 | |
D21 | 0.77 | 0.46 | 0.75 | |
D10 | 0.71 | 0.35 | 0.69 | |
D03 | 0.62 | 0.27 | 0.61 | |
D13 | 0.58 | 0.36 | 0.56 | |
D05 | 0.57 | 0.60 | 0.71 | |
D16 | 0.52 | 0.39 | 0.62 | |
% Explained variance (total: 40.44) | 30.92 | 9.52 |
A: anxiety items; D: depression items; S: stress items.
Kaiser-Meyer-Olkin measure of sampling adequacy: 0.885; Bartlett’s test of sphericity (approximate χ2): p=0.000 2106.950.